Acquired , Bilateral Nevus of Ota - like Macules : A Clinical and Histopathological Observation / 대한피부과학회지

We observed the clinical and histopathologic characteristics of acquired, bilateral nevus of Ota-like macules in each 80 and 23 patients. The results were as follows: 1. All patients were female and the peak age of onset was third decade with an a,verage age of 27.4 years. 2. The colors of lesions were slate, brown, dark brown, and blue black in order of freguency. 3. The lesions were most comrnonly observed in the malar area and alae nasi. 4. Three patients had family history of acquired, bilateral nevus of Ota-like :macules. 5. Histopathologically pigment-bearing cells, bipolar or irregular in shape, were found mostly in the upper- and mid-portion of the dermis. The melanocytes showed weakly positive dopa reaction. 6. In electron microscopic observation, these pigrnent-bearing cells contained many singly dispersed melanosomes in stage 3 and 4 of melanization and wece surrounded by an extracellular sheath.

Two Cases of Eccrine Spiradenoma / 대한피부과학회지

She describe herein two cases of eccrine spiradenoma. One is an indolent and the other is painful or tender multiple small nodules distributed in a zosteriform pattern. Histopathologically, the encapsulated lobules of the tumor are composed of two types of cells, intensely staining cells and pale staining cells, usually arranged in whorls, cords, and pseudoglands. In the second case, enzyme histochemical staining and electron microscopic examination have been done and are compared with other cases in the literature.

Two Cases of Mercury Dermatitis Following Amalgam Dental Restorations / 대한피부과학회지

Sensitivity to mercury appears to be not uncommon and perhaps the commonest contact with mercury in the general population is by amalgam dental restorations. Recently, we have experienced 2 cases of mercury dermatitis following amalgam dental restorations which were confirmed by the patch test. We report our cases with the patch test results and review the literatue on previous reports.

A Case of Acute Febrile Neutrophilic Dermatosis / 대한피부과학회지

A case of acute febrile neutrophilic dermatosis (Sweet's syndrome) characterized by tender erythematous plaques on the face, neck, and limbs was reported. This 43-year-old male patient has been suffering from fever and sore throat prior to development of skin lesions. Positive laboratory findings were polymorphonuclear leukocytosis and elevated erythrocyte sedimentation rate. The symptoms well responded to corticosteroid therapy.