WordNet
- of a later stage in the development of a language or literature; used especially of dead languages; "Late Greek"
- later than usual or than expected; "the train arrived late"; "we awoke late"; "the children came late to school"; "notice came so tardily that we almost missed the deadline"; "I belatedly wished her a happy birthday" (同)belatedly, tardily
- at or toward an end or late period or stage of development; "the late phase of feudalism"; "a later symptom of the disease"; "later medical science could have saved the child" (同)later
- of the immediate past or just previous to the present time; "a late development"; "their late quarrel"; "his recent trip to Africa"; "in recent months"; "a recent issue of the journal" (同)recent
- at an advanced age or stage; "she married late"; "undertook the project late in her career"
- being or occurring at an advanced period of time or after a usual or expected time; "late evening"; "late 18th century"; "a late movie"; "took a late flight"; "had a late breakfast"
- having died recently; "her late husband"
- potentially existing but not presently evident or realized; "a latent fingerprint"; "latent talent"
- (pathology) not presently active; "latent infection"; "latent diabetes"
- a common venereal disease caused by the treponema pallidum spirochete; symptoms change through progressive stages; can be congenital (transmitted through the placenta) (同)syph, pox, lues venerea, lues
PrepTutorEJDIC
- (定刻・通常・予定の時間より)『遅れた』,遅い / (時刻が)『遅い』,遅く始まる,遅くまで続く;夜更けの / (時期が)『遅い』,終りごろの,後期の / 『最近の』,最新の(recent) / 《the~,one's~》『前の』,先の,前任の(former) / 《the~,one's~》『故』…,つい先ごろ死んだ / (定刻などより)『遅れて』,遅く / (時刻が)『遅く』,遅くまで,(特に)夜更けに;(時期が)遅く,終りごろに / 『最近』,近ごろ(recently)
- 潜在(潜伏)している,隠れている
- 梅毒
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2017/09/13 16:10:07」(JST)
wiki en
| Syphilis | |
|---|---|
| Electron micrograph of Treponema pallidum | |
| Specialty | Infectious disease |
| Symptoms | Firm, painless, non-itchy skin ulcer[1] |
| Causes | Treponema pallidum usually spread by sex[1] |
| Diagnostic method | Blood tests[1] |
| Similar conditions | Many other diseases[1] |
| Prevention | Condoms, not having sex[1] |
| Treatment | Antibiotics[2] |
| Frequency | 45.4 million / 0.6% (2015)[3] |
| Deaths | 107,000 (2015)[4] |
|
[edit on Wikidata]
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Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum subspecies pallidum.[2] The signs and symptoms of syphilis vary depending in which of the four stages it presents (primary, secondary, latent, and tertiary). The primary stage classically presents with a single chancre (a firm, painless, non-itchy skin ulceration) but there may be multiple sores. In secondary syphilis a diffuse rash occurs, which frequently involves the palms of the hands and soles of the feet. There may also be sores in the mouth or vagina. In latent syphilis, which can last for years, there are few or no symptoms.[1] In tertiary syphilis there are gummas (soft non-cancerous growths), neurological, or heart symptoms.[5] Syphilis has been known as "the great imitator" as it may cause symptoms similar to many other diseases.[1][5]
Syphilis is most commonly spread through sexual activity.[1] It may also be transmitted from mother to baby during pregnancy or at birth, resulting in congenital syphilis.[1][6] Other human diseases caused by related Treponema pallidum subspecies include yaws (subspecies pertenue), pinta (subspecies carateum), and bejel (subspecies endemicum).[5] Diagnosis is usually made by using blood tests; the bacteria can also be detected using dark field microscopy. The Center for Disease Control recommends all pregnant women be tested.[1]
The risk of sexual transmission of syphilis can be reduced by using a latex condom.[1] Syphilis can be effectively treated with antibiotics. The preferred antibiotic for most cases is benzathine penicillin G injected into a muscle. In those who have a severe penicillin allergy, doxycycline or tetracycline may be used. In those with neurosyphilis, intravenous penicillin G potassium or ceftriaxone is recommended. During treatment people may develop fever, headache, and muscle pains, a reaction known as Jarisch-Herxheimer.[2]
