A prospective comparison of the diagnostic accuracies of ultrasound and magnetic resonance imaging in preoperative staging of endometrial cancer.
Diagnostic Errors
Endometrial Neoplasms
Magnetic Resonance Imaging
Neoplasm Staging
Ultrasound
Journal
Journal of gynecologic oncology
ISSN: 2005-0399
Titre abrégé: J Gynecol Oncol
Pays: Korea (South)
ID NLM: 101483150
Informations de publication
Date de publication:
03 2022
03 2022
Historique:
received:
08
08
2021
revised:
25
09
2021
accepted:
10
12
2021
pubmed:
8
2
2022
medline:
23
4
2022
entrez:
7
2
2022
Statut:
ppublish
Résumé
To compare the diagnostic accuracies of ultrasound and magnetic resonance imaging (MRI) for deep (≥50%) myometrial invasion (DMI) and cervical stromal invasion (CSI) in women with endometrial cancer. This was a prospective study at a gynecology clinic for women with postmenopausal bleeding. Between October 2015-October 2018, consecutive women with suspected endometrial cancer based on ultrasound subjective pattern recognition were simultaneously assessed for DMI and CSI on ultrasound. Subsequently, they also underwent preoperative MRI. We compared the diagnostic accuracies of ultrasound and MRI in predicting DMI and CSI with the final histology as the gold standard. We included 51 women. The prevalence of DMI and CSI were 22/51 (43%) and 7/51 (14%), respectively. The majority of malignancies were of endometrioid histological subtype (38/51, 75%) and FIGO stage 1 or 2 (40/51, 78%). Ultrasound diagnosed more cases of DMI compared to MRI (19/22 vs. 17/22), however, the difference was not statistically significant. The sensitivities and specificities of ultrasound and MRI for DMI were 86% vs. 77% and 66% vs. 76%, respectively. For CSI, ultrasound and MRI correctly diagnosed the same number of cases (5/7, 71%); their respective false-positive rates were low, 0/44 (0%) and 1/44 (2%). Ultrasound and MRI had a moderate agreement for DMI (ƙ=0.49; 95% confidence interval [CI]=0.26-0.73), whereas the agreement for CSI was substantial (ƙ=0.69; 95% CI=0.36-1.00). Endometrial cancer can be simultaneously diagnosed and staged at women's initial ultrasound assessment. The accuracies of ultrasound for DMI and CSI are comparable to MRI. ISRCTN Identifier: ISRCTN24363390.
Identifiants
pubmed: 35128854
pii: 33.e22
doi: 10.3802/jgo.2022.33.e22
pmc: PMC8899878
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e22Informations de copyright
Copyright © 2022. Asian Society of Gynecologic Oncology, Korean Society of Gynecologic Oncology, and Japan Society of Gynecologic Oncology.
Déclaration de conflit d'intérêts
No potential conflict of interest relevant to this article was reported.
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