Desmoplastic Trichilemmoma

Tellechea, Óscar; Reis, José; Baptista, A. Poiares

doi:10.1097/00000372-199204000-00004

Cited by 46 publications

(73 citation statements)

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“…22 In multiple other studies, evidence of HPV virus in IFK or TL has not been identified either by immunohistochemistry, in situ hybridization, or electron microscopy. [18][19][20]25,26 There is reason to believe viral infection could be involved in the pathogenesis of these lesions. Different types of verruca are known to be induced through infection by various HPV subtypes.…”

Section: Discussionmentioning

confidence: 99%

Multiple inverted follicular keratoses as a presenting sign of Cowden's syndrome: Case report with human papillomavirus studies

Ruhoy

Thomas

Nuovo

2004

Journal of the American Academy of Dermatology

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Section: Discussionmentioning

confidence: 99%

Multiple inverted follicular keratoses as a presenting sign of Cowden's syndrome: Case report with human papillomavirus studies

Ruhoy

Thomas

Nuovo

2004

Journal of the American Academy of Dermatology

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“…It is characterized by a pseudo invasive silhouette， which is imparted by the disposition of the stroma. The stroma dissects the epithelial tumor lobules like an invasive carcinoma clinically [4]. Some cases of solitary tricholemmoma may represent a reorganized viral papilloma, as testified by the occasional presence in these cases of signs of cytopathogenic HPV.…”

Section: Discussionmentioning

confidence: 99%

A Case of Solitary Tricholemmoma

Hong-pu¹,

Liang²

2017

JCDSA

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“…'s are indeed very infrequent tumours. 6,15 The total of only 81 cases reported worldwide up to 2012 may in fact represent an underestimation of the actual prevalence of these tumours. It has been reported to occur in several ethnicities, seeming to be more prevalent in males and to favor the 5 th -6 th decades of life.…”

Section: Discussionmentioning

confidence: 99%

“…The amount of desmoplasia is said to vary, but in most cases represents about 20-60% of the tumour. 2,6 It is important not to misdiagnose this pseudoinvasive pattern as an invasive carcinoma. Although some cytological pleomorphism, individual dyskeratosis and cellular necrosis may focally be present, overall, the absence of frank cell atypia and mitotic activity do favor a diagnosis of DTr.…”

Section: Discussionmentioning

confidence: 99%

“…When cells merge on the dense stroma, the lobular pattern is disrupted and cells tend to cluster in irregular cords or nests, with occasional dyskeratosis or necrosis, thus simulating an invasive carcinoma. 2,3,6 The case of a 56 year old Caucasian male who developed a desmoplastic trichilemmoma within a nevus sebaceous of the scalp is presented.…”

Section: Described By Headington and French In 1962mentioning

confidence: 99%

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Triquilemoma Desmoplástico em Nevo Sebáceo do Couro Cabeludo

Tavares‐Bello

Fernandes

2016

SPDV

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RESUMO -Descrito originalmente por Jadassohn em 1895, foi apenas em 1932 que a designação "nevo sebáceo" foi introduzida, por Robinson. Trata-se de um hamartoma congénito relativamente prevalente que, classicamente, evolui por fases de crescimento e maturação (classicamente estão descritas 3 fases: infância <12; adolescência 12-18; adultos >18) e que, do 4º ao 7º decénios pode originar, em 10-30% dos casos), várias neoplasias epiteliais. Muito raramente reportados neste contexto, os triquilemomas são tumores anexiais benignos que se originam ou diferenciam no epitélio da bainha radicular externa folicular. Habitualmente solitários, podem apresentar-se clinicamente como pápulas translúcidas ou queratósicas faciais, em particular na proximidade da pirâmide nasal e dos lábios. A rara variante histológica "triquilemoma desmoplásico" pode simular clinicamente basaliomas (CBC), carcinomas espinhocelulares (CEC), nevos intradérmicos, verrugas virais, cornos cutâneos ou hiperplasias sebáceas e, histologicamente, evocar variantes desmoplásicas de CBCs, CECs e de carcinomas triquilémicos. É apresentado caso de doente eurocaucasiano de 56 anos de idade que apresentava pápulas e nódulos translúcidos assintomáticos, desenvolvidos num nevo sebáceo do couro cabeludo. O estudo histológico revelou uma proliferação lobular com as características clássicas do triquilemoma desmoplásico no seio de um hamartoma sebáceo. O caso é ilustrado iconograficamente e a literatura relevante é sumariamente revista. PALAVRAS-CHAVE -Nevo; Neoplasias das Glândulas Sebáceas; Neoplasias da Pele. Desmoplastic Trichilemmoma arising on a Nevus Sebaceous of the Scalp ABSTRACT -Originally described by Jadassohn in 1895, it was not until 1932 that the term "nevus sebaceous" was introduced by Robinson. It is a prevalent benign congenital hamartoma that classically evolves through discrete phases of growth and that

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Desmoplastic Trichilemmoma

Cited by 46 publications

References 0 publications

Multiple inverted follicular keratoses as a presenting sign of Cowden's syndrome: Case report with human papillomavirus studies

Multiple inverted follicular keratoses as a presenting sign of Cowden's syndrome: Case report with human papillomavirus studies

A Case of Solitary Tricholemmoma

Triquilemoma Desmoplástico em Nevo Sebáceo do Couro Cabeludo

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