In 2015, about 45.4 million people were infected with syphilis,[3] with 6 million new cases.[7] During 2015, it caused about 107,000 deaths, down from 202,000 in 1990.[8][4] After decreasing dramatically with the availability of penicillin in the 1940s, rates of infection have increased since the turn of the millennium in many countries, often in combination with human immunodeficiency virus (HIV).[5][9] This is believed to be partly due to increased promiscuity, prostitution, decreasing use of condoms, and unsafe sexual practices among men who have sex with men.[10][11][12] In 2015, Cuba became the first country in the world to eliminate mother-to-child transmission of syphilis.[13]
Contents
- 1 Signs and symptoms
- 1.1 Primary
- 1.2 Secondary
- 1.3 Latent
- 1.4 Tertiary
- 1.5 Congenital
- 2 Cause
- 2.1 Bacteriology
- 2.2 Transmission
- 3 Diagnosis
- 3.1 Blood tests
- 3.2 Direct testing
- 4 Prevention
- 4.1 Vaccine
- 4.2 Sex
- 4.3 Congenital disease
- 4.4 Screening
- 5 Treatment
- 5.1 Early infections
- 5.2 Late infections
- 5.3 Jarisch-Herxheimer reaction
- 5.4 Pregnancy
- 6 Epidemiology
- 7 History
- 7.1 Arts and literature
- 7.2 Tuskegee and Guatemala studies
- 8 References
- 9 External links
Signs and symptoms
Syphilis can present in one of four different stages: primary, secondary, latent, and tertiary,[5] and may also occur congenitally.[14] It was referred to as "the great imitator" by Sir William Osler due to its varied presentations.[5][15]
Primary
Primary chancre of syphilis at the site of infection on the penis
Primary syphilis is typically acquired by direct sexual contact with the infectious lesions of another person.[16] Approximately 3 to 90 days after the initial exposure (average 21 days) a skin lesion, called a chancre, appears at the point of contact. This is classically (40% of the time) a single, firm, painless, non-itchy skin ulceration with a clean base and sharp borders 0.3–3.0 cm in size.[5] The lesion may take on almost any form. In the classic form, it evolves from a macule to a papule and finally to an erosion or ulcer.[17] Occasionally, multiple lesions may be present (~40%),[5] with multiple lesions more common when coinfected with HIV. Lesions may be painful or tender (30%), and they may occur in places other than the genitals (2–7%). The most common location in women is the cervix (44%), the penis in heterosexual men (99%), and anally and rectally relatively commonly in men who have sex with men (34%).[17] Lymph node enlargement frequently (80%) occurs around the area of infection,[5] occurring seven to 10 days after chancre formation.[17] The lesion may persist for three to six weeks without treatment.[5]
Secondary
Typical presentation of secondary syphilis with a rash on the palms of the hands
Reddish papules and nodules over much of the body due to secondary syphilis
Secondary syphilis occurs approximately four to ten weeks after the primary infection.[5] While secondary disease is known for the many different ways it can manifest, symptoms most commonly involve the skin, mucous membranes, and lymph nodes.[18] There may be a symmetrical, reddish-pink, non-itchy rash on the trunk and extremities, including the palms and soles.[5][19] The rash may become maculopapular or pustular. It may form flat, broad, whitish, wart-like lesions known as condyloma latum on mucous membranes. All of these lesions harbor bacteria and are infectious. Other symptoms may include fever, sore throat, malaise, weight loss, hair loss, and headache.[5] Rare manifestations include liver inflammation, kidney disease, joint inflammation, periostitis, inflammation of the optic nerve, uveitis, and interstitial keratitis.[5][20] The acute symptoms usually resolve after three to six weeks;[20] about 25% of people may present with a recurrence of secondary symptoms. Many people who present with secondary syphilis (40–85% of women, 20–65% of men) do not report previously having had the classic chancre of primary syphilis.[18]
Latent
Latent syphilis is defined as having serologic proof of infection without symptoms of disease.[16] It is further described as either early (less than 1 year after secondary syphilis) or late (more than 1 year after secondary syphilis) in the United States.[20] The United Kingdom uses a cut-off of two years for early and late latent syphilis.[17] Early latent syphilis may have a relapse of symptoms. Late latent syphilis is asymptomatic, and not as contagious as early latent syphilis.[20]
Tertiary
Person with tertiary (gummatous) syphilis. Bust in Musée de l'Homme, Paris.
