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TrichoadenomaD23.L

Author:Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

trichoadenoma verrucous; Trichome

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HistoryThis section has been translated automatically.

Nikolovsky, 1958

DefinitionThis section has been translated automatically.

Very rare, solitary, benign adnexal tumor of the infundibular part of the hair follicle. Located between trichofolliculoma and trichoepithelioma as a highly differentiated variant of the latter. S.a. Adnexal tumors with hair follicle differentiation.

ManifestationThis section has been translated automatically.

Especially in adulthood, no gender preference.

LocalizationThis section has been translated automatically.

Located mainly on the face and eyelid area, less frequently on thighs or buttocks.

Clinical featuresThis section has been translated automatically.

Reddish to skin-coloured, slow-growing, up to 0,5 to 3,0 cm in diameter, usually rough papules/plaques or lumps.

HistologyThis section has been translated automatically.

Well-defined dermal tumor consisting of aggregates of epithelial cells with cystic, horny centers resembling transverse sections of infundibular hair follicles. No hair shafts.

Differential diagnosisThis section has been translated automatically.

Basal cell carcinoma; atheroma; dermatofibroma.

TherapyThis section has been translated automatically.

Excision in the healthy.

Note(s)This section has been translated automatically.

The verrucous trichoadenoma is considered a variant of the trichoadenoma with clinical and histological features of Verruca seborrhoica.

LiteratureThis section has been translated automatically.

  1. Manganaro AM et al (1998) Benign keratotic squamous epithelial neoplasm of the palate: a unique lesion. Head neck 20: 175-178
  2. Nikolowski W (1958) 'Tricho-adenoma' (Organoid follicular hamartoma). Arch Klin Exp Dermatol 207: 34-45
  3. Reibold R et al (1998) Trichoadenoma of Nikolowski--review of four decades and seven new cases. dermatologist. 49: 925-928
  4. Shields JA et al (1998) Trichoadenoma of the eyelid. At J Ophthalmol. 126: 846-848
  5. Sieron J et al (1993) The Nikolowski trichoadenoma: a rare tumor of the ENT area. Laryngorhinootology 72: 140-142
  6. Yamaguchi J, Takino C (1992) A case of trichoadenoma arising in the buttock. J Dermatol 19: 503-506
  7. Undeutsch W et al. (1984) The trichoadenoma (Nikolowski). Dermatologist 35: 650-652

Authors

Last updated on: 29.10.2020

Author: Prof. Dr. med. Peter Altmeyer