Which condition is characterized by smooth, flat, moist white lesions on the genitals?

Prepare for USMLE Step 1 Pathology Exam with comprehensive quizzes, flashcards, and detailed explanations. Enhance your understanding and be exam-ready!

The condition characterized by smooth, flat, moist white lesions on the genitals is indeed associated with condylomata lata. These lesions are often found in cases of secondary syphilis, which is a sexually transmitted infection caused by the bacterium Treponema pallidum. The moist, wart-like lesions typically appear in areas where skin and mucous membranes come into contact, such as the genital and perianal regions.

In secondary syphilis, these lesions are distinct from other conditions that may affect the genital area, such as those caused by human papillomavirus (HPV), which usually results in raised, warty lesions known as condylomata acuminata. The appearance of condylomata lata is smooth and flat, and they may be accompanied by other systemic symptoms associated with secondary syphilis such as rash, fever, and lymphadenopathy. This helps differentiate it from other conditions listed.

Gout is characterized by the accumulation of uric acid crystals in joints, leading to painful inflammation, and does not present with genital lesions. Scurvy, resulting from vitamin C deficiency, and osteoarthritis, a degenerative joint disease, also do not produce the specific type of genital lesions seen in secondary syph

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