Key result
Peritoneal sarcomatosis on MDCT is distinguished from carcinomatosis by heterogeneous bulky masses, hypervascularity with or without hemoperitoneum, and variable presence of ascites.
MDCT imaging can help distinguish peritoneal sarcomatosis from carcinomatosis based on features like heterogeneous bulky masses and hypervascularity.
May aid imaging differentiation of sarcomatosis; leaves open prospective validation before changing practice.
OBJECTIVE: Peritoneal sarcomatosis is an entity analogous to the better known peritoneal carcinomatosis. The purpose of this article is to discuss the imaging findings of peritoneal sarcomatosis versus peritoneal carcinomatosis. CONCLUSION: Sarcomatosis is most commonly seen in gastrointestinal stromal tumor, liposarcoma, and leiomyosarcoma. A few distinguishing features of peritoneal sarcomatosis include heterogeneous bulky masses, hypervascularity with or without hemoperitoneum, and variable presence of ascites.
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Jagannathan et al. (2010) conducted a review in Peritoneal sarcomatosis and peritoneal carcinomatosis. MDCT imaging vs. Peritoneal carcinomatosis was evaluated on Imaging findings distinguishing peritoneal sarcomatosis from peritoneal carcinomatosis. Peritoneal sarcomatosis on MDCT is distinguished from carcinomatosis by heterogeneous bulky masses, hypervascularity with or without hemoperitoneum, and variable presence of ascites.
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