Pigmented squamous cell carcinoma: case report and importance of differential diagnosis
An. bras. dermatol
; An. bras. dermatol;93(1): 96-98, Jan.-Feb. 2018. graf
Article
in En
| LILACS
| ID: biblio-887168
Responsible library:
BR1.1
ABSTRACT
Abstract A few cases of pigmented squamous cell carcinoma affecting the skin and the ocular and oral mucosa of the elderly have been described in the literature. The disease manifests itself as papular and nodular erythematous or pigmented lesions. The main clinical differential diagnoses are pigmented basal cell carcinoma and melanoma. Histopathological examination is characterized by proliferation of atypical squamous cells with formation of horn pearls permeated by dendritic melanocytes. For this reason, a careful diagnosis is necessary to rule out other tumors that show melanin pigment. Surgical removal is the indicated treatment and the prognosis is similar to the classical squamous cell carcinoma. We report a case of pigmented squamous cell carcinoma with diagnosis confirmed by histological and immunohistochemical examinations.
Key words
Full text:
1
Collection:
01-internacional
Database:
LILACS
Main subject:
Skin Neoplasms
/
Carcinoma, Squamous Cell
Type of study:
Diagnostic_studies
/
Prognostic_studies
Limits:
Aged
/
Humans
Language:
En
Journal:
An. bras. dermatol
Journal subject:
DERMATOLOGIA
Year:
2018
Document type:
Article
Affiliation country:
Brazil
Country of publication:
Brazil