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Giant Cell Tumor in a Patient with Osteopetrosis: A Case Report

Andalib A and Rahimian A

Introduction: Osteopetrosis, a rare disorder due to osteoclast dysfunction, which causes bone resorption dysfunction. These patients have brittle bones prone to osteomyelitis.

Case presentation: A 14-years male referred with complaint of chronic low back pain. He was treated with analgesics but with no pain relief, thus imaging was requested and a mass at the site of left body and pedicle of L5 was detected. The patient underwent tumor resection. The mass was diagnosed as giant cell tumor (GCT).

Conclusion: Due to the association of osteoclast dysfunction with both GCT and osteopetrosis, patients with osteopetrosis may be at higher risk of GCT.