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CT features of adenomyosis
Courtney A Woodfield1, Evan S Siegelman, Beverly G Coleman
1Department of Diagnostic Imaging, Brown Medical School/Rhode Island Hospital, Providence, RI 02903, USA. cwoodfield@lifespan.org
European Journal of Radiology
|September 23, 2008
Summary
Computed tomography (CT) can identify features of adenomyosis, such as uterine enlargement and myometrial cysts, in patients previously diagnosed with magnetic resonance (MR) imaging. However, CT is not yet routinely used for this diagnosis.
Area of Science:
- Radiology
- Medical Imaging
- Gynecologic Imaging
Background:
- Adenomyosis is a common gynecologic condition.
- Magnetic resonance (MR) imaging is the gold standard for diagnosing adenomyosis.
- Computed tomography (CT) is widely available but its role in adenomyosis diagnosis is less defined.
Purpose of the Study:
- To identify computed tomography (CT) features suggestive of adenomyosis.
- To compare CT findings with established magnetic resonance (MR) imaging diagnoses of adenomyosis.
Main Methods:
- Retrospective review of enhanced pelvic CT scans from 16 women with MR-confirmed adenomyosis.
- Analysis of CT images for myometrial characteristics, uterine size, and presence of cysts.
- Review of original CT reports for any mention of adenomyosis.
Main Results:
- Adenomyosis was detectable on CT in 8 of 16 patients (50%).
- Common CT findings included uterine enlargement (100%), thickened inner myometrium (mean 25 mm), and myometrial cysts (88%).
- None of the original CT reports suggested adenomyosis as a diagnosis.
Conclusions:
- CT can suggest adenomyosis based on specific imaging features.
- Uterine enlargement, thickened inner myometrium, and myometrial cysts are key CT indicators.
- Further research may enhance CT's utility in diagnosing adenomyosis.
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