Inguinal Region Hernias

Inguinal hernias are a common cause of groin discomfort, and when small they may be difficult to diagnose clinically. Sonography is a useful imaging modality aiding in the diagnosis of inguinal hernias and their complications both before and following surgery. Inguinal anatomy is discussed briefly, but this article emphasizes scanning technique and pitfalls that may be encountered when using sonography to diagnose small and often clinically occult inguinal hernias.