Leprosy · NEET PG Preparation Dermatology
A 35-year-old male presents with multiple hypopigmented, anesthetic patches over his trunk and extremities. Skin slit smear is positive for acid-fast…
Practice question from Leprosy (NEET PG Preparation Dermatology), with the correct answer and a step-by-step solution.
medium · MCQ · Q-2D33DC
A 35-year-old male presents with multiple hypopigmented, anesthetic patches over his trunk and extremities. Skin slit smear is positive for acid-fast bacilli with a Bacteriological Index (BI) of 3+ and Morphological Index (MI) of 0%. According to the Ridley-Jopling classification, which is the most likely diagnosis?
- A.Indeterminate leprosy
- B.Borderline tuberculoid leprosy
- C.Borderline borderline leprosy
- D.Borderline lepromatous leprosyCorrect answer
Solution
Borderline lepromatous (BL) leprosy typically presents with numerous asymmetric lesions (macules, papules, plaques, and 'Swiss-cheese' or punched-out lesions) and a moderate to high bacterial load (BI often 3+ or higher). Indeterminate leprosy has very few hypopigmented macules with negative or rare AFB. Borderline tuberculoid (BT) has fewer, well-defined lesions with a low BI (usually negative or 1+).
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