肝臟動(dòng)脈期一過性強(qiáng)化灶(存儲(chǔ)版)
【正文】 enomenon (arrowheads) apparently not associated with focal lesion. ? 三月后 ，梯度回波 T1動(dòng)脈期 ? 楔形的尖部可見小的低信號(hào)病灶， ? 膽管細(xì)胞癌， 門脈分支浸潤(rùn)所致門脈低灌注 ? Axial gradientecho T1weighted gadoliniumenhanced arterial phase MR image (TR/TE, 216/) obtained 3 months after A shows small hypointense focal lesion (arrow) at apex of fanshaped arterial phenomenon, causing portal branch infiltration and subsequent portal hypoperfusion. ? Transient Hepatic Intensity Differences: Part 1, Those Associated with Focal Lesions ? Stefano Colagrande1, Nicoletta Centi1, Roberta Galdiero2 and Alfonso Ragozzino2 ? Affiliations: 1Department of Clinical Physiopathology, Section of Radiodiagnostics, University of Florence, Viale Magni 85, Florence 50134, Italy. ? 2Section of Radiodiagnostics, Ospedale SM Grazie Pozzuoli, Naples, Italy. ? Citation: American Journal of Roentgenology. 2022。大多數(shù)的 THPD不會(huì)引起臨床癥狀。 創(chuàng)傷：活檢 ? 經(jīng)皮肝穿刺活檢一月后 ? 三角：扇形動(dòng)脈期一過性強(qiáng)化灶 ? 箭頭：肝動(dòng)脈 門靜脈瘺 ? — 42yearold woman with sectorial transient hepatic intensity differences in right hepatic lobe caused by posttraumatic arterioportal shunt. Axial gradientecho T1weighted gadoliniumenhanced arterial phase MR image (TR/TE, 146/2) shows wedgeshaped arterial phenomenon (arrowheads) caused by arterioportal shunt (arrow) due to percutaneous hepatic biopsy performed 1 month earlier. ? ② 腫瘤： ? 包括肝臟良性腫瘤與惡性腫瘤。癌灶和子灶。 ? 局部脂肪變性是灌注異常的終末期表現(xiàn) ? T1平掃信號(hào)稍高 ? T1動(dòng)脈期稍顯低灌注 ? CT平掃低密度 ? 超聲較周圍肝實(shí)質(zhì)強(qiáng)回聲 。 ? 門靜脈分支癌栓 （白色箭頭）導(dǎo)致楔形動(dòng)脈期一過性強(qiáng)化灶， ? 癌栓
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