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神经鞘瘤好发于大的外周神经干,发生于腰大肌者少见。文献中曾报告过3例腰大肌神经鞘瘤,均为良性。我院遇到1例为恶性,且同侧肾及输尿管受侵犯,特报告如下。患者男性,27岁,于1976年6～7月间偶然发现右上腹部有一拳头大包块,无任何不适,未行查治。此后,肿块逐渐增大,直至1979年12月15日夜间,突然感到右腹部包块区剧烈胀痛持续达6小时之久,方才到某县医院就诊,发现尿中少数红细胞和白细胞,血沉42mm/1小时。腹部平片:右肾区有大量钙化灶,静脉肾盂造影示右肾显影不清,左肾输尿管显影良好。因诊断仍不明确,于同年12月
Schwannoma occur in large peripheral nerve stem, occurred in the psoas are rare. Literature has reported 3 cases of psoas schwannoma, are benign. 1 case of malignancy encountered in our hospital, and ipsilateral kidney and ureteral invasion, special report is as follows. Male patient, 27 years old, in 1976 June to July accidentally found a fist in the upper right abdomen mass, without any discomfort, did not check. Since then, the tumor gradually increased until the night of December 15, 1979, suddenly felt severe abdominal pain in the right abdomen lasted up to 6 hours, had just visited a county hospital and found that a small number of red blood cells and white blood cells in the urine, erythrocyte sedimentation rate 42mm /1 hour. Abdominal plain film: a large number of calcifications in the right kidney area, intravenous pyelography showed unclear development of the right kidney, left kidney showed good development of the ureter. Due to the diagnosis is still not clear, in December the same year