Tertiary syphilis may occur approximately 3 to 15 years after the initial infection, and may be divided into three different forms: gummatous syphilis (15%), late neurosyphilis (6.5%), and cardiovascular syphilis (10%).[5][20] Without treatment, a third of infected people develop tertiary disease.[20] People with tertiary syphilis are not infectious.[5]
Gummatous syphilis or late benign syphilis usually occurs 1 to 46 years after the initial infection, with an average of 15 years. This stage is characterized by the formation of chronic gummas, which are soft, tumor-like balls of inflammation which may vary considerably in size. They typically affect the skin, bone, and liver, but can occur anywhere.[5]
Neurosyphilis refers to an infection involving the central nervous system. It may occur early, being either asymptomatic or in the form of syphilitic meningitis, or late as meningovascular syphilis, general paresis, or tabes dorsalis, which is associated with poor balance and lightning pains in the lower extremities. Late neurosyphilis typically occurs 4 to 25 years after the initial infection. Meningovascular syphilis typically presents with apathy and seizure, and general paresis with dementia and tabes dorsalis.[5] Also, there may be Argyll Robertson pupils, which are bilateral small pupils that constrict when the person focuses on near objects but do not constrict when exposed to bright light.
Cardiovascular syphilis usually occurs 10–30 years after the initial infection. The most common complication is syphilitic aortitis, which may result in aneurysm formation.[5]
Congenital
Congenital syphilis is that which is transmitted during pregnancy or during birth. Two-thirds of syphilitic infants are born without symptoms. Common symptoms that develop over the first couple of years of life include enlargement of the liver and spleen (70%), rash (70%), fever (40%), neurosyphilis (20%), and lung inflammation (20%). If untreated, late congenital syphilis may occur in 40%, including saddle nose deformation, Higoumenakis sign, saber shin, or Clutton's joints among others.[6]
Cause
Bacteriology
Histopathology of Treponema pallidum spirochetes using a modified Steiner silver stain
Main article: Treponema pallidum
Treponema pallidum subspecies pallidum is a spiral-shaped, Gram-negative, highly mobile bacterium.[9][17] Three other human diseases are caused by related Treponema pallidum subspecies, including yaws (subspecies pertenue), pinta (subspecies carateum) and bejel (subspecies endemicum).[5] Unlike subtype pallidum, they do not cause neurological disease.[6] Humans are the only known natural reservoir for subspecies pallidum.[14] It is unable to survive more than a few days without a host. This is due to its small genome (1.14 Mbp) failing to encode the metabolic pathways necessary to make most of its macronutrients. It has a slow doubling time of greater than 30 hours.[17]
Transmission
Syphilis is transmitted primarily by sexual contact or during pregnancy from a mother to her fetus; the spirochete is able to pass through intact mucous membranes or compromised skin.[5][14] It is thus transmissible by kissing near a lesion, as well as oral, vaginal, and anal sex.[5] Approximately 30% to 60% of those exposed to primary or secondary syphilis will get the disease.[20] Its infectivity is exemplified by the fact that an individual inoculated with only 57 organisms has a 50% chance of being infected.[17] Most (60%) of new cases in the United States occur in men who have sex with men. Syphilis can be transmitted by blood products, but the risk is low due to blood testing in many countries. The risk of transmission from sharing needles appears limited.[5]
It is not generally possible to contract syphilis through toilet seats, daily activities, hot tubs, or sharing eating utensils or clothing.[21] This is mainly because the bacteria die very quickly outside of the body, making transmission by objects extremely difficult.[22]
Diagnosis
This poster acknowledges the social stigma of syphilis, while urging those who possibly have the disease to be tested (circa 1936).
