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  Indian J Med Microbiol
 

Figure 3: (a and c) Skin punch biopsy is showing epidermis with orthokeratosis, mounds of parakeratosis, fibrin plugging, and stratum spinosum showing dyskeratotic keratinocytes. (b) The papillary dermis shows moderate perivascular mixed inflammatory infiltrate comprising lymphocytes, neutrophils, and nuclear debris along with pigment incontinence. (d) Colloidal iron stain for mucin was weakly positive (H & E, ×40, ×100 & ×400; Colloidal iron, ×100)

Figure 3: (a and c) Skin punch biopsy is showing epidermis with orthokeratosis, mounds of parakeratosis, fibrin plugging, and stratum spinosum showing dyskeratotic keratinocytes. (b) The papillary dermis shows moderate perivascular mixed inflammatory infiltrate comprising lymphocytes, neutrophils, and nuclear debris along with pigment incontinence. (d) Colloidal iron stain for mucin was weakly positive (H & E, ×40, ×100 & ×400; Colloidal iron, ×100)