All posts by Ahmed

Medical Student

Tinea cruris and mannum

History

         Many clinical types of tinea infections may associate with each other i.e one type may predispose to other  and so may present in any combination, these types are: tinea cruris, tinea pedis, tinea unguium and tinea mannun. The current case is an example of such combinations (tinea cruris and tinea manum) of three months duration. KOH was positive and excellent response to systemic griseofulvin was obtained.

Periungual fibroma

History

           Periungual fibromas usually seen in the context of tuberous sclerosis. They arise from the nail folds and usually appear in late childhood. However, sporadic cases of fibromas may occur in persons without tuberous sclerosis as in the presented case of a young adult lady with one year history of a digitate growth originated in the proximal nail plate and extended to the nail plate surface resulted in a longitudinal groove.

Tattoo allergic reaction

History

         A young lady presented two weeks after a professional-made tattoo on the dorsal surface of the hand with red tattoo reaction. The reaction was in form of pruritic scaly dermatitis confined to the red portion of the tattoo. Cinnabar (mercuric sulfide) or mercury is the pigment used to give the red color of tattoo and the red tattoo is the most common cause of delayed allergic reaction in tattoos.

Schamberg’s disease

History

          A 45-year-old woman presented with a symptomatic bilateral symmetrical red-brwonish purpuric rash involved both feet and lower legs of one year duration. She had no associated cutaneous lesions or systemic diseases.

Shrapnel’s injury

History

          First look to the presented image may give you an impression that this is a case of nevus comedonicus. However, this boy unfortunately had been subjected to shrapnels’ (shells) injury caused by a nearby bomb’s blast  two months prior to the presentation. On close examination many black dots and spots intermingled with many atrophic scars confined to one side of the anterior trunk.

Pompholyx

History

          A 40-year-old man suffered frequent episodes of very pruritic, deep-seated, thick-roofed vesicles and bullae confined to the palms of both hands within last three years. Most exacerbations occurred at hot summer months. Each attack persists for three to four weeks and resolutes.