Syphilis is difficult to diagnose clinically early in its presentation.[17] Confirmation is either via blood tests or direct visual inspection using microscopy. Blood tests are more commonly used, as they are easier to perform.[5] Diagnostic tests are unable to distinguish between the stages of the disease.[23]
Blood tests
Blood tests are divided into nontreponemal and treponemal tests.[17]
Nontreponemal tests are used initially, and include venereal disease research laboratory (VDRL) and rapid plasma reagin (RPR) tests. False positives on the nontreponemal tests can occur with some viral infections, such as varicella (chickenpox) and measles. False positives can also occur with lymphoma, tuberculosis, malaria, endocarditis, connective tissue disease, and pregnancy.[16]
Because of the possibility of false positives with nontreponemal tests, confirmation is required with a treponemal test, such as treponemal pallidum particle agglutination (TPHA) or fluorescent treponemal antibody absorption test (FTA-Abs).[5] Treponemal antibody tests usually become positive two to five weeks after the initial infection.[17] Neurosyphilis is diagnosed by finding high numbers of leukocytes (predominately lymphocytes) and high protein levels in the cerebrospinal fluid in the setting of a known syphilis infection.[5][16]
Direct testing
Dark ground microscopy of serous fluid from a chancre may be used to make an immediate diagnosis. Hospitals do not always have equipment or experienced staff members, and testing must be done within 10 minutes of acquiring the sample. Sensitivity has been reported to be nearly 80%; therefore the test can only be used to confirm a diagnosis, but not to rule one out. Two other tests can be carried out on a sample from the chancre: direct fluorescent antibody testing and nucleic acid amplification tests. Direct fluorescent testing uses antibodies tagged with fluorescein, which attach to specific syphilis proteins, while nucleic acid amplification uses techniques, such as the polymerase chain reaction, to detect the presence of specific syphilis genes. These tests are not as time-sensitive, as they do not require living bacteria to make the diagnosis.[17]
Prevention
Vaccine
As of 2010[update], there is no vaccine effective for prevention.[14] Several vaccines based on treponemal proteins reduce lesion development in an animal model, and research is ongoing.[24]
Sex
Condom use reduces the likelihood of transmission during sex, but does not completely eliminate the risk.[25] The Centers for Disease Control and Prevention states, "Correct and consistent use of latex condoms can reduce the risk of syphilis only when the infected area or site of potential exposure is protected. However, a syphilis sore outside of the area covered by a latex condom can still allow transmission, so caution should be exercised even when using a condom."[26]
Abstinence from intimate physical contact with an infected person is effective at reducing the transmission of syphilis. The CDC states, "The surest way to avoid transmission of sexually transmitted diseases, including syphilis, is to abstain from sexual contact or to be in a long-term mutually monogamous relationship with a partner who has been tested and is known to be uninfected."[26]
Congenital disease
Portrait of Mr. J. Kay, affected with what is now believed to have been congenital syphilis c. 1820 CE[27]
Congenital syphilis in the newborn can be prevented by screening mothers during early pregnancy and treating those who are infected.[28] The United States Preventive Services Task Force (USPSTF) strongly recommends universal screening of all pregnant women,[29] while the World Health Organization recommends all women be tested at their first antenatal visit and again in the third trimester. If they are positive, it is recommend their partners also be treated.[30] Congenital syphilis is still common in the developing world, as many women do not receive antenatal care at all, and the antenatal care others receive does not include screening, and it still occasionally occurs in the developed world, as those most likely to acquire syphilis (through drug use, etc.) are least likely to receive care during pregnancy.[28] Several measures to increase access to testing appear effective at reducing rates of congenital syphilis in low- to middle-income countries.[30] Point-of-care testing to detect syphilis appeared to be good although more research is needed to assess its effectiveness and into improving outcomes in mothers and babies.[31]
Screening
The CDC recommends that sexually active men who have sex with men be tested at least yearly.[32] The USPSTF also recommends screening among those at high risk.[33]
Syphilis is a notifiable disease in many countries, including Canada[34] the European Union,[35] and the United States.[36] This means health care providers are required to notify public health authorities, which will then ideally provide partner notification to the person's partners.[37] Physicians may also encourage patients to send their partners to seek care.[38] Several strategies have been found to improve follow-up for STI testing including email and text messaging as reminders of appointments.[39]
Treatment
Early infections
