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Comparative Study
Correlation of computed tomography with second-look laparotomy in ovarian carcinoma.
- M Sandhu, L Kumar, S Kumar, A Kriplani, N Bhatla, and G Kinra.
- Department of Radiodiagnosis, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India.
- Natl Med J India. 1996 Jan 1; 9 (1): 13-6.
BackgroundCancer of the ovary is the second commonest gynaecological malignancy after cancer of the cervix. Surgery followed by cisplatin-based chemotherapy is the standard treatment approach. In patients with persistent disease, second-look laparotomy offers an opportunity to debulk the tumour. This is usually followed by an alternative method of chemotherapy. We compared the findings at surgery (second-look laparotomy) with the preoperative computed axial tomography scan assessments.MethodsThirty-seven patients with epithelial ovarian carcinoma were assessed with computed axial tomography scans of the abdomen and pelvis prior to undergoing a second-look laparotomy.ResultsTumour was correctly identified on computed axial tomography scan in 11 patients who had macroscopic evidence of cancer at laparotomy. In 6 patients, both computed axial tomography scan and surgery showed no disease recurrence. In the remaining 20 patients, there was a mismatch between the computed axial tomography scan and the surgical findings. In 16 of the 20 (80%) patients, computed axial tomography scans were negative but tumour was present. When the tumour was less than 1.5 cm in diameter it was missed in 8, and when equal to or greater than 1.5 cm, it was missed in 5 patients. These small tumour deposits were located in the retroperitoneal area, under the dome of the diaphragm, omentum or peritoneum, liver surface, and in the pouch of Douglas. In one case each, infiltration of the urinary bladder, sigmoid colon and rectum was also not detected. In 4 patients, computed axial tomography scans showed tumour when none was present.ConclusionComputed axial tomography scan cannot detect small nodules often present in ovarian cancer, and thus even if a computed axial tomography scan is normal it should not exclude a second-look laparotomy.
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