A child presents with a lesion on the face as depicted on the PLATE. The biopsy from the lesion is also shown. What is the most probable diagnosis?
High-Yield Explanation
ANSWER: (C) Indeterminate LeprosyREF: IAL textbook of leprosy P:157CAUSES OF HYPOPIGMENTED WHITE LESION ON FAE OF CHILD* Pityriasis Alba* Vitiligo* Indeterminate Hansen* Albinism* Halo nevus* Post-kala-azar dermal leishmaniasis* Seborrheic dermatitis* Pityriasis Versicolor See PLATE - KEY INTERMEDIATE LEPROSY(A) Morphology: It appears as poorly defined areas of slight hypopigmentation or erythema, without systemic or neural changes. The condition is only likely to be recognized readily in endemic areas where there is a high awareness of leprosy. (B) Microscopy: Scanty superficial and deep lymphohistiocytic infiltrate in the dermis, with some tendency to localization around appendages. Bacilli are infrequent but scantily present in nerves. Perineural & peri appendageal inflammatory infiltrate consisting of lymphocytes and histiocytes.