The first-choice treatment for uncomplicated syphilis remains a single dose of intramuscular benzathine penicillin G.[40] Doxycycline and tetracycline are alternative choices for those allergic to penicillin; due to the risk of birth defects these are not recommended for pregnant women.[40] Resistance to macrolides, rifampin, and clindamycin is often present.[14] Ceftriaxone, a third-generation cephalosporin antibiotic, may be as effective as penicillin-based treatment.[5] It is recommended that a treated person avoid sex until the sores are healed.[21]
Late infections
For neurosyphilis, due to the poor penetration of penicillin G into the central nervous system, those affected are recommended to be given large doses of intravenous penicillin for a minimum of 10 days.[5][14] If a person is allergic, ceftriaxone may be used or penicillin desensitization attempted. Other late presentations may be treated with once-weekly intramuscular penicillin G for three weeks. If allergic, as in the case of early disease, doxycycline or tetracycline may be used, albeit for a longer duration. Treatment at this stage limits further progression but has only slight effect on damage which has already occurred.[5]
Jarisch-Herxheimer reaction
One of the potential side effects of treatment is the Jarisch-Herxheimer reaction. It frequently starts within one hour and lasts for 24 hours, with symptoms of fever, muscle pains, headache, and a fast heart rate.[5] It is caused by cytokines released by the immune system in response to lipoproteins released from rupturing syphilis bacteria.[41]
Pregnancy
Penicillin is an effective treatment for syphilis in pregnancy[42] but there is no agreement on which dose or way of giving it is most effective.[43] More research is needed into how much antibiotic to give and when to give it.[43]
Epidemiology
Main article: Epidemiology of syphilis
Syphilis deaths per million persons in 2012
0–0
1–1
2–3
4–10
11–19
20–28
29–57
58–138
Age-standardized disability adjusted life years from syphilis per 100,000 inhabitants in 2004[44]
|
no data
<35
35–70
70–105
105–140
140–175
175–210
|
210–245
245–280
280–315
315–350
350–500
>500
|
In 2012 about 0.5% of adults were infected with syphilis with 6 million new cases.[7] In 1999 it is believed to have infected 12 million additional people, with greater than 90% of cases in the developing world.[14] It affects between 700,000 and 1.6 million pregnancies a year, resulting in spontaneous abortions, stillbirths, and congenital syphilis.[6] During 2010 it caused about 113,000 deaths down from 202,000 in 1990.[8] In sub-Saharan Africa, syphilis contributes to approximately 20% of perinatal deaths.[6] Rates are proportionally higher among intravenous drug users, those who are infected with HIV, and men who have sex with men.[10][11][12] In the United States, rates of syphilis as of 2007 were six times greater in men than women; they were nearly equal in 1997.[45] African Americans accounted for almost half of all cases in 2010.[46] As of 2014, syphilis infections continue to increase in the United States.[47]
Syphilis was very common in Europe during the 18th and 19th centuries.[9] Flaubert found it universal among nineteenth-century Egyptian prostitutes.[48] In the developed world during the early 20th century, infections declined rapidly with the widespread use of antibiotics, until the 1980s and 1990s.[9] Since 2000, rates of syphilis have been increasing in the USA, Canada, the UK, Australia and Europe, primarily among men who have sex with men.[14] Rates of syphilis among American women have remained stable during this time, and rates among UK women have increased, but at a rate less than that of men.[49] Increased rates among heterosexuals have occurred in China and Russia since the 1990s.[14] This has been attributed to unsafe sexual practices, such as sexual promiscuity, prostitution, and decreasing use of barrier protection.[14][49][50]
Untreated, it has a mortality of 8% to 58%, with a greater death rate in males.[5] The symptoms of syphilis have become less severe over the 19th and 20th centuries, in part due to widespread availability of effective treatment and partly due to virulence of the spirochaete.[18] With early treatment, few complications result.[17] Syphilis increases the risk of HIV transmission by two to five times, and coinfection is common (30–60% in some urban centers).[5][14] In 2015 Cuba became the first country in the world to eradicate mother to child transmission of syphilis.[13]
History
Main article: History of syphilis
Portrait of Gerard de Lairesse by Rembrandt van Rijn, circa 1665–67, oil on canvas - De Lairesse, himself a painter and art theorist, had congenital syphilis that deformed his face and eventually blinded him.[51]
The exact origin of syphilis is disputed.[5] Syphilis was definitely present in the Americas before European contact,[52] and it may have been carried from the Americas to Europe by the returning crewmen from Christopher Columbus's voyage to the Americas; or it may have existed in Europe previously, but went unrecognized until shortly after Columbus returned. These are referred to as the Columbian and pre-Columbian hypotheses, respectively.[23]
