You are here: Urology Textbook > Signs and symptoms > Inguinal lymphadenopathy

Inguinal Lymphadenopathy: Differential Diagnosis of Groin Lumps

**Ultrasound of an enlarged inguinal lymph node:** a typical image of a benign lymph node enlargement (length 20 mm) with a regular oval-shaped lymph node with an echogenic center (fatty degeneration). Signs of malignant lymphadenopathy are lymph nodes with irregular hypoechoic areas, round lymph nodes, and irregularly shaped lymph nodes.

**Ultrasound of an enlarged inguinal lymph node:** malignant lymph node enlargement: the lymph node is roundish irregularly enlarged (26 mm diameter) and filled with hypoechoic tissue.

Differential Diagnosis of Inguinal Lymphadenopathy

Reactive lymph node enlargement
Genital infections: syphilis, genital herpes, chancroid, lymphogranuloma venereum, granuloma inguinale.
Malignant tumors: lymphoma, leukemia, penile cancer, melanoma of the penis or lower extremity.
Systemic infections: mononucleosis, HIV and AIDS, CMV, measles, ...
Sarcoidosis

Index: 1–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z