National Leprosy Eradication Programme

According to the National Leprosy Eradication Programme (NLEP) in India, what is the current classification system used for leprosy case detection and treatment?

Under the National Leprosy Eradication Programme, what is the minimum duration of multibacillary (MB) leprosy treatment with fixed-duration MDT regimen?

A 32-year-old male farmer from rural Maharashtra presents with a single hypopigmented macule on his left forearm with loss of sensation over the lesion. On examination, the lesion measures 4 cm × 3 cm with well-defined borders and no visible nerve thickening. Slit-skin smear is negative for acid-fast bacilli. Based on the National Leprosy Eradication Programme (NLEP) classification, what is the most appropriate diagnosis and initial management?

A 28-year-old woman from Uttar Pradesh presents with multiple hypopigmented macules (8 lesions) distributed over her trunk and limbs. On examination, several peripheral nerves (ulnar, posterior tibial) are palpably thickened and tender. Slit-skin smear from the lesion shows 2+ acid-fast bacilli. She has no signs of nerve damage or deformity. According to the National Leprosy Eradication Programme, what is the most appropriate MDT regimen and duration?

A 38-year-old male farmer from rural Maharashtra presents with a 6-month history of hypopigmented macules on his face, trunk, and extensor surfaces of arms. On examination, the lesions are well-demarcated, and sensory testing reveals diminished sensation over the lesions. Slit-skin smear shows 4+ acid-fast bacilli. He has no nodules, eye involvement, or nerve thickening. According to the National Leprosy Eradication Programme (NLEP) classification, what is the most appropriate treatment regimen for this patient?