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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/01/18 18:14:58」(JST)

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A trichilemmoma on a forehead.

Trichilemmoma (also known as "tricholemmoma"^[1]) is a benign cutaneous neoplasm that shows differentiation toward cells of the outer root sheath.^[2]^:673^[3] The lesion is often seen in the face and neck region. Multifocal occurrence is associated with Cowden syndrome, in which hamartomatous intestinal polyposis is seen in conjunction with multiple tricholemmoma lesions.

References

^ Busam Klaus J., Dermatopathology s.386; 2010 Saunders ISBN 978-0-443-06654-2
^ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: Clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0.
^ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. pp. 1699–1700. ISBN 1-4160-2999-0.

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1. 皮膚付属器癌 cutaneous adnexal tumors
2. カウデン症候群などのPTEN過誤腫症候群 pten hamartoma tumor syndrome including cowden syndrome
3. ポイツ・イェガース症候群：疫学、臨床症状、および診断 peutz jeghers syndrome epidemiology clinical manifestations and diagnosis
4. 内臓悪性腫瘍の皮膚症状 cutaneous manifestations of internal malignancy
5. 脂腺母斑および脂腺母斑症候群 nevus sebaceous and nevus sebaceous syndrome

English Journal

Trichoblastoma, syringocystadenoma papilliferum, desmoplastic trichilemmoma, and tumor of the follicular infundibulum with signet-ring cells, all arising in nevus sebaceus.

Dore E1, Noe MH, Swick BL.
Journal of cutaneous pathology.J Cutan Pathol.2015 Mar 12. doi: 10.1111/cup.12489. [Epub ahead of print]
Herein, we describe a 63-year-old male with multiple tumors arising within a nevus sebaceus on the posterior scalp. On histopathologic examination, four distinct tumors were identified: trichoblastoma, syringocystadenoma papilliferum, desmoplastic trichilemmoma, and tumor of the follicular infundibu
PMID 25761672

Linear trichilemmoma following a blaschkoid pattern: a clinical dilemma.

Jha AK1, Prasad S, Sinha R.
Journal of the European Academy of Dermatology and Venereology : JEADV.J Eur Acad Dermatol Venereol.2015 Jan 30. doi: 10.1111/jdv.12962. [Epub ahead of print]
BACKGROUND: Trichilemmoma are benign adnexal neoplasm with follicular outer sheath differentiation. It usually appears as single or multiple papules that resembles colour of the surrounding skin. They are most commonly seen on the face particularly on the nose and cheek.OBJECTIVES: We report a case
PMID 25640573

Japanese Journal

症例頭部多発性外毛根鞘腫から生じた悪性外毛根鞘腫の1例

小川令,糸井由里恵,百束比古
形成外科 50(11), 1321-1324, 2007-11
NAID 40015707946

当初毛包系悪性腫瘍の組織像を呈した有棘細胞癌の1例

石川博士,宿輪哲生
Skin cancer : official organ of the Japanese Society for Skin Cancer = 皮膚悪性腫瘍研究会機関誌 20(3), 286-290, 2006-02-15
… 本症例は日光角化症を発生母地とし, 生検時にはmalignant trichilemmoma, 手術時には高分化型squamous cell carcinoma (SCC) の組織像を呈しており, 日光角化症を母地として経過中に外毛根鞘癌の組織像を呈したSCCと考えた。 …
NAID 10019606653