Giant-cell tumor of bone

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Giant-cell tumor of bone (GCTOB) is a relatively uncommon tumor of the bone. It is characterized by the presence of multinucleated giant cells. These tumors are generally benign. However, they can be locally aggressive and may recur after surgery.

Epidemiology[edit | edit source]

GCTOB accounts for about 5% of all primary bone tumors. It usually occurs in adults between the ages of 20 and 40. It is slightly more common in women than in men.

Clinical Presentation[edit | edit source]

Patients with GCTOB often present with pain and swelling in the affected bone. The tumor most commonly affects the long bones, particularly the distal femur, proximal tibia, and distal radius.

Diagnosis[edit | edit source]

The diagnosis of GCTOB is usually made based on the clinical presentation, radiographic findings, and histological examination of the tumor. Radiographs typically show a lytic, expansile lesion with a narrow zone of transition. Histologically, the tumor is composed of a mixture of mononuclear stromal cells and multinucleated giant cells.

Treatment[edit | edit source]

The treatment of GCTOB typically involves surgery to remove the tumor. In some cases, adjuvant therapy with radiation or medications may be used to reduce the risk of recurrence.

Prognosis[edit | edit source]

The prognosis for patients with GCTOB is generally good. However, the tumor can be locally aggressive and may recur after surgery. In rare cases, GCTOB can metastasize to the lungs.

See also:


Giant-cell tumor of bone Resources

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Contributors: Prab R. Tumpati, MD