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99mTc-Nannocolloid Localization of Lymphorenal Fistula Causing Chyluria

机译:乳糜尿的99mTc-纳米胶体定位导致乳糜尿

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摘要

Chyluria is an abnormal condition in which chyle appears in the urine because of a fistulous communication between the lymphatics and the urinary tract. It is not life-threatening and spontaneous regression is reported in 50% of cases. Lymphangiography has been the main imaging modality for localization of the site of fistula, but it is invasive and requires expertise. Lymphoscintigraphy using Tc-99m labelled colloid is a safe, non-invasive, reproducible technique, which bears less radiation exposure. A 67-year-old male presented with 7-month history of chyluria following a spinal surgery. Bilateral lower limb lymphoscintigram revealed sluggish lymph flow in the left lower limb and visualization of tracer in the left kidney consistent with lymphorenal fistula. Subsequent cystography revealed appearance of chylous urine from left ureter. Patient refused surgery.
机译:尿道炎是一种异常状况,由于淋巴管和泌尿道之间的瘘管连通,在尿液中出现乳糜。它不会危及生命,据报道有50%的病例自发消退。淋巴管造影术一直是定位瘘管部位的主要成像方法,但它具有侵入性,需要专业知识。使用Tc-99m标记胶体的淋巴闪烁照相术是一种安全,无创,可重现的技术,其放射线照射较少。一名67岁的男性在脊柱手术后出现了7个月的乳糜尿病史。双侧下肢淋巴闪烁图显示左下肢淋巴流量低下,左肾中示踪剂可视化,与淋巴肾瘘管一致。随后的膀胱造影显示左输尿管出现乳状尿液。病人拒绝手术。

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