砂粒小体
WordNet
- invest with or as with a body; give body to (同)personify
- the external structure of a vehicle; "the body of the car was badly rusted"
- the main mass of a thing
- a natural object consisting of a dead animal or person; "they found the body in the lake" (同)dead body
- the entire structure of an organism (an animal, plant, or human being); "he felt as if his whole body were on fire" (同)organic structure, physical structure
- a collection of particulars considered as a system; "a body of law"; "a body of doctrine"; "a body of precedents"
- a group of persons associated by some common tie or occupation and regarded as an entity; "the whole body filed out of the auditorium"; "the student body"; "administrative body"
- an individual 3-dimensional object that has mass and that is distinguishable from other objects; "heavenly body"
- the central message of a communication; "the body of the message was short"
- a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles (同)sand_tumor
PrepTutorEJDIC
- 〈C〉『身体』,肉体 / 〈C〉(人・動物の)『胴体』 / 〈C〉)物の)『主要部』,本体《+『of』+『名』》 / 〈C〉(…の)『団体』,群れ:(…のたくさんの)集まり《+『of』+『名』》 / 〈C〉物体,…体 / 〈U〉実質;(酒・味などの)こく / 〈C〉《話》人
- 《英話》人;(特に)男
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2014/05/02 07:07:14」(JST)
[Wiki en表示]
A psammoma body is a round collection of calcium, seen microscopically. The term is derived from the Greek word psammos meaning "sand."
Contents
- 1 Etiology
- 2 Association with lesions
- 3 Benign lesions
- 4 Appearance
- 5 References
- 6 External links
Etiology
Psammoma bodies are associated with the papillary (nipple-like) histomorphology and are thought to arise from (1) the infarction and calcification of papillae tips and (2) calcification of intralymphatic tumor thrombi.[1]
Association with lesions
Psammoma bodies are commonly seen in certain tumors such as:
- Papillary thyroid carcinoma
- Papillary renal cell carcinoma
- Ovarian papillary serous cystadenocarcinoma[2]
- Endometrial adenocarcinomas (Papillary serous carcinoma ~3%-4%)
- Meningiomas, in the central nervous system[3]
- Peritoneal and Pleural Mesothelioma
- Somatostatinoma (pancreas)[4]
- Prolactinoma of the pituitary [5]
- Mesothelioma, in membranes that line body cavities
Benign lesions
Micrograph of a psammomatous melanotic schwannoma with a psammoma body, as may be seen in Carney complex. H&E stain.
Psammoma bodies may be seen in:
- Endosalpingiosis[6]
- Psammomatous melanotic schwannoma
- Melanocytic nevus[7]
Appearance
Psammoma bodies usually have a laminar appearance, are circular, acellular and basophilic.
References
- ^ Johannessen JV, Sobrinho-Simões M (September 1980). "The origin and significance of thyroid psammoma bodies". Lab. Invest. 43 (3): 287–96. PMID 7401638.
- ^ Ovarian papillary serous cystadenocarcinoma at WebPath, The Internet Pathology Laboratory for Medical Education at Mercer University School of Medicine. Retrieved July 2011
- ^ http://spinwarp.ucsd.edu/neuroweb/Text/br-300b.htm
- ^ 10.1148/rg.306105523, October 2010, RadioGraphics, 30, 1445-1464
- ^ Robbin's Pathology, Eight Ed
- ^ Hallman KB, Nahhas WA, Connelly PJ (September 1991). "Endosalpingiosis as a source of psammoma bodies in a Papanicolaou smear. A case report". J Reprod Med 36 (9): 675–8. PMID 1774734.
- ^ Rapini, Ronald. Practical Dermatopathology. Elsevier Mosby, 2005, p. 10.
External links
Slides:
- Meningioma
- Thyroid cancer
- Endometriosis (peritoneum)
- Video of psammoma bodies in meningioma
UpToDate Contents
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English Journal
- Intracranial cotton ball gossypiboma mimicking recurrent meningioma: report of a case with literature review for intentional and unintentional foreign body granulomas.
- Peloquin P, Vannemreddy PS, Watkins LM, Byrne RW.SourceDepartment of Neurosurgery, Rush University Medical Center, Chicago, IL 60612, USA.
- Clinical neurology and neurosurgery.Clin Neurol Neurosurg.2012 Sep;114(7):1039-41. Epub 2012 Feb 22.
- PMID 22365334
- PET SUV correlates with radionuclide uptake in peptide receptor therapy in meningioma.
- Hänscheid H, Sweeney RA, Flentje M, Buck AK, Löhr M, Samnick S, Kreissl M, Verburg FA.SourceDepartment of Nuclear Medicine, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080 Würzburg, Germany. haenscheid_h@klinik.uni-wuerzburg.de
- European journal of nuclear medicine and molecular imaging.Eur J Nucl Med Mol Imaging.2012 Aug;39(8):1284-8. Epub 2012 Apr 20.
- PURPOSE: To investigate whether the tumour uptake of radionuclide in peptide receptor radionuclide therapy (PRRT) of meningioma can be predicted by a PET scan with (68)Ga-labelled somatostatin analogue.METHODS: In this pilot trial, 11 meningioma patients with a PET scan indicating somatostatin recep
- PMID 22526964
Japanese Journal
- A study on psammoma body mineralization in meningiomas
- WANG Changqiu,YANG Ruochen,LI Yan,XIONG Cuie,ZHAO Wenwen,LIU Jianying,ZHANG Bo,LU Anhuai
- Journal of Mineralogical and Petrological Sciences advpub(0), 1110170186, 2011
- NAID 130001161176
- 山田 壮亮,丁 研,王 克〓,島尻 正平,笹栗 靖之
- 診断病理 : Japanese journal of diagnostic pathology 27(2), 148-152, 2010-04-30
- NAID 10026431234
- 神経線維腫症1型に合併し, アミロイド沈着をともなった Vater 乳頭部カルチノイドの1剖検例
- 本田 悌一朗,牧野 直彦,白幡 名香雄,戸澤 智浩,池田 祐之,宗 幹之,松田 暁子,加藤 哲子,本山 悌一,河田 純男
- 日本消化器病學會雜誌 = The Japanese journal of gastro-enterology 106(10), 1516-1523, 2009-10-05
- 症例は67歳,女性.倦怠感を主訴に受診した.体表には多発する神経鞘腫とcafé-au-lait spotを認めた.CTにて膵頭部に石灰化をともなう径5 cmの腫瘍と多発性肝転移,胆道拡張を認めた.上部消化管内視鏡検査で,上十二指腸角肛門側に乳頭状腫瘍による狭窄と変形を認め,生検にてカルチノイドと診断された.告知の上,治療の必要性を説明したが,すべての治療を拒否されたため対症療法を中心に経 …
- NAID 10026133989
Related Links
- One of the characteristic features of papillary thyroid carcinoma is the presence of psammoma bodies. These are calcifications with an unusual (and pretty) lamellar pattern. You can see psammoma bodies in any carcinoma with a ...
- A psammoma body is a round collection of calcium, seen microscopically. The term is derived from the Greek word ψάμμος (psámmos), meaning "sand".
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