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| The MSCT diagnosis of seminoma in intraabdominal undescended testis |
| MU Hua-guo, SANG Ling, WANG Zhong-ping, CHEN Ping-you, CHEN Hai-bo, CHEN Lun-gang |
| Department of Radiology, Taihe Hospital, Affiliated Hospital of Hubei University of Medicine, Shiyan Hubei 442000, China |
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Abstract Objective: To assess the imaging features of MSCT in diagnosing seminoma in intraabdominal undescended testis, and to strengthen the understanding of the disease． Methods: MSCT images of 15 cases of seminoma of abdominal testis proved by pathology and surgery were analyzed, and the results were compared with pathology. All of the 15 cases underwent plain and enhanced MSCT scanning. Results: All of the 15 cases were male, age ranged from 19 to 38 years old, with an average age of 29 years. The lesions were located in the pelvic cavity, with cystic change, clear realm and uneven density. Solid component was located in the edge of the mass, and irregular necrosis of low density was seen in the center. Stripy separations were seen in all the masses, without fat and calcification. Enhancement was inhomogeneous, and the margin of solid component was slightly enhanced, without strengthening of the central irregular low density necrosis. Thickened and tortuous testicular arteries were seen in 11 cases in the arterial phase, and thickened and twisted testicular veins were seen in 9 cases in the venous phase. Ipsilateral testis was abscent, 12 cases in the right and 3 cases in the left. CT staging was consistent with operation and pathology. Conclusion: Seminoma in intraabdominal undescended testis is rare, and the clinical symptoms are insidious. When a young male patient found a mass in the lower abdomen, testicular absence or not should be carefully checked, being alert to the possibility of senminoma in intraabdominal undescended testis. Thickened testicular arteries and?蛐or draining veins on enhanced CT can help the diagnosis, and early finding is important for the prognosis.
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Received: 19 August 2014
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2015, Vol. 26 
