Primary Splenic Angiosarcoma with Retroperitoneal Invasion: A Case Report
Angiosarcoma esplénico primario con invasión retroperitoneal: reporte de caso
DOI:
https://doi.org/10.22258/hgh.v10i2.431Abstract
Primary splenic angiosarcoma is an extremely rare malignant vascular neoplasm of endothelial lineage, characterized by high biological aggressiveness and a generally poor prognosis. We report the case of a 78-year-old male presenting with chronic abdominal pain. Multidetector computed tomography (MDCT) identified a 13-cm heterogeneous splenic mass with areas of necrosis and a peripheral enhancement pattern characteristic of this disease. An exceptional finding in this report was the tumoral extension into the retroperitoneal space, involving infiltration of the lateroconal fascia and compromise of the left renal vein, along with metastatic para-aortic lymphadenopathy. Contrast-enhanced CT was instrumental in characterizing the lesion morphology and establishing advanced local extension, enabling differentiation from other primary splenic tumors. Given its high mortality rate and the challenges of preoperative diagnosis, angiosarcoma must be considered a critical differential diagnosis when encountering splenic masses with infiltrative behavior. Keywords: Retroperitoneal Space; Hemangiosarcoma; Splenic Neoplasms; Multidetector Computed Tomography (Source: MeSH, NLM).Downloads
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