骨巨细胞瘤好发于长管状骨的骨骺,发生于髌骨的极为少见。现报道1例如下。 患者男性,23岁。左膝关节酸痛伴行走乏力2月,加重1月伴肿胀,于1985年12月14日入院。体检:左膝关节轻度肿胀,局部皮温稍高,不发红,可触及一6.5×5.5cm之稍肿大的髌骨,压痛(±), Giant cell tumors of the bone occur in the osteophytes of long tubular bones and occur rarely in the tibia. One example is reported below. The patient is male and is 23 years old. Left knee pain with walking fatigue in February, aggravated with swelling in January, admitted to hospital on December 14, 1985. Physical examination: slight swelling of the left knee joint, slightly elevated skin temperature, no redness, palpable slightly enlarged patella (6.5 x 5.5cm), tenderness (±),