Hypopigmented lesions in early leprosy--a clinical and histological study.
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1990-10-01
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26 Patients of leprosy presenting with hypopigmented lesions were divided on morphological grounds into 3 Sub groups, Group I (9 patients) with well-defined single patch with moderate to complete sensory loss; Group II (8 patients) with single ill-defined lesion having partial sensory loss; and Group III (9 patients) having multiple hypo-pigmented patches with mild to moderate sensory loss. Epidermal atrophy was a conspicuous histological finding in all groups. Only patients in Group I showed epitheloid cells in dermal infiltrate with erosion of epidermis in one case. This group may be labelled as maculoanesthetic leprosy. Patients in Group II and III showed mononuclear cell infiltrate in dermis, around neurovascular bundles and appendages. They were histologically consistent with indeterminate leprosy. Follow-up biopsy after six to eight months of treatment showed healing of the lesion of reduction in the infiltrate in most cases.
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Agarwal US, Handa AK, Mathur D, Mehta RD, Mittal A, Dhar N, Mathur NK. Hypopigmented lesions in early leprosy--a clinical and histological study. Indian Journal of Leprosy. 1990 Oct-Dec; 62(4): 416-21