Journal of Korean Society of Medical Ultrasound 1982;1(1): 83-91.
Ultrasonographic Evaluation of Retroperitonea Tumors
I.S. Hong, H.S. Yoo, K.J. Sung, C.Y. Park
Department of Radiology and Nuclear Medicine, College of Medicine, Yonsei University, Yonsei Cancer Center
ABSTRACT
We have analyzed 44 cases of the ultrasonographic findings of pathologically provened retroperitoneal tumors.The results are as follows: 1. Among the tumor of the retroperitoneal structure in 44 cases, the most common organwas kidney in 26 cases(59%), the adrenal gland in 7 cases(16%) and the other retroperitoneal area in 11 cases(25%)2. 11 cases of hypernephroma revealed the localized or diffuse renal enlargement and lobulated contour containingthe internal echoes as follows: complex echo in 7 cases, hypoecho in 7 cases, hypoecho in 3 cases and hyperecho in1 case. The ultrasonographic findings of the Wilms' tumor in 6 cases revealed the localized or diffuse renalenlargement with smooth contour in 3 cases and lobulated contour 3 cases containing the internal echoes asfollows: hyperecho in 3 cases and complex echo in 3 cases. 3. The ultrasonographic findings of the adrenal tumorin 7 cases, the size was more than 3cm in diameter and showed the convex margin with round or ovoid shape in allcases. The internal echoes were as follows: complex echo in 4 cases and hypoecho in 3 cases. 4. Theultrasonographic findings of the metastatic tumor in retroperitoneal area in 7 cases revealed the well defined andnodular contour with hypo internal echo pattern in 6 cases and ill defined and irregular contour with complexinternal echo pattern in 1 case. 5. It was easy to define the anatomical localization of the mass lesions and tosee the mass character by ultrasonographic examination.
Keywords: retroperitoneum, neoplasm
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