A 3-month-year old female infant presented with a solitary small oval superficial punched-out ulcer with crusted base involved the neck flexure of 10 days duration. Oral cephalexin and topical fusidic acid cream for 10 days has cured this ulcer.
An 8-year-old girl presented with a slowly growing unilateral well-demarcated reddish-brown scaly indurated plaque involved one cheek and the nose of more than one year duration. Tuberculin test was positive and skin biopsy revealed a tuberculoid granuloma.
A one-week-old neonate presented with scattered pustules and raw erosions on the trunk and face of two days duration. Cure reached after one week oral cloxacillin and topical fusidic acid cream treatment.
A 40-year-old man presented with asymptomatic, well-demarcated, red-brownish patches involved both axillae and both crural areas of many months duration. A characteristic coral red flourescence under wood’s lamp was seen.
A 4-year-old boy presented with asymptomatic, red crusted patches involved the periorbital region of three days duration. An oral cephalosprine suspension (Cefodox) plus fusidic acid ointment for one week gave excelllent result.
This 2-year-old baby presented with multiple erythematous patches covered with yellow crusts that spread quickly within 3 days to involve the periorificial areas around the mouth and nose. The following features are good clues to the diagnosis of impetigo contagiosum which commonly occurs in children:
A 48-year-old man had been stung by a wasp. He immediately developed painful and tender red swelling. Three days later a small ulcer developed. After 10 days he presented with a painful and tender punched out ulcer with red border and purulent base. Swab taken from the ulcer margin showed S. aureus on culture.
A 27-year-old male presented with a rounded, slightly scaly, brownish patch involved one axilla of three months duration. KOH examination was negative and the lesion showed coral red fluorescence under wood’s lamp.