Spleen CT Appearances

Polysplenia CT Findings

• Situs ambiguous
• Features of left isomerism
• Multiple spleen in RUQ or LUQ, single lobulated spleen, or normal spleen
• Anomalous position of abdominal viscera
• Short pancreas
• Abnormal bowel rotation
• Cardiovascular anomalies

Other Information About Polysplenia

Etiology:

• Congenital

Epidemiology:

• Rare
• More common in females

Presentation:

• Abdominal pain
• Respiratory distress
• Nausea and/or vomiting

Prognosis:

• Polysplenia itself is benign but may be associated with malignant cardiac complications
• Because of associated complications, most patients do not make it to adolescence

Related Pearls: Accessory Spleen and Splenules

Related Lectures:
CT of Splenic Anomalies from Splenosis to Polysplenia: Potential Pitfalls in Diagnosis - Part 2