Trichofolliculoma of the upper lip. Report of a case

Matsui, Hideki; Senga, Katsuhiro

doi:10.1034/j.1399-0020.1999.282280209.x

Cited by 8 publications

(6 citation statements)

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“…On histological examination, keratin filled cystic follicles which contain hair shafts are seen in the dermis. Secondary hair follicles originating from the primary cystic follicles are seen 3 . One component of the present collision tumour had the classical appearance of trichofolliculoma histologically, but a tuft of fine hairs was not present clinically.…”

Section: Discussionmentioning

confidence: 69%

Collision tumour of trichofolliculoma and basal cell carcinoma

Boran¹,

Parlak²,

Erkol³

2007

Aust J Dermatology

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Section: Discussionmentioning

confidence: 69%

Collision tumour of trichofolliculoma and basal cell carcinoma

Boran¹,

Parlak²,

Erkol³

2007

Aust J Dermatology

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“…Clinically, it is usually in the form of a bright umbilical papule that appears on the face and scalp [7]. It has been reported that it is rarely localized in the neck, external auditory canal, eyelid, upper lip, nasal cavity, and vulva [8][9][10][11][12][13]. White, immature vellus-type hairs can be seen coming out of the pore in the middle of the papule, which is observed in a domed morphology and is usually smaller than 1 cm in diameter.…”

Section: Discussionmentioning

confidence: 99%

A Rare Cutaneous Hamartomatous Adnexal Tumor: Trichofolliculoma

Zekey

Kurtipek

2022

Skin Appendage Disord

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Introduction: Trichofolliculoma is a very rare, benign hamartomatous skin adnexal tumor originating from the hair follicle. The tumor which presents as a papule or nodule is usually observed on the scalp and face. Case Presentation: We report the case of a 49-year-old female who presented with a solitary papule on the nose. The lesion which was observed macroscopically and dermoscopically compatible with trichofolliculoma was completely removed by punch biopsy. The diagnosis of trichofolliculoma was confirmed histopathologically, and no recurrence was observed in the follow-up. Conclusion: Trichofolliculomas can macroscopically mimic some skin cancers such as basal cell carcinoma and sebaceous carcinoma. Awareness of its typical clinical and dermoscopic features facilitates diagnosis and prevents aggressive surgical intervention.

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“…Trichofolliculoma is a pilosebaceous follicle hamartoma in which several hairs are formed within a single pilosebaceous unit and protrude out of a single orifice. It is mostly observed over the head and neck area, particularly the face in young adults, but has also been reported over the vulva, scrotum, penis, external auditory meatus, intranasal area, lips, and upper extremities [1][2][3][4][5][6][7]. It is usually seen in adults but a single case of congenital trichofolliculoma has also been reported [8].…”

Section: Discussionmentioning

confidence: 99%

Umbilicated nodule over eyebrow

Singh

Kumar²,

Chandrashekar³

et al. 2013

Dermatology Online Journal

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Trichofolliculoma is a pilosebaceous follicle hamartoma in which several hairs are formed within single pilosebaceous unit and protrude out of single orifice. Herein we report a 45-year-old woman with a trichofolliculoma of the eyebrow. Case synopsisA 45-year-old woman presented with an asymptomatic slowly growing swelling over the right eyebrow of 6 months duration. There was no history of similar lesion elsewhere in the past and no similar skin lesion in any family members. The patient could not recall any history of trauma at the site of swelling.Examination revealed a solitary skin colored shiny, firm, non tender nodule of size 0.9X 0.5X 0.5 cm over the infero-medial aspect of the right eyebrow. The nodule had an umbilication in the center with a keratinous plug and a few terminal hairs emerging from it (Figure 1). No other mucocutaneous abnormality was detected and systemic examination was unremarkable. The nodule was excised and sent for histopathological examination. Figure 1. Solitary skin colored shiny, firm, umbilicated nodule with keratinous plug and few terminal hairs emerging over infero-medial aspect of eyebrow.

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Trichofolliculoma of the upper lip. Report of a case

Abstract: A trichofolliculoma occurring in the mid-philtrum of the upper lip of a 17-year-old boy is reported. It presented as an asymptomatic, 10 mm deep sinus and histology showed keratin-filled cysts or sinuses lined by stratified squamous epithelium.

Cited by 8 publications

References 0 publications

Collision tumour of trichofolliculoma and basal cell carcinoma

Collision tumour of trichofolliculoma and basal cell carcinoma

A Rare Cutaneous Hamartomatous Adnexal Tumor: Trichofolliculoma

Umbilicated nodule over eyebrow

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