The Columbian hypothesis is best supported by the available evidence.[53][54] The first written records of an outbreak of syphilis in Europe occurred in 1494 or 1495 in Naples, Italy, during a French invasion (Italian War of 1494–98).[9][23] As it was claimed to have been spread by French troops, it was initially known as the "French disease" by the people of Naples.[55] In 1530, the pastoral name "syphilis" (the name of a character) was first used by the Italian physician and poet Girolamo Fracastoro as the title of his Latin poem in dactylic hexameter describing the ravages of the disease in Italy.[56][57] It was also known historically as the "Great Pox".[58][59]
The causative organism, Treponema pallidum, was first identified by Fritz Schaudinn and Erich Hoffmann in 1905.[60][9] The first effective treatment for syphilis was Salvarsan, developed in 1910 by Paul Ehrlich. The effectiveness of treatment with penicillin was confirmed in trials in 1943.[9][58] Before the discovery and use of antibiotics in the mid-twentieth century, mercury and isolation were commonly used, with treatments often worse than the disease.[58]
Many famous historical figures, including Franz Schubert, Arthur Schopenhauer, Édouard Manet,[9] Charles Baudelaire,[61] and Guy de Maupassant are believed to have had the disease.[62] Friedrich Nietzsche was long believed to have gone mad as a result of tertiary syphilis, but that diagnosis has recently come into question.[63]
Arts and literature
See also: List of syphilis cases
An early medical illustration of people with syphilis, Vienna, 1498
The earliest known depiction of an individual with syphilis is Albrecht Dürer's Syphilitic Man, a woodcut believed to represent a Landsknecht, a Northern European mercenary.[64] The myth of the femme fatale or "poison women" of the 19th century is believed to be partly derived from the devastation of syphilis, with classic examples in literature including John Keats' La Belle Dame sans Merci.[65][66]
The artist Jan van der Straet painted a scene of a wealthy man receiving treatment for syphilis with the tropical wood guaiacum sometime around 1580.[67] The title of the work is "Preparation and Use of Guayaco for Treating Syphilis". That the artist chose to include this image in a series of works celebrating the New World indicates how important a treatment, however ineffective, for syphilis was to the European elite at that time. The richly colored and detailed work depicts four servants preparing the concoction while a physician looks on, hiding something behind his back while the hapless patient drinks.[68]
Tuskegee and Guatemala studies
See also: Tuskegee syphilis experiment and Guatemala syphilis experiment
One of the most infamous United States cases of questionable medical ethics in the 20th century was the Tuskegee syphilis study.[69] The study took place in Tuskegee, Alabama, and was supported by the U.S. Public Health Service (PHS) in partnership with the Tuskegee Institute.[70] The study began in 1932, when syphilis was a widespread problem and there was no safe and effective treatment.[15] The study was designed to measure the progression of untreated syphilis. By 1947, penicillin had been shown to be an effective cure for early syphilis and was becoming widely used to treat the disease.[70] Its use in later syphilis was still unclear.[15] Study directors continued the study and did not offer the participants treatment with penicillin.[70] This is debated, and some have found that penicillin was given to many of the subjects.[15]
A Work Projects Administration poster about syphilis circa 1940.
In the 1960s, Peter Buxtun sent a letter to the CDC, who controlled the study, expressing concern about the ethics of letting hundreds of black men die of a disease that could be cured. The CDC asserted that it needed to continue the study until all of the men had died. In 1972, Buxton went to the mainstream press, causing a public outcry. As a result, the program was terminated, the U.S. Government settled a class action lawsuit on behalf of study participants and their descendants in the amount of $9 million (unadjusted for inflation) and agreed to provide free medical treatment to surviving participants and to surviving family members infected as a consequence of the study, and Congress created a commission empowered to write regulations to deter such abuses from occurring in the future.[70]
On 16 May 1997, thanks to the efforts of the Tuskegee Syphilis Study Legacy Committee formed in 1994, survivors of the study were invited to the White House to be present when President Bill Clinton apologized on behalf of the United States government for the study.[71]
Syphilis experiments were also carried out in Guatemala from 1946 to 1948. They were United States-sponsored human experiments, conducted during the government of Juan José Arévalo with the cooperation of some Guatemalan health ministries and officials. Doctors infected soldiers, prisoners, and mental patients with syphilis and other sexually transmitted diseases, without the informed consent of the subjects, and then treated them with antibiotics. In October 2010, the U.S. formally apologized to Guatemala for conducting these experiments.[72]
References
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- ^ a b c "Syphilis". CDC. 4 June 2015. Archived from the original on 21 February 2016. Retrieved 3 February 2016.
