Post-radiation lower motor neuron syndrome.

Unlabelled: Objective To describe the clinical features of four patients we encountered with post-radiation lower motor neuron syndromes and to review the related literature BACKGROUND.: Radiation therapy for malignant neoplasms has been associated with a post-radiation lower motor neuron syndrome (PRLMNS). The earliest descriptions date back to World War II.

Cylindrical spirals of myofilamentous origin associated with exertional cramps and rhabdomyolysis.

We describe the presence of cylindrical spirals on muscle biopsy from a 31-year-old man who developed rhabodomyolysis following a long run. He had a prior history of exertional cramps and myoglobinuria. His maternal grandfather had similar symptoms.