Context Inflammatory myopathy, such as polymyositis, has been widely reported as paraneoplastic syndrome associated with various malignancies. However, its association with pancreas adenocarcinoma is very uncommon. Case report A case of a patient with paraneoplastic polymyositis of both legs associated with pancreatic adenocarcinoma is reported here. The diagnosis of polymyositis was highlighted by MRI and confirmed by histopathological examination. The surgical resection of the primary tumor led to the complete resolution of polymyositis with no further recurrence despite later metastases. Conclusion The association between pancreatic cancer and paraneoplastic polymyositis is very uncommon and has to be recognized by clinicians.
Koceila Lamine Amroun, Louis de Mestier, Sophie Deguelte-Lardiere, Marie-Danièle Diebold, Olivier Bouché, Reza Kianmanesh
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