A case of erythema elevatum diutinum in 30-year old male was described. Reviewing literatures, this disease is very rare and is the first case to be reported in Korea.
There were persista it elevated hard brownish red nodulo-infiltrated . plaques which were symmetrically distributed especially over the shins, elbows, knees, ear lobes, buttocks, and dorsal surfaces of the hands, feet, fingers, and toes, accompanied by occasional mild -itching. These skin eruption were started from the erythematous papulo-vesicular macules which developed on the left shin and wrist about 7 years previously. He has also had a long-standing encapsulated pleural effusion with marked pleural thickening in left lower chest which was diagnosed 3 years ago.
The serum IgG was noted to be increased. Histological examination of skin lesions revealed leucocytoclastic angiitis and severer perivascular fibrosis in older lesions.
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