Pigmented penile papules with carcinoma in situ changes

Area of Science:

• Dermatopathology
• Urologic Oncology

Background:

• Carcinoma in situ (CIS) of the penis represents a pre-invasive malignancy.
• Early detection and accurate diagnosis are crucial for effective management.

Observation:

• Three patients presented with multifocal, pigmented penile papules.
• These lesions exhibited a clinically benign appearance.

Findings:

• Histopathological and electron microscopic examination revealed changes consistent with penile carcinoma in situ.
• The multifocal and pigmented nature of these papules is noteworthy.

Implications:

• This presentation highlights a potentially underrecognized clinical manifestation of penile CIS.
• Understanding the pathogenesis may aid in early diagnosis and treatment strategies for penile cancer.