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[Acute course of arthropathia syringomyelica. A case history contribution to the differential diagnosis of acute affection of the shoulder joint (author's transl)].

Basing on own observations of a typical base, the article presents the clinical and X-ray symptoms of an acute arthropathia syringomyelica of only 3 weeks' duration. Differential diagnosis of inflammatory or tumorous processes of the shoulder joint is performed and it is pointed out that accurate diagnosis is possible despite the rare occurrence of the condition. Contrary to the opinion held by other authors, the present study seems to permit the interpretation that destruction of the joint originates from the bony joint mouse.