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  Indian J Med Microbiol
 

Figure 3:(a) Histopathology showing increased melanization of the basal layer and oval-to-spindle-shaped cells with granular cytoplasm in the upper and lower dermis (hematoxylin and eosin, 400×). (b) Numerous mast cells with metachromatic granules in the upper dermis and hyperpigmentation of the basal layer (toluidine blue, 400×)

Figure 3:(a) Histopathology showing increased melanization of the basal layer and oval-to-spindle-shaped cells with granular cytoplasm in the upper and lower dermis (hematoxylin and eosin, 400×). (b) Numerous mast cells with metachromatic granules in the upper dermis and hyperpigmentation of the basal layer (toluidine blue, 400×)