A Case of Interosseous Membrane Calcification.

A 69-year-old male presented with complaints of progressive easy fatigability, low back ache and pain in the right forearm for the past one year. He had associated swelling of legs for the past three months and had noticed a decrease in his urine output. He never had any other associated joint pains, burning micturition or oral ulcers. He was hypertensive and was on medical treatment, with no other co-morbid illnesses. Examination revealed pallor and bilateral pitting pedal oedema. Vitals were within normal limits. Systemic examination was unremarkable. Musculoskeletal examination revealed bony tenderness over the L3 – L4 spine with no obvious swelling and tenderness over the lower half of the right forearm. There were no visible deformities.