Does Paget's disease affect a single vertebra?

摘要

Paget's disease is a metabolic disorder characterized by abnormal osseous remodelling and is an uncommon cause of back pain We are reporting a rare case of monoosteotic presentation of Paget's disease in a vertebral body, in which back pain is the main symptom. A 50 year old male, presented with one year history of lower back pain. The pain was insidious in onset and gradually progressed with pain radiating along the medial aspect of both the thighs and knees. Pain used to aggravate with standing, walking and relieved with rest and medication. Pain was associated with paraesthesias radiating along the medial aspect of both thighs and knees. He had no other systemic complaints. Physical examination revealed gibbus deformity at the lumbar region and the paraspinal muscles were taut and tender. The movements of the lumbar spine were restricted. Neurological examination revealed bilateral hip flexor weakness (grade 4/5). There was a 25% decrease in sensations in both the L3 dermatomes.