- ^ a b GBD 2015 Disease and Injury Incidence and Prevalence, Collaborators. (8 October 2016). "Global, regional, and national incidence, prevalence, and years lived with disability for 310 diseases and injuries, 1990-2015: a systematic analysis for the Global Burden of Disease Study 2015.". Lancet. 388 (10053): 1545–1602. PMID 27733282.
- ^ a b GBD 2015 Mortality and Causes of Death, Collaborators. (8 October 2016). "Global, regional, and national life expectancy, all-cause mortality, and cause-specific mortality for 249 causes of death, 1980-2015: a systematic analysis for the Global Burden of Disease Study 2015.". Lancet. 388 (10053): 1459–1544. PMID 27733281.
- ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag Kent ME, Romanelli F (February 2008). "Reexamining syphilis: an update on epidemiology, clinical manifestations, and management". Annals of Pharmacotherapy. 42 (2): 226–36. PMID 18212261. doi:10.1345/aph.1K086.
- ^ a b c d e Woods CR (June 2009). "Congenital syphilis-persisting pestilence". Pediatr. Infect. Dis. J. 28 (6): 536–7. PMID 19483520. doi:10.1097/INF.0b013e3181ac8a69.
- ^ a b Newman, L; Rowley, J; Vander Hoorn, S; Wijesooriya, NS; Unemo, M; Low, N; Stevens, G; Gottlieb, S; Kiarie, J; Temmerman, M (2015). "Global Estimates of the Prevalence and Incidence of Four Curable Sexually Transmitted Infections in 2012 Based on Systematic Review and Global Reporting.". PLOS ONE. 10 (12): e0143304. PMC 4672879 . PMID 26646541. doi:10.1371/journal.pone.0143304.
- ^ a b Lozano, R (15 December 2012). "Global and regional mortality from 235 causes of death for 20 age groups in 1990 and 2010: a systematic analysis for the Global Burden of Disease Study 2010.". Lancet. 380 (9859): 2095–128. PMID 23245604. doi:10.1016/S0140-6736(12)61728-0. hdl:10536/DRO/DU:30050819.
- ^ a b c d e f g h Franzen, C (December 2008). "Syphilis in composers and musicians--Mozart, Beethoven, Paganini, Schubert, Schumann, Smetana". European Journal of Clinical Microbiology & Infectious Diseases. 27 (12): 1151–7. PMID 18592279. doi:10.1007/s10096-008-0571-x.
- ^ a b Coffin, L. S.; Newberry, A.; Hagan, H.; Cleland, C. M.; Des Jarlais, D. C.; Perlman, D. C. (January 2010). "Syphilis in Drug Users in Low and Middle Income Countries". The International journal on drug policy. 21 (1): 20–7. PMC 2790553 . PMID 19361976. doi:10.1016/j.drugpo.2009.02.008.
- ^ a b Gao, L; Zhang, L; Jin, Q (September 2009). "Meta-analysis: prevalence of HIV infection and syphilis among MSM in China". Sexually transmitted infections. 85 (5): 354–8. PMID 19351623. doi:10.1136/sti.2008.034702.
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UpToDate Contents
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- 1. 後期梅毒の病因、臨床症状、および治療 pathogenesis clinical manifestations and treatment of late syphilis
- 2. 梅毒の病態生理、伝播、および自然史 pathophysiology transmission and natural history of syphilis
- 3. 早期梅毒の病因、臨床症状、および治療 pathogenesis clinical manifestations and treatment of early syphilis
- 4. 梅毒の診断的検査 diagnostic testing for syphilis
- 5. HIV感染患者における梅毒の疫学、臨床症状、および診断 epidemiology clinical presentation and diagnosis of syphilis in the hiv infected patient
English Journal
- The incidence of congenital syphilis in the United Kingdom: February 2010 to January 2015.
