Tinea barbae

History

         A 25-year-old man presented with pruritic, erythematous plaque studded with pustules in the beard of three months duration. KOH mount preparation showed fungal hyphae and spores and the condition responded very well to systemic griseofulvin therapy.

Mycosis fungoides

History

          A 43-year-old woman presented with a solitary, asymptomatic, brownish red, indurated plaque with multinodular surface and irregular well-demarcated outline on the thigh of one year duration. Skin biopsy was consistent with MF plaque stage.

Vitiligo

History

           A 23-year-old male  suffered large patches of depigmentation affecting the neck, upper back and the chest of three years duration. The whitish patches are sharply demarcated with some residual brownish areas within.

Acneiform eruption

History

           A 26-year-old female presented with an asymptomatic but cosmetically-bothering monomorphous papulopustular rash involved mainly the upper trunk and shoulders of one month duration. The patient gave history of previous oral corticosteroid intake for respiratoy allergy.

Tinea incognito

Tinea incognito2

History

          A 4-year-old woman  had been treated wrongly with potent topical corticosteroid after being diagnosed as foot eczema. Later she presented with red scaly pruritic plaques on the dorsum of the foot (Psoriasiform or eczematous-like rash). KOH mount preparation of lesional scales yielded positive results of tinea infection (hyphae and spores). She responded well to systemic antifungal therapy.

Stevens Johnson syndrome

SJS2

SJS3

History

          An 38-year-old lady presented in a bad general state, dehydrated, febrile and severe bullous reaction of three days duration after one intramuscular injection of an antibiotic (Cefotaxime?). She had severe mucous membrane involvement with swelling and denudation (mouth, conjunctivae and vagina) in addition to severe blistering of the skin with many target lesions.

Livedo reticularis

History

        A 24-year-old lady presented for the first time with cyanosis of the skin in a net-like or marbled appearance localized to the dorsal surface of both feet. She had no underlying hematological, connective tissue or other systemic disease.

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