Computed Tomographic and Clinicopathological Features of Inflammatory Pseudotumor of the Spleen

Our goal was to elucidate the computed tomographic (CT) and clinicopathological features of inflammatory pseudotumor of the spleen.Computed tomographic findings and clinic materials of 4 patients with inflammatory pseudotumor of the spleen were reviewed and compared with pathologic findings.Abdominal contrast-enhanced CT revealed a hypodense mass in the spleen with slight enhancement in the arterial phase in 3 cases. The enhancement persisted with venous phase and was moderate in the delayed phase. The remaining 1 case was a huge mass in the spleen with multiple areas of patchy necrosis and abundant tortuous vessels.Inflammatory pseudotumor of the spleen is a rare benign process with nonspecific CT features. The mass was generally hypodense with delayed enhancement on CT.