Unlabelled: The neurologic symptoms that appear due to paraneoplastic syndrome may give manifestations of undiagnosed tumor, and give an opportunity for early detection and treatment of it.
Case Presentation: Here the authors present a case of a 54-year-old woman who suffered from rapidly progressive muscle weakness, accompanied by right third cranial nerve palsy.
Clinical Discussion: The nerve conduction study consistent with multiple mononeuropathy, and laboratories revealed undiagnosed diabetes mellitus but elevated erythrocyte sedimentation rate and the rapid progression prompted for additional investigations.