“ About 40% of ovarian tumours are malignant , mostly advanced (i.e. peritoneal disease) at presentation. Ca-125 elevated in 80% , but in ea...
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About 40% of ovarian tumours are malignant, mostly advanced (i.e. peritoneal disease) at presentation.
Ca-125 elevated in 80%, but in early disease, the specificity of this is only 50%. Most are epithelial in origin, and the serous type is most common (i.e. serous cystadenocarcinoma). Metastasises to the lungs and bone.
CT
• Preferred for initial staging (formal staging with the International Federation of Gynaecology and Obstetrics [FIGO] system at laparotomy).
• Enhancing ovarian nodules with large cystic component, hyperdense ascites, peritoneal nodules.
• Check pelvic and retroperitoneal lymph nodes.
• Thick-walled bowel indicates gut serosal infiltration.
• Liver deposits tend to be subcapsular.
(a) Unenhanced axial computed tomography scan of the pelvis shows a large, densely calcified mass in the inferior pelvis with soft tissue elements. The diagnosis proved to be serous cystadenocarcinoma of the ovary, (b) The abnormality is clearly demonstrated on a plain abdominal film.
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