Masses and pain in the groin: a review of imaging findings

The inguinofemoral region is a crossroads of numerous vascular, nervous and muscular structures. As even the most astute clinician can have difficulty in correctly diagnosing the cause of complaints or a mass in the groin and thigh region, radiological investigation is frequently warranted. For the radiologist involved, knowledge of the anatomy and specific pathology of the groin is essential. This paper deals with the imaging characteristics of the various diseases in the inguinofemoral triangle. Furthermore, this article provides an overview of the role of the various imaging modalities in the evaluation of disease in the groin and upper thigh. A sound working knowledge of groin anatomy and pathology is mandatory. The various imaging modalities used should be considered complementary.