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Everything you need to know about Computed Tomography (CT) & CT Scanning


MDCT of the Spleen:  Splenic Inflammatory Pseudotumor

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 An inflammatory pseudotumor is a benign, tumor like process that can develop in the spleen as well as other organs. Etiology is unknown, but may relate to an ongoing reparative process stimulated by an inflammatory event. These tumors are rare, well-circumscribed lesions constructed of inflammatory plasma cells and fibroblastic change. Inflammatory pseudotumors often contain granulomatous regions, necrosis and hemorrhage.

Pseudotumors are usually asymptomatic and often incidentally discovered during physical exam. On noncontrast CT, these well-circumscribed masses are hypodense, and may contain punctate calcifications. These tumors display progressive enhancement on contrasted CT and delayed images, however a central region of decreased attenuation may remain.

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