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© 2007 by the American Institute of Ultrasound in Medicine
J Ultrasound Med 26:605-614 • 0278-4297

Image Presentation

Sonographic Findings of Groin Masses

Dal Mo Yang, MD, Hyun Cheol Kim, MD, Joo Won Lim, MD, Wook Jin, MD, Chang Woo Ryu, MD, Gou Young Kim, MD and Hyuni Cho, MD

Departments of Radiology (D.M.Y., H.C.K., W.J., C.W.R.) and Pathology (G.Y.K.), Kyung Hee University East-West Neo Medical Center, Seoul, Korea; Department of Radiology, Kyung Hee University Hospital, Seoul, Korea (J.W.L.); and Department of Pathology, Gachon Medical School Gil Medical Center, Incheon, Korea (H.C.).

Address correspondence to Dal Mo Yang, MD, Department of Radiology, Kyung Hee University East-West Neo Medical Center, 149 Sangil-Dong, Gangdong-Gu, Seoul 134-090, Korea. E-mail: dmy2988{at}yahoo.co.kr

Objective. The groin contents consist of the spermatic cord and its fascial coverings and vascular, nervous, and muscular structures. Abnormalities in the groin region are variable. The purpose of this image presentation is to describe the sonographic findings of the various kinds of groin lesions. Methods. We retrospectively reviewed the sonographic findings of various kinds of groin lesions. All sonographic examinations were performed with high-frequency (5- to 15-MHz) linear array transducers. Results. The most common abnormality in the groin was a hernia, which contains bowel loops, omental fat, and peritoneal fluid. The most common benign tumor of the inguinal region was a lipoma. Other benign tumors of the groin included leiomyomas, dermoid cysts, epidermoid cysts, and lymphangiomas. The most common primary malignant tumors in the inguinal region were sarcomas such as rhabdomyosarcoma and liposarcoma. Secondary malignant tumors of the inguinal regions were metastatic lymphomas and metastatic carcinomas of the lung, breast, ovary, and gastrointestinal tract. Hematomas and inflammation may occur in the inguinal region. Conclusions. Although there was substantial overlap of sonographic findings in the various inguinal masses, clinical history and certain sonographic details can assist in making the correct diagnosis.

Key Words: groin mass • groin sonography • inguinal hernia • spermatic cord

Abbreviations: CT, computed tomography

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Copyright © 2007 by the American Institute of Ultrasound in Medicine.