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患者女,50岁。右侧腰背部及腹部疼痛伴麻木6年余,加重半年。专科检查:右侧腰背部12肋下外局限性压痛并向腹股沟区放射,局部未触及明显包块,躯干及四肢活动正常。血常规、尿常规及生化指标检查未见异常。高分辨率CT(HRCT)重建:常规横切面示右侧第12肋尖端下外方一类圆形占位性病变,密度均匀,边界清晰,大小约22.6 mm×21.4 mm,附近膈肌、肝右叶及其后侧腹部肌肉、脂肪均受压,肋骨未见异常,该肿块与肋神经的关系未能
Female patient, 50 years old. Right lower back and abdominal pain with numbness more than 6 years, increased six months. Specialist examination: the right lower back 12 ribs external limitations of tenderness and radiation to the inguinal region, the local did not touch the obvious mass, trunk and limbs normal. Blood, urine and biochemical tests showed no abnormalities. High-resolution CT (HRCT) Reconstruction: Conventional cross-section shows a class of circular space-occupying lesions under the right flank of the 12th rib with a uniform density and a clear boundary of approximately 22.6 mm × 21.4 mm in size. The diaphragm, Leaf and its posterior abdominal muscles, fat are under pressure, ribs were normal, the lumps and rib nerves failed to