Category Archives: Skin Infections

Other dermatoses

Kerion

History

          An 18-year-old male living in a rural area had long contact with domestic animals presented with a large, rounded, pinkish, oozing nodule with pus exuding from the orifices of hair follicles of more than one month duration on the side of the neck. It was associated with partial hair loss and retroauricular lymphadenopathy.
* Courtesy Dr. Khalil Al-Hamdi

Tinea corporis

History

      A middle-aged housewife presented with an irregular-shaped red scaly patch composed of few concentric rings on the extensor aspect of the forearm of three months duration. She gave history of previous tinea corporis involved a nearby area to the present lesion which had been successfully treated one year ago.

Tinea faciei

History

          A middle-aged-woman presented with pruritic, circinate, erythematous, scaly patches involved major part of the face of three months duration. KOH prepared scales showed many fungal hyphae and spores. Treatment with oral griseofulvin was successful.
* Courtesy: Dr. Khalil Al-Hamdi

Ecthyma

History

         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.

Herpes zoster

Herpes zoster2

Herpes zoster3

History

         Painful, unilateral, vesiculopustular lesions on a background of erythema involving the lower back, buttock, upper thigh and lower abdomen (suprapubic region) of 4-5 days duration. Two to three days before rash onset it has been preceded by severe burning sensation and pain in the affected areas. It is noteworthy to notice the rash respectability to the midline both anteriorly and posteriorly.

Furuncle (Boil)

History

          A 4-year-old girl presented with a very painful and tender red swelling with a central pustule on the anterior aspect of the lower part of the forearm of three days duration. It was associated with a tender axillary lymphadenopathy. The lesion had been drained with a simple small incision under local anesthesia with an anti-staphylococcal antibiotic.

Scrofuloderma

History

          A young adult male (23-y-old) presented with chronic, indolent, inflammatory discharging nodules on the neck of about two years duration. Some older lesions have left scarring behind. Cervical lymph nodes were enlarged and skin biopsy showed dermal tuberculoid granulomas.