Blueberry muffin baby

Blueberry muffin baby2

History

          A 2-week-old neonate born with generalized dark blue to magenta, nonblanchable, indurated, round to oval, hemispheric purpuric papules and plaques ranging from 1 mm to 1 cm. The lesions favored the face, trunk and limbs. There was no identifiable underlying cause.
         The main etiologic factors include congenital infections (rubella, cytomegalovirus, and parvovirus B19), hemolytic disease of the newborn (Rh incompatibility, blood group incompatibility), hereditary spherocytosis, neuroblastoma, rhabdomyosarcoma, Langerhans cell histiocytosis, and congenital leukemia.

Verrucous epidermal nevus

History

         A warty brown-black linear plaque involved the lower part of left ear was noted since birth. With the passage of time the lesion became darker in color and had acquired more triangular shape. There were no associated cutaneous or systemic abnormalities.

Tinea imbricata

History

          A 30-year-old man presented with concentric red scaly rings on the abdomen of two months duration. KOH smear was positive for fungal hyphae and spores. Tinea imbricata (Tokelau) is a superficial fungal infection caused by anthropophilic dermatophyte named Trichophyton concentricum.

Systemic lupus erythematosus

History

          A 12-year-old girl presented with fever, arthralgia and butterfly erythematous rash affected the face of two months duration. Her ESR was 60 mm/hr and the ANF and Anti-dsDNA antibody were positive.

Pityriasis versicolor

History

         A 35-year-old woman presented with an asymptomatic, circinate red patches with fine scales involved the trunk of many months duration. Three 150 mg capsules of Sporanox (Fluconazole) one week apart had cleared the rash.

Common, interesting and rare dermatoses presented in simple way by Dr. Nameer Al-Sudany