[A case for diagnosis: dermal epithelioid and gigantocellular granuloma].
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Biomedical subjects
Publications and source records attributed to F Escallier.
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Onycholysis is the detachment of a nail plate from its distolateral attachments. There are numerous aetiologies: congenital, traumatic, microbial, toxic, dermatological, systemic and benign or malignant tumours. We report a case with onycholysis of the ring-fingers of both hands whose symmetrical and bilateral characteristics temporarily confused the diagnosis.
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Over the past 20-years, it has been shown that the majority of patients with dermatitis herpetiformis (D.H.) suffer from coeliac disease of varying intensity. Dermatitis herpetiformis may also be associated with other autoimmune diseases but only exceptionally with chronic ulcerative colitis (U.C.).
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Extramedullary plasmocytomas are ubiquitous plasmocytic tumours which are principally located in bones and mucosae but rarely found on the skin. Clinically, they present as purplish-blue cutaneous nodules or, less frequently, as papular or urticarial eruptions. The diagnosis rests on histology and immunostaining. Cutaneous plasmocytomas are usually divided into two types: (1) primary plamocytomas which occur in the absence of myeloma, present as solitary or multiple skin tumours, accompanied or not by monoclonal gammopathy, and have an imperfectly known course and prognosis; (2) secondary plasmocytomas--a case of which is reported here--which appear in the course of a large tumoral mass myeloma and have a very poor prognosis.