not-yet-known not-yet-known not-yet-known unknown Methods Routine laboratory investigations of the case were within normal limits.Histopathological examination of skin biopsy from right inframammary region showed hyperkeratosis, orthokeratosis, focal parakeratosis and thinning of suprapapillary epidermis. The epithelial strands extend into the superficial dermis from the epidermis and hair follicles resulting in an ‘antler like’ pattern (Figure 1 d).Basal hyperpigmentation and mild perivascular lymphocytic infiltration in dermis were also noted.