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Peritoneal implants from ovarian tumors: CT findings
J N Buy1, A A Moss, M A Ghossain
1Department of Radiology, Hôtel Dieu, Paris, France.
Radiology
|December 1, 1988
Summary
Computed tomography (CT) detected metastatic peritoneal implants in 63% of ovarian tumor patients, with detection influenced by implant location and ascites, not size. This imaging aids in assessing the extent of disease preoperatively.
Area of Science:
- Oncology
- Radiology
- Abdominal Imaging
Background:
- Ovarian tumors frequently metastasize to the peritoneum.
- Accurate preoperative assessment of peritoneal metastasis is crucial for treatment planning in ovarian cancer.
Purpose of the Study:
- To evaluate the efficacy of computed tomography (CT) in detecting preoperative metastatic peritoneal implants in patients with ovarian tumors.
Main Methods:
- Computed tomography (CT) was used to assess metastatic peritoneal implants in 38 patients with ovarian tumors.
- Biopsy specimens (gross and random) were analyzed to confirm metastatic deposits.
- CT findings were correlated with biopsy results to determine detection rates.
Main Results:
- Metastatic deposits were confirmed in 71% of patients (27/38) and 104 biopsy sites.
- CT depicted metastatic lesions in 63% of patients (17/27) and 61% of biopsy sites (63/104).
- Commonly involved sites included the right subphrenic region, greater omentum, and pouch of Douglas.
Conclusions:
- CT is a valuable tool for assessing preoperative peritoneal metastasis in ovarian cancer.
- CT's effectiveness in detecting lesions is influenced by implant location and the presence of ascites, rather than lesion size.