Peritoneal mesothelioma: CT and MRI findings

Puvaneswary, M; Chen, S; Proietto, T

doi:10.1046/j.1440-1673.2001.01002.x

Cited by 20 publications

(7 citation statements)

References 8 publications

(24 reference statements)

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“…Consequently, there is irregular and nodular thickening of the peritoneum. The focal pattern is characterized by dominant, moderate to large-sized intraperitoneal masses with associated peritoneal studding (12)(13)(14)(15). In addition to the primary tumor, omental caking and ascites are usually present.…”

Section: Imaging Featuresmentioning

confidence: 99%

Primary Peritoneal Tumors: Imaging Features with Pathologic Correlation

Levy¹,

Arnáiz²,

Shaw³

et al. 2008

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Primary peritoneal tumors are uncommon lesions that arise from the mesothelial or submesothelial layers of the peritoneum. Primary malignant mesothelioma, multicystic mesothelioma, primary peritoneal serous carcinoma, leiomyomatosis peritonealis disseminata, and desmoplastic small round cell tumor are the most prominent of these rare lesions. Primary malignant mesothelioma is a highly aggressive malignancy that occurs most commonly in older men and that has a strong association with high levels of asbestos exposure. It manifests most often as diffuse sheetlike or nodular thickening of the peritoneal surfaces, but it may occasionally be a localized mass. Multicystic mesothelioma occurs most frequently in women and has benign or indolent biologic behavior in the majority of patients. It is a multilocular cystic mass that arises from the pelvic peritoneal surfaces. Primary peritoneal serous carcinoma occurs almost exclusively in women. It is histologically identical to ovarian serous carcinoma and may be indistinguishable from metastatic ovarian carcinoma at imaging studies. Leiomyomatosis peritonealis disseminata is a rare, benign proliferative process that also occurs exclusively in women and is characterized by multiple smooth muscle nodules throughout the peritoneum. Desmoplastic small round cell tumor is a highly aggressive malignancy of unknown origin that occurs most often in the peritoneal cavity of young men. This unusual group of tumors is linked together by a common site of origin and imaging manifestations that mimic those of peritoneal carcinomatosis. Knowledge of the spectrum of imaging findings in this group of primary peritoneal tumors, along with their clinical and pathologic characteristics, is important in the evaluation of patients with diffuse peritoneal disease.

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Section: Imaging Featuresmentioning

confidence: 99%

Primary Peritoneal Tumors: Imaging Features with Pathologic Correlation

Levy¹,

Arnáiz²,

Shaw³

et al. 2008

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193

175

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“…The CT findings of mesothelioma vary: Approximately 80% of patients have a variable amount of ascites, associated with omental and mesenteric infiltrations, intraabdominal masses (mainly in the upper abdomen), and scattered nodules that tend to envelop viscera and bowel loops [18].…”

Section: Discussionmentioning

confidence: 99%

Giant cystic lesion mimicking pseudomyxoma peritonei

2005

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A case of intraabdominal giant cystic lesion that raised concern for pseudomyxoma peritonei preoperatively is presented here. A young woman underwent work-up for abdominal distension. Abdominal computed tomography suggested a diagnosis of pseudomyxoma peritonei. However, cystic degeneration of a giant myoma was found at surgery. There was no evidence of malignancy on histopathologic examination. This case illustrates that giant cystic lesions can mimic mucinous adenocarcinoma and pseudomyxoma peritonei.

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“…It is more common in middle‐aged men. The CT findings of malignant mesothelioma are non‐specific and include ascites, non‐calcified omental and peritoneal infiltration, large intra‐abdominal masses and nodules without liver secondaries or lymphadenopathy 13 .…”

Section: Discussionmentioning

confidence: 99%

Primary papillary serous carcinoma of the peritoneum: Four cases and review of computed tomography findings

Puvaneswary

Proietto

2004

Australasian Radiology

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Primary papillary serous carcinoma of the peritoneum is an uncommon primary malignancy of the peritoneum and is histologically indistinguishable from papillary serous carcinoma of the ovary. The diagnosis of primary peritoneal papillary serous carcinoma should be considered in the presence of peritoneal and omental masses in the absence of an ovarian mass. Although it has been extensively documented in the pathological and gynaecological oncology literature, the CT appearance of primary papillary serous carcinoma of the peritoneum has been reported in only 51 cases in five reports. We present four patients with CT findings of pathologically proven primary papillary serous carcinoma of the peritoneum. There were a total of 23 patients with a histopathologically proven diagnosis of primary papillary serous carcinoma of the peritoneum between 1980 and 2002 with CT imaging. However, only four of the 23 patients' CT films were retrieved for retrospective evaluation. The rest of the films were not available as either patients had misplaced the films or patients were deceased.

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Peritoneal mesothelioma: CT and MRI findings

Abstract: Two patients with histologically proven diagnosis of peritoneal mesothelioma are presented. Both patients had CT scans of the abdomen. The second patient was also examined with MRI.

Cited by 20 publications

References 8 publications

Primary Peritoneal Tumors: Imaging Features with Pathologic Correlation

Primary Peritoneal Tumors: Imaging Features with Pathologic Correlation

Giant cystic lesion mimicking pseudomyxoma peritonei

Primary papillary serous carcinoma of the peritoneum: Four cases and review of computed tomography findings

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