Seminoma CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]

Overview

Abdominal and pelvic CT scans may be diagnostic of seminoma. CT scan may detect metastases of seminoma to the para-aortic, inguinal, or iliac lymph nodes. Visceral metastasis may also be seen.

CT scan may be helpful in the diagnosis of seminoma. Findings on CT scan suggestive seminoma specialy among nonspecific symptoms patients. Abdominal and pelvic CT scans are important in visualizing metastases

CT

• Abdominl and pelvic CT scan may be helpful in the diagnosis of seminoma. Findings on CT scan diagnostic ofseminoma include:
  • Retroperitoneal lymph nodes
  • Metastases to the para-aortic lymph nodes ( It is the first site of spread lymphatic drainage at the level of the renal vessels)
    • Bulky nodal
    • Density homogenous,
    • Tend to encase surrounding vessels
  • Inguinal or iliac lymph node metastases suggest
    • lymphatic spread by the scrotum
    • local tumor extension further the tunica vaginalis
  • Visceral metastases
    • Staging CT of the chest is only indicated when regional para-aortic lymph node spread is present or if there is an abnormal CXR.
  • Chest CT is indicated when:
    • CXR is abnormal
    • Regional para-aortic lymph node spread is present.