Cylindroma

Cylindroma
Classification and external resources
Specialty	oncology, dermatology
ICD-10	D23 (ILDS D23.L33)

A variant of eccrine spiradenoma which can be multiple on the scalp and can coalesce to form a 'Turban' tumour. 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 cystic carcinoma, a malignant tumour of the salivary gland

Eccrine:	Papillary eccrine adenoma Eccrine carcinoma Eccrine nevus Syringofibroadenoma Spiradenoma

Apocrine:	Cylindroma Dermal cylindroma Syringocystadenoma papilliferum Papillary hidradenoma Hidrocystoma Apocrine gland carcinoma Apocrine nevus

Eccrine/apocrine:	Syringoma Hidradenoma or Acrospiroma/Hidradenocarcinoma Ceruminous adenoma

Sebaceous gland

Hair

Pilomatricoma/Malignant pilomatricoma Trichoepithelioma Multiple familial trichoepithelioma Solitary trichoepithelioma Desmoplastic trichoepithelioma Generalized trichoepithelioma Trichodiscoma Trichoblastoma Fibrofolliculoma Trichilemmoma Trichilemmal carcinoma Proliferating trichilemmal cyst Giant solitary trichoepithelioma Trichoadenoma Trichofolliculoma Dilated pore

Isthmicoma Fibrofolliculoma Perifollicular fibroma Birt–Hogg–Dubé syndrome

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

Nails

Neoplasms of the nailbed

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Cylindroma

See also