Subjects: Medicine, Pharmacy >> Preclinical Medicine submitted time 2017-12-07 Cooperative journals: 《分子影像学杂志》
Abstract： Objective To explore the CT findings of renal oncocytoma. Methods The imaging and clinical data of 8 cases of ROwith pathology confirmed renal oncocytoma were retrospectively analyzed. Results On plain CT scans, 8 patients hadunilateral solitary lesion of which were round or lobulated. All lesion protruded the outline of kidney. CT value of tumorsubstantial part was 22-36 Hu, average 31 Hu in 8 cases. Eight cases were rich blood supply on enhanced CT scans, CT value oftumor substantial part was 103-187 Hu in the cortico-medullary phase, the average strengthening rate was rised 94 Hu thanplain CT. CT value was 82-151 Hu in the parenchymal phase, the average strengthening rate was rised 74 Hu than plain CT. CTvalue was 86-117 Hu and decreased slightly in the excretory phase, the average strengthening rate was rised 70 Hu than plainCT. central scars was found in 2 cases, Segmental Enhancement Inversion in 2,Calcification in 1 cases, spoke-wheel-likeenhancement in 1, hemorrhage in 1 fat in 1. Conclusion When the plain CT scans showed isodensity or low density tumorwith round or lobulated protruding the outline of kidney, Tumor with rich blood supply on enhanced CT scans, tumorsubstantial showed significantly enhancement in the cortico-medullary phase, was decreased in the parenchymal phase andexcretory phase, the low-density area of tumors heterogeneous enhancement of in the cortico-medullary phase,which showedreduce or disappear Gradually in the parenchymal phase and excretory phase. with progressively filled, at the same time, notumor thrombus within the renal vein and inferior vena cava, and no swelling large lymph nodes around abdominal aorta andrenal hilum, Renal oncocytoma is a differential diagnosis to choose.
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