Eruptive xanthomas associated with isotretinoin (13-cis-retinoic acid).
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Biomedical subjects
Publications and source records attributed to S M Connolly.
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Fourteen children with generalized morphea involving all levels of the skin and soft tissues were examined. The term "acral pansclerotic morphea" describes the distribution and the multiple levels of sclerosis. Lymphocytic inflammation and hyaline pannicultitis were observed on biopsy specimens in some cases. Laboratory data were characterized by a polyclonal elevation of gamma-globulin level and by peripheral eosinophilia. Pulmonary changes in five patients and esophageal changes in one imply that acral pansclerotic morphea may be assoicated with mild nonprogressive visceral change. Although cyclophosphamide may retard the process, no satisfactory treatment for progressive, mutilating acral pansclerotic morphea has been found.
Study of 14 patients with prurigo nodularis revealed that clinically the lesions were multiple, verrucous, and discrete and were set in normal-appearing skin. Microscopically, the lesions showed a vascular acanthomatous mass. The dermal nerves showed a tendency toward hyperplasia in parallel with the epidermal and vascular changes, but no evidence of neuroma formation was seen. Electron microscopic examination showed disorganization of the normal pattern of the myelin sheaths and axons of the dermal papillary nerves. The presence of epidermal mast cells was noted in the biopsy specimens of prurigo nodules from eight of the 14 patients.