CTICasesSplenosis (Thoracic and Abdominal)
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Imaging findings
History of splenectomy post-motor vehicle accident. Nine years later (2013), CT showed the effects of splenic trauma with "splenda Thoris" (splenic tissue within the thorax), including a pleural nodule, several other well-defined smooth pleural nodules, and a large plural mass ("egg") inferiorly. In the upper abdomen, regeneration of a few small splenules was noted where the spleen itself had been removed.
Key takeaways
Splenosis is autotransplantation of splenic tissue following splenic rupture or splenectomy, commonly seen after trauma. This case beautifully demonstrated both intrathoracic (splenda Thoris) and abdominal splenosis, with multiple well-defined pleural nodules and regenerated splenules in the abdomen. It's important to recognize these findings to avoid misinterpreting them as neoplastic metastases.
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