trichofolliculoma

trich·o·fol·lic·u·lo·ma

(trik'ō-fol-ik'yū-lō'mă),
A usually solitary tumor or hamartoma in which multiple abortive hair follicles open into a central cyst or space opening on the skin surface.
[tricho- + L. folliculus, fountain, spring, + G. -oma, tumor]

trichofolliculoma

/tricho·fol·lic·u·lo·ma/ (-fŏ-lik″u-lo´mah) a benign usually solitary dome-shaped nodular lesion with a central pore that frequently contains a woolly hair-like tuft; usually occurring on the head or neck and derived from a hair follicle.

trichofolliculoma

An uncommon hamartoma arising in the hair follicles, which occurs in adults, doesn’t undergo malignant changes and is managed with complete excision.
 
DiffDx
Basal cell carcinoma, dilated pore of Winer, epidermal inclusion cyst, trichoepithelioma.

trichofolliculoma

a benign neoplasm of the hair follicle with a large central follicle and numerous smaller follicle-like structures radiating from it; occur in dogs where they appear as firm nodules which may have tufts of hair protruding.
Mentioned in ?
References in periodicals archive ?
Trichofolliculoma is a rare, benign skin lesion that was first described in 1944.
Trichoepithelioma should clinically be differentiated from basal cell carcinoma, trichilemmoma, trichofolliculoma, syringoma and colloid milium.
The hair follicle tumors are comprised of trichofolliculoma (sebaceous), pilomatricoma, and dilated pore of Winer (Figures 2-5).
Histopathological differential diagnoses of NC include: trichofolliculoma, dilated pore of Winer, pilar sheath acanthoma, and folliculocystic and collagen comedo hamartoma [3].
To date, vulvar trichofolliculoma in the literature is limited to a single series citing 3 cases.
9) Differential diagnosis between trichoepithelioma (TE), trichoblastoma, trichofolliculoma, trichoadenoma, and BCC may be very difficult for the clinician and the pathologist.
Trichofolliculoma of the upper lip: report of a case.
Benign appendageal/adenexal tumor (Hidradenoma papilliferum, Trichoepithelioma, Trichofolliculoma, Eccrine dermal cylindroma & Pilomatrixoma) showed predilection for females, according to Abanti sinha et al (2011)[7] females (65.
The benign tumors are: Trichofolliculoma, Pilar sheath acanthoma, Fibrofolliculoma, Trichodiscoma, Trichoepithelioma, Trichoblastoma, Trichoadenoma, Pilomartricoma, Trichilemmoma, Trichilemmal horn and Proliferating trichilemmal cyst.
We present a patient who presented with a cutaneous horn on the pinna developing over a trichofolliculoma something not described in literature in the past.