Page 57 - SPEMD_60-4

Revista Portuguesa de Estomatologia,
Medicina Dentária e Cirurgia Maxilofacial

rev port estomatol med dent cir maxilofac. 2019;60(4):205-209

Case report

Trichilemmoma of the perioral area – Case report

a
a
c
Filipe Freitas a,b, *, Saudade André , André Pereira , André Moreira , Duarte Marques a,b,d ,
João Caramês a,b,d
a Instituto de Implantologia, Lisbon, Portugal
b Faculdade de Medicina Dentária, Universidade de Lisboa, Lisbon, Portugal
c Unidade de Diagnóstico Histológico e Citológico, Lisbon, Portugal
d LIBPhys-FCT UID/FIS/04559/2013

a r t i c l e i n f o a b s t r a c t

Article history: The trichilemmoma is a benign cutaneous epithelial tumor that results from a hamar-
Received 28 September 2019 tomatous proliferation of cells from the hair follicle. The multiplication of glycogen-rich
Accepted 8 November 2019 clear cells causes a papular or nodular lesion of the skin. Trichilemmomas may be
Available online 20 December 2019 solitary or multiple (associated with Cowden’s syndrome). The desmoplastic trichilem-
moma is a histologic variant that resembles invasive carcinomas such as trichilemmal
Keywords: carcinoma, basal-cell carcinoma or squamous-cell carcinoma. A 68-year-old male pre-
Cowden’s syndrome sented with an asymptomatic ulcerated papule in his perioral area, after being referred
Desmoplastic trichilemmoma to an oral surgeon by his dental hygienist. The lesion was excised and the histopatho-
Trichilemmal carcinoma logic examination led to the diagnosis of conventional trichilemmoma. At the 1-year
Trichilemmoma follow-up, the patient was free from recurrence. (Rev Port Estomatol Med Dent Cir
Maxilofac. 2019;60(4):205-209)
© 2019 Sociedade Portuguesa de Estomatologia e Medicina Dentária.
Published by SPEMD. This is an open access article under the CC BY-NC-ND license
(http://creativecommons.org/licenses/by-nc-nd/4.0/).

* Corresponding author.
E-mail address: filipefreitas@institutoimplantologia.com (Filipe Freitas).
http://doi.org/10.24873/j.rpemd.2019.12.686
1646-2890/© 2019 Sociedade Portuguesa de Estomatologia e Medicina Dentária. Published by SPEMD.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).