Pilomatricoma

Pilomatricoma
Pilomatricoma
Classification and external resources

Micrograph of a pilomatricoma showing the characteristic "ghost" cells (anucleate squamous cells), benign viable squamous cells and multi-nucleated giant cells. H&E stain.
DiseasesDB 32128
eMedicine article/1058965

Pilomatricoma, also known as a calcifying epithelioma of Malherbe,[1] Malherbe calcifying epithelioma, and Pilomatrixoma, is a benign skin tumor derived from the hair matrix.[2]:670[3]

Histologic features

Pilomatricomas consist of anucleate squamous cells (called "ghost cells"), benign viable squamous cells and multi-nucleated giant cells. The presence of calcifications is common.

See also

References

  1. ^ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0. 
  2. ^ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: Clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0. 
  3. ^ Levy J, Ilsar M, Deckel Y, Maly A, Anteby I, Pe'er J (2008). "Eyelid pilomatrixoma: a description of 16 cases and a review of the literature". Surv Ophthalmol 53 (5): 526–35. doi:10.1016/j.survophthal.2008.06.007. PMID 18929763. http://linkinghub.elsevier.com/retrieve/pii/S0039-6257(08)00117-3. 
v · d · eTumors: Skin neoplasm, skin appendages / Adnexal and skin appendage (C44.L40–L68/D23.L15–49, 173/216)
Glands
Eccrine: Papillary eccrine adenoma · Eccrine carcinoma · Eccrine nevus · Syringofibroadenoma
Apocrine: Cylindroma (Dermal cylindroma) · Syringocystadenoma papilliferum · Papillary hidradenoma · Hidrocystoma · Apocrine gland carcinoma · Apocrine nevus · Spiradenoma

apocrine or eccrine: Syringoma · Acrospiroma (Malignant acrospiroma) · Hidradenoma/Hidradenocarcinoma

ungrouped: Ceruminoma
Nevus sebaceous · Muir–Torre syndrome · Sebaceous carcinoma · Sebaceous adenoma · Sebaceoma · Sebaceous nevus syndrome · Sebaceous hyperplasia · Mantleoma
Hair

Pilomatrixoma/Malignant pilomatricoma · Trichoepithelioma (Multiple familial trichoepithelioma, Solitary trichoepithelioma, Desmoplastic trichoepithelioma, Generalized trichoepithelioma) · Trichodiscoma · Trichoblastoma · Fibrofolliculoma · Trichilemmoma · Trichilemmal carcinoma · Giant solitary trichoepithelioma · Trichofolliculoma · Trichoadenoma

Hamartoma: Basaloid follicular hamartoma · Folliculosebaceous cystic hamartoma · Folliculosebaceous-apocrine hamartoma

Isthmicoma · Fibrofolliculoma · Perifollicular fibroma · Birt–Hogg–Dubé syndrome
Nails

M: SKA

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noco/cong/tumr, sysi/epon

proc, drug(D10)

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Look at other dictionaries:

  • pilomatricoma — pi·lo·ma·tri·co·ma (pi″lo ma″trĭ koґmə) [pilo + matrix + oma] a solitary, benign, calcifying adnexal tumor of hair follicle origin, manifested as a circumscribed, firm, intracutaneous nodule. It usually occurs on the face,… …   Medical dictionary

  • Malignant pilomatricoma — Classification and external resources ICD 10 C44 (ILDS C44.L45) Malignant pilomatricoma (also known as a Pilomatrical carcinoma, [1] and Pilomatrix carcinoma ) is a cutaneous condition characterized by a locally aggressive tumor composed of hair… …   Wikipedia

  • Malherbe calcifying epithelioma — pilomatricoma …   Medical dictionary

  • List of cutaneous conditions — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. See also: Cutaneous conditions, Category:Cutaneous conditions, and ICD 10… …   Wikipedia

  • Acrospiroma — An acrospiroma (also known as a Clear cell hidradenoma, Dermal duct tumor, Hidroacanthoma simplex, Nodular hidradenoma, and Poroma [1]:665) is a tumor of the distal portion of a sweat gland. Acrospiromas are usually benign, and treatment consists …   Wikipedia

  • Cylindroma — Classification and external resources ICD 10 D23 (ILDS D23.L33) In pathology, a cylindroma is a tumour with nests of cells that resemble a cylinder in cross section. Types include: Dermal eccrine cylindroma, a benign tumour of the skin Adenoid… …   Wikipedia

  • Hidrocystoma — Classification and external resources ICD 10 C44 ICD O: 8404/0 DiseasesDB …   Wikipedia

  • pilomatrixoma — A benign solitary hair follicle tumor, often starting in childhood, containing cells resembling basal cell carcinoma and areas of epithelial necrosis forming eosinophilic ghost cells with …   Medical dictionary

  • Dermal cylindroma — Classification and external resources Micrograph of a dermal cylindroma. H E stain. ICD O: M …   Wikipedia

  • Desmoplastic trichoepithelioma — A desmoplastic trichoepithelioma is a cutaneous condition characterized by a solitary, firm skin lesion on the face.[1]:672 Treatment Desmoplastic trichoepithelioma is benign tumor and can be managed safely with surgical removal,… …   Wikipedia

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