石骨症较少见，我院遇1例，报告如下。病例男，72岁。以发烧、腹疼就诊．平时健康，四肢轻酸疼，无其他不适。查体肝大明显，到实下5cm．临床实验室检查未见异常。X线检查：全身骨胳广泛致密硬化，肋骨、锁骨致密（图1）。骨盆、长短管状骨皮质增厚致密，”腔变窄（图2、3）。X Less common in osteopetrosis, I met a hospital, the report is as follows. Case male, 72 years old. To fever, abdominal pain treatment. Usually healthy, light and sore limbs, no other discomfort. Physical examination obvious liver, to the real next 5cm. Clinical laboratory tests showed no abnormalities. X-ray examination: The whole body extensive and dense sclerosis, rib, clavicle dense (Figure 1). Pelvis, the length of tubular cortical thickening, "cavity narrowing (Figure 2,3)