- Simms I1, Tookey PA2, Goh BT3, Lyall H4, Evans B1, Townsend CL2, Fifer H5, Ison C5.
- BJOG : an international journal of obstetrics and gynaecology.BJOG.2016 Mar 2. doi: 10.1111/1471-0528.13950. [Epub ahead of print]
- OBJECTIVE: To estimate the incidence of congenital syphilis in the UK.DESIGN: Prospective study.SETTING AND POPULATION: United Kingdom.METHODS: Children born between February 2010 and January 2015 with a suspected diagnosis of congenital syphilis were reported through an active surveillance system.M
- PMID 26931054
- Probable Syphilitic Aortitis Documented by Positron Emission Tomography.
- Joseph Davey D1, Acosta Ldel R, Gupta P, Konda KA, Caceres CF, Klausner JD.
- Sexually transmitted diseases.Sex Transm Dis.2016 Mar;43(3):199-200. doi: 10.1097/OLQ.0000000000000411.
- Positron emission tomography (PET) has been used to aid in diagnosis of inflammatory and infectious disease. We describe the case of a patient with early latent syphilis with increased metabolic activity along the aorta detected via PET, suggesting probable aortitis. Three months after treatment, th
- PMID 26859808
- Detection of Treponema pallidum Sp. Pallidum DNA in Cerebrospinal Fluid (CSF) by Two PCR Techniques.
- Castro R1, Águas MJ2, Batista T3, Araújo C3, Mansinho K3, Pereira FD4.
- Journal of clinical laboratory analysis.J Clin Lab Anal.2016 Feb 18. doi: 10.1002/jcla.21913. [Epub ahead of print]
- BACKGROUND: Laboratory diagnosis of neurosyphilis is complicated especially when it is asymptomatic, no single laboratory test result being appropriate to diagnose central nervous system infectivity caused by Treponema pallidum. Our objective was to evaluate two polymerase chain reaction (PCR) techn
- PMID 26892231
Japanese Journal
- Characteristics of Patients with Primary and Late Latent Syphilis Patients Who Were Initially Non-Reactive to the Rapid Plasma Reagin Test
- Jun Li,He-Yi Zheng
- Japanese Journal of Infectious Diseases 66(1), 36-40, 2013-01-00
- NAID 40019557037
- Characteristics of Patients with Primary and Late Latent Syphilis Patients Who Were Initially Non-Reactive to the Rapid Plasma Reagin Test
- Jun Li,He-Yi Zheng
- Japanese Journal of Infectious Diseases 66(1), 36-40, 2013
- … We aimed at determining the characteristics of patients with primary and late latent syphilis who were non-reactive on initial screening by rapid plasma reagin (RPR) but reactive by treponemal tests. … We collected the RPR test results of all primary and late latent syphilis patients in our hospital from December 2000 to March 2012. …
- NAID 130003381638
- 感染症法に基づく梅毒発生届けにおける問題点
- 多田 有希
- 日本性感染症学会誌 = Japanese archives of sexually transmitted diseases 20(1), 75-77, 2009-07-10
- NAID 10027048472
Related Links
- latent syphilis Etymology: L, latere, to be concealed; Gk, syn, together, philein, to love a stage of syphilis infection in which no clinical symptoms appear, although serologic tests indicate the presence of the syphilis spirochete.
- LATENT SYPHILIS by Major M. P. Vora, M.B.B.S., D.V.D. Ex- Hon. Senior Venereologist, St. George’s Hospital, Bombay. The Indian Practitioner A monthly journal of Medicine Surgery & Public Health. Volume No – XXII ...
Related Pictures
★リンクテーブル★
| リンク元 | 「潜伏性梅毒」 |
| 関連記事 | 「late」「latent」 |
「潜伏性梅毒」
- 英
- latent syphilis
- 関
- 梅毒
「late」
- adv.
- (比較級later-最上級latest)遅い、遅発の、遅発型の、晩発の、後の、後期の
- 関
- after、afterward、afterwards、anaphase、behind、delayed、following、late-stage、post、posterior、slow、subsequent
「latent」
- adj.
- 不顕性の、潜在型の、潜在性の、潜伏した、潜在した