A 35-year-old woman presented with a 2-year-old hyperkeratotic plaque which had started spreading from a small papule that developed after she had a roadside fall. The lesion spread in an annular form and had a watery surface and started developing around three months after her fall. The lesion also began showing signs of ulceration. Leprosy was ruled out as she had no history of visiting areas endemic for leprosy and had no family history. She did not complain of any tingling, numbness, dry eyes, reduced sweating, hair loss or epistaxis.
The erythematous annular hyperkeratotic plaque measured about 4 × 5 cm, was present on the left side of her forehead and had a watery surface (Image A). Crusting and a small scar were also noted at the periphery. No lymphadenopathy was observed. No hypopigmented lesions, loss of sensations, or nerve enlargement was observed. Tuberculin skin test was…
