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Fig. 5 | Cancer Imaging

Fig. 5

From: Diagnostic value of multislice spiral computed tomography (CT) combined with CT angiography for intra-abdominal undescended testis secondary seminomas

Fig. 5

A 48-y-old male patient. a A CT plain scan showed that the tumor was mainly solid (thick arrow), with a CT value of 40 HU. A T-shaped low-density area was visible in the central area of the solid part of the tumor, and the CT value was 28 HU. Dots or striped calcifications were visible in the T-shaped low-density area (short thin arrow). b In the arterial phase, a thickened angiogram (arrow) was visible in the lateral margin of the tumor and distributed throughout the solid part of the tumor. The area containing the striped calcifications was slightly enhanced (thin arrow). Para-aortic lymph nodes were enlarged, and blood vessels were embedded. Vascular morphology was complete, and significant enhancement was found in the arterial phase (red thin arrow). Metastatic lymph nodes showed low density enhancement (red thick arrow), indicative of the floating ice sign. c The solid part of the tumor showed progressive enhancement, and no enhancement was seen in the low-density area. A tortuous artery was visible at the margin of the tumor (thick arrow). Enlarged lymph nodes showed progressive enhancement, and no enhancement was seen in necrotic areas (thin arrow). d The coronal reconstruction displayed a right varicocele (arrow), but the left varicocele was not visible. e VR images clearly displayed the origin and distribution of the blood vessels and the supply of the tumor (arrow)

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