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Malignant peritoneal disease can be further considered as either primary or secondary in origin. Primary peritoneal malignancy includes peritoneal mesothelioma, serous carcinoma, and desmoplastic small round cell tumour. Peritoneal carcinomatosis is the most commonly encountered secondary malignant peritoneal disease, typically of ovarian, gastric, colorectal, pancreatic, small bowel neuroendocrine, or breast origin. Others include peritoneal lymphomatosis and sarcomatosis. Benign peritoneal pathology may mimic malignant disease. Differentiating benign from malignant peritoneal pathology can be challenging, but is critical to guide appropriate care and avoid unnecessary intervention. Cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) offers potentially curative treatment for patients with peritoneal carcinomatosis, pseudomyxoma peritonei, and peritoneal mesothelioma. For such patients, the radiologist provides crucial pre-operative information highlighting sites of disease involvement, particularly for sites which are challenging to assess at laparotomy or laparoscopy, including the hepatic dome, subdiaphragmatic space and mesenteric root. The radiologist is also essential to identify potential contraindications to surgery, as well as interpreting normal post-operative appearances, complications and assessing for disease recurrence.<\/jats:p>","DOI":"10.1177\/08465371241296778","type":"journal-article","created":{"date-parts":[[2024,12,6]],"date-time":"2024-12-06T07:31:51Z","timestamp":1733470311000},"page":"287-301","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Review of Imaging Peritoneal Disease and Treatment"],"prefix":"10.1177","volume":"76","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0184-4187","authenticated-orcid":false,"given":"Colin","family":"McQuade","sequence":"first","affiliation":[{"name":"Abdominal Division, Joint Department of Medical Imaging, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mary","family":"Renton","sequence":"additional","affiliation":[{"name":"Abdominal Division, Joint Department of Medical Imaging, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashvina","family":"Chouhan","sequence":"additional","affiliation":[{"name":"Abdominal Division, Joint Department of Medical Imaging, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roisin","family":"MacDermott","sequence":"additional","affiliation":[{"name":"Abdominal Division, Joint Department of Medical Imaging, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ciara","family":"O\u2019Brien","sequence":"additional","affiliation":[{"name":"Abdominal Division, Joint Department of Medical Imaging, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2024,12,6]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-0142(20000115)88:2<358::AID-CNCR16>3.0.CO;2-O"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1200\/JCO.2003.04.187"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1245\/s10434-008-9966-2"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejso.2022.02.002"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.2214\/AJR.22.28402"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00261-024-04303-x"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1097\/SLA.0000000000005418"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1102\/1470-7330.2011.0016"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejso.2019.02.030"},{"key":"e_1_3_2_11_2","unstructured":"WHO Classification of Tumours Editorial Board. 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