Basal cell carcinoma presents as which characteristic lesion?

Prepare for the PANCE Precision Exam. Study with flashcards and multiple choice questions, each question has explanations and tips. Ensure success on your exam!

Multiple Choice

Basal cell carcinoma presents as which characteristic lesion?

Explanation:
Basal cell carcinoma typically presents as a pearly, translucent papule on sun-exposed skin. The surface is shiny and waxy, with a central area that ulcerates or crusts and a raised, rolled border. Telangiectatic vessels are often visible within the lesion, and it may bleed easily with minor trauma. This combination—pearly translucence, central ulceration, raised border, and visible telangiectasias—is classic for basal cell carcinoma and helps distinguish it from other skin lesions. The other descriptions don’t fit as well: a purple lesion suggests a vascular or pigmented tumor such as Kaposi sarcoma; a flat pigmented patch on the trunk points toward lentigo or a melanoma/nevus; a scar-like lesion could be a morpheaform (sclerosing) variant of BCC or another scar-like condition but lacks the typical shiny, translucent surface with telangiectasias.

Basal cell carcinoma typically presents as a pearly, translucent papule on sun-exposed skin. The surface is shiny and waxy, with a central area that ulcerates or crusts and a raised, rolled border. Telangiectatic vessels are often visible within the lesion, and it may bleed easily with minor trauma. This combination—pearly translucence, central ulceration, raised border, and visible telangiectasias—is classic for basal cell carcinoma and helps distinguish it from other skin lesions.

The other descriptions don’t fit as well: a purple lesion suggests a vascular or pigmented tumor such as Kaposi sarcoma; a flat pigmented patch on the trunk points toward lentigo or a melanoma/nevus; a scar-like lesion could be a morpheaform (sclerosing) variant of BCC or another scar-like condition but lacks the typical shiny, translucent surface with telangiectasias.

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