患者男,46岁。“反复右足跟部疼痛10月余”入院。患者于10个月前无明显诱因出现右足跟部疼痛,无放射痛,于活动后加重,休息后减轻,疼痛逐渐加重并肿胀。CT检查示(图1A、B):右跟骨内见团块状软组织密度影,病灶中央区CT值约37 HU,边界清楚,最大截面约7.0 cm×4.5 cm×2.9 cm,呈膨胀性生长,右跟骨外缘骨皮质不连续。既往体健,病史无特殊。入院体格检查:T 36.5℃,P 84 bpm,R 20 Male patient, 46 years old. “Repeated right heel pain more than 10 months ” admission. The patient had no pain in the right heel and no pain after 10 months. He had aggravating after the activity and relieved after the rest. The pain gradually increased and swelled. CT examination (Fig. 1A, B): soft tissue density in the right calcaneus block mass, the central lesion CT value of about 37 HU, clear boundary, the maximum cross section of about 7.0 cm × 4.5 cm × 2.9 cm, was swollen growth , The right cortex outer cortical bone is not continuous. Past physical health, no history of special. Admission physical examination: T 36.5 ℃, P 84 bpm, R 20