설골에 발생한 양성 거대세포종양 치험 1례

Giant cell tumor is a tumor involving extremities, especially lower extremities but rarely in the neck area. These tumors occur over 20 years age, female predominent, in oriental than in western. The tumor grow fast and the symptoms were developed less than 1 year before the operation. No distant metastases are reported, although there was local recurrence after mass excision.

Histopathologically, the giant cell tumor has the features of osteoclasts within a fibrous connective tissue stroma, metastatic bone formation and neovascularization. Also it is distinguished from malignant giant cell tumors by observing no feature of a high degree of cellularity of the stromal spindle cell tissue and no presence of numerous mitoses.

Recently, the authors experienced a case of giant cell tumor of the hyoid bone in 32-year old female presenting left painless palpable mass which is noted 3 months ago.