Aims and objectives
Ovarian cancer is the sixth most common cancer in Ireland (excluding non-melanoma skin cancer) and the fourth most common cause of cancer-related deaths.1 The Irish National Cancer Control Programme recently published a national clinical guideline on the diagnosis and staging of ovarian cancer.2 Based on the most up-to-date literature available,
this guideline recommends using the International Ovarian Tumour Analysis (IOTA) Group Simple Ultrasound Rules (Table 1) in conjunction with clinical assessment to determine if an adnexal lesion identified on ultrasound is suspicious for malignancy and...
Methods and materials
Patient lists for the Gynae-oncology multidisciplinary meetings held at Cork University Hospital from August 2017 to August 2018 were assessed for patients with newly diagnosed or recurrent ovarian cancer.
Of those identified,
only those with histologically confirmed primary or secondary ovarian cancer were included.
All relevant pre-operative pelvic imaging was identified for these patients.
Two of the authors then independently applied the five IOTA M-Rules to the pelvic CT imaging of these patients.
For the fifth M-feature,
enhancement on contrast-enhanced CT was taken as a...
Thirty-four histologically confirmed cases of ovarian cancer were identified.
Eleven of these had to be excluded as they either had no available pre-operative pelvic CT,
or no ovarian mass lesion was demonstrated on their CT imaging.
The average age of the 23 included patients at the time of their histological diagnosis was 56 years (range 17-80 years).
Of the 6 patients who were aged under 50 at the time of their histological diagnosis,
one had the risk factor of Lynch syndrome.
Figure 1 shows the...
This study suggests that the IOTA M-rules can be successfully applied to CT in the assessment of adnexal masses.
Further research with greater patient numbers is required to confirm these findings.
Department of Radiology,
Cork University Hospital,
1.National Cancer Registry Ireland.
Cancer Factsheet Ovary.
Available at: https://www.ncri.ie/sites/ncri/files/factsheets/Factsheet%20ovary.pdf
2.IOTA 2017 International Ovarian Tumour Analysis.
Available from: http://www.iotagroup.org/simplerules/
3.NCCP National Clinical Guideline.
Diagnosis and staging of ovarian cancer.
Available at: https://www.hse.ie/eng/services/list/5/cancer/profinfo/guidelines/diagnosis-and-staging-of-patients-with-ovarian-cancer.pdf
Available at: https://howlingpixel.com/i-en/Ovarian_cancer