Basal Cell Carcinoma

The known risk factors are:
* Chronic sun exposure
* Phototype skin I / II
* Treatment with radiation therapy
* Ingestion of arsenic chronically
* Immunosuppression
* Genetic predisposition:
– Gorlin syndrome or multiple basal cell nevus
– Bazex syndrome
– Xeroderma pigmentosum

Diagnosis and differential diagnosis
Preliminary diagnosis is clinical basal cell carcinoma. It is essential to know the existence of other types of presentation in addition to the characteristic pearly papule. Definitive diagnosis is by histological confirmation by biopsy.

The differential diagnosis of basal cell carcinoma is wide due to the diverse clinical manifestations. Arises mainly with the following entities:
* Actinic Keratosis
* Seborrheic Keratosis
* Tumors of skin appendages
* Giant Melanocytic
* Melanoma
* Bowen’s Disease
* Squamous cell carcinoma

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