Magnetic resonance relaxation time in evaluating the cyst fluid characteristics of endometrioma
Abstract
To determine whether the cyst fluid characteristics of endometrioma can be evaluated by magnetic resonance imaging (MRI), 36 endometriomas obtained from 24 patients (age range 21-43 years; mean 34 years) were studied. MRI was performed < 2 weeks before laparoscopy or laparotomy. Comparative studies of the density and concentration of iron in the endometrioma and the signal intensity (SI) of MRI [calculated relaxation time T1 value, calculated relaxation time T2 value, signal intensity on a T1-weighted image (T1SI) and on a T2-weighted image (T2SI) of the cyst; T1SI/signal intensity of the gluteus maximus muscle (MSI), and T2SI/MSI of the cyst] were performed. The density of the cyst fluid and its iron concentration were found to be directly proportional. There was a significant relationship between the concentration of iron and the T2SI, T2SI/MI and calculated T2 values. In particular, the concentration of iron and the ration of T2SI/ MSI were inversely proportional. Therefore, T2SI/MSI reflected the concentration of iron in endometriomas without recourse to measurement of the calculated T2 value, which suggests that the MRI and T2 signal intensity may be useful for evaluating the cyst fluid characteristics of endometriomas.
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In endometrial cysts the age of blood influences the viscosity and may therefore influence the ADC value.
“In endometrial cysts the age of blood influences the viscosity [24] and may therefore influence the ADC value.”
From Appearance of abdominal wall endometriosis on MR imaging (2010) · cites this paper as [24]
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“In endometrial cysts the age of blood influences the viscosity [24] and may therefore influence the ADC value.”
BackgroundMRI in the Diagnosis of Endometriosis and Related Diseases
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- Authors
- Takahashi, K., Okada, S., Okada, M., Kitao, M., Kaji, Y., & Sugimura, K.
- Affiliations
- Shimane University (JP)
- Shimane Medical University (JP)
- Venue
- Human Reproduction
- Publisher
- Oxford University Press (OUP)
- Published
- 1996-04-01
- Volume
- 11
- Issue
- 4
- Pages
- 857-860
- ISSN
- 0268-1161 (ISSN-L)
- 1460-2350
- OpenAlex
- W2095593135
- Cited by
- 36
- References
- 12
- Citations by year
- 2025: 1 · 2024: 1 · 2023: 1 · 2022: 1 · 2021: 2 · 2019: 1 · 2017: 1 · 2016: 1 · 2015: 2 · 2014: 4 · 2013: 1 · 2012: 3
- FWCI
- 1.07
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Human Reproduction (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Reproductive Medicine › Endometriosis Research and Treatment
- Health Sciences › Medicine › Obstetrics and Gynecology › Gynecological conditions and treatments
- Health Sciences › Medicine › Surgery › Teratomas and Epidermoid Cysts
- Keywords
- endometrioma, iron content, T2 signal intensity, T1 relaxation time, T2 relaxation time
- MeSH terms
- Adult, Endometriosis, Female, Humans, Iron, Magnetic Resonance Imaging, Ovarian Cysts
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