Diffusion-Weighted Echo Planar Imaging of Ovarian Tumors: Is It Useful to Measure Apparent Diffusion Coefficients?
Abstract
PURPOSE: Our goal was to test the hypothesis, as previously reported in other studies, that apparent diffusion coefficients (ADCs) provide specific information to diagnose ovarian tumors, especially to discriminate between benign and malignant lesions. METHOD: T1-and T2-weighted spin echo imaging and diffusion-weighted echo planar imaging were performed in 31 women with 61 cystic components of ovarian tumors. RESULTS: The lesions that showed typical watery intensity, hypointensity in T1-weighted imaging, and hyperintensity in T2-weighted imaging had similar ADCs, ranging from 1.54 to 1.84 x 10(-3) mm2 /s. The lesions that showed signal intensity different from typical watery intensity in conventional MRI tended to have low ADCs. In endometrial cysts, the mean ADC of the subgroup that showed typical watery intensity was higher than that of other subgroups. CONCLUSION: With conventional MRI, a tendency of ADCs could be predicted. ADCs may not provide additional information, especially to discriminate benign from malignant lesions.
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Regarding endometrial cysts, previous studies found a tendency towards lower ADC values compared with other pelvic cysts, which might be more closely related to blood concentration.
“Regarding endometrial cysts, previous studies found a tendency towards lower apparent diffusion coefficient (ADC) values compared with other pelvic cysts, which might be more closely related to blood concentration [19–21].”
From Appearance of abdominal wall endometriosis on MR imaging (2010) · cites this paper as [19]
This is comparable with previous reports on ADC values in endometrial cysts.
“This is comparable with previous reports on ADC values in endometrial cysts [19, 21].”
From Appearance of abdominal wall endometriosis on MR imaging (2010) · cites this paper as [19]
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“This is comparable with previous reports on ADC values in endometrial cysts [19, 21].”
Result
- Authors
- Katayama, M., Masui, T., Kobayashi, S., Ito, T., Sakahara, H., Nozaki, A., & Kabasawa, H.
- Affiliations
- Hamamatsu University School of Medicine (JP)
- Corresponding author
- Katayama, Motoyuki
- Venue
- Journal of Computer Assisted Tomography
- Published
- 2002-03
- Volume
- 26
- Issue
- 2
- Pages
- 250-256
- ISSN
- 0363-8715 (ISSN-L)
- OpenAlex
- W2042484869
- Cited by
- 103
- References
- 19
- Citations by year
- 2025: 3 · 2024: 1 · 2023: 1 · 2021: 2 · 2020: 2 · 2019: 4 · 2018: 5 · 2017: 5 · 2016: 4 · 2015: 5 · 2014: 3 · 2013: 11 · 2012: 7
- FWCI
- 2.57
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Computer Assisted Tomography (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › MRI in cancer diagnosis
- Health Sciences › Medicine › Reproductive Medicine › Ovarian cancer diagnosis and treatment
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Ultrasound Imaging and Elastography
- Keywords
- ovarian neoplasms, diffusion-weighted imaging, apparent diffusion coefficient, cystic ovarian lesions, benign versus malignant differentiation, endometrioma, T1 and T2 signal intensity, ovarian cysts
- MeSH terms
- Adult, Diagnosis, Differential, Diffusion, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Middle Aged, Ovarian Diseases, Ovarian Neoplasms, Water
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