Journal of Yeungnam Medical Science

Original articles

Comparison of serum anti-Müllerian hormone between unilateral and bilateral ovarian endometriomas during follicular, luteal, and random menstrual phases: a retrospective study: Juhun Lee, Jong Mi Kim, Gun Oh Chong, Dae Gy Hong, Yoon Hee Lee; J Yeungnam Med Sci. 2023;40(Suppl):S65-S72. Published online September 22, 2023; DOI: https://doi.org/10.12701/jyms.2023.00661

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Background
Over the last two decades, serum levels of anti-Müllerian hormone (AMH) have been shown to be reliable markers of ovarian reserve. This study aimed to compare baseline serum AMH levels and well-controlled clinical factors between patients with unilateral and bilateral ovarian endometriomas during the menstrual phase.
Methods
We conducted a retrospective study. We enrolled 136 patients aged 18 to 36 years who were diagnosed with unilateral or bilateral ovarian endometriomas. Serum AMH levels of all patients and their latest two to three menstrual cycles were measured before surgery for ovarian endometriomas. The latest menstrual cycle length ranged from 26 to 30 days. Patients with irregular menstruation, a recent medication history of hormonal drugs other than oral contraceptive pills, a previous history of ovarian surgery, or any medical history influencing ovarian function were excluded.
Results
Of the 136 patients, 76 (55.9%) had unilateral ovarian endometriomas and 60 (44.1%) had bilateral ovarian endometriomas. Serum AMH levels were not significantly different between the two groups in the follicular phase, luteal phase, or at any random time point.
Conclusion
Serum AMH levels were not significantly different between unilateral and bilateral ovarian endometriomas in the follicular and luteal phases, or at any random time during the menstrual cycle when various confounding factors were excluded.

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The Relationship Between Serum Anti-Müllerian Hormone and Basal Antral Follicle Count in Infertile Women Under 35 Years: An Assessment of Ovarian Reserve
Ummey Nazmin Islam, Anwara Begum, Fatema Rahman, Md. Ahsanul Haq, Santosh Kumar, Kona Chowdhury, Susmita Sinha, Mainul Haque, Rahnuma Ahmad
Cureus.2023;[Epub] CrossRef

Usefulness of subtraction pelvic magnetic resonance imaging for detection of ovarian endometriosis: Hyun Jung Lee; Yeungnam Univ J Med. 2020;37(2):90-97. Published online October 10, 2019; DOI: https://doi.org/10.12701/yujm.2019.00353

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Abstract PDF

Background
To minimize damage to the ovarian reserve, it is necessary to evaluate the follicular density in the ovarian tissue surrounding endometrioma on preoperative imaging. The purpose of the present study was to evaluate the usefulness of subtraction pelvic magnetic resonance imaging (MRI) to detect ovarian reserve.
Methods
A subtracted T1-weighted image (subT1WI) was obtained by subtracting unenhanced T1WI from contrast-enhanced T1WI (ceT1WI) with similar parameters in 22 patients with ovarian endometrioma. The signal-to-noise ratio (SNR) in ovarian endometrioma, which was classified into the high signal intensity and iso-to-low signal intensity groups on the T2-weighted image, was compared to that in normal ovarian tissue. To evaluate the effect of contrast enhancement, a standardization map was obtained by dividing subT1WI by ceT1WI.
Results
On visual assessment of 22 patients with ovarian endometrioma, 16 patients showed a high signal intensity, and 6 patients showed an iso-to-low signal intensity on T1WI. Although SNR in endometrioma with a high signal intensity was higher than that with an iso-to-low signal intensity, there was no difference in SNR after the subtraction (13.72±77.55 vs. 63.03±43.90, p=0.126). The area of the affected ovary was smaller than that of the normal ovary (121.10±22.48 vs. 380.51±75.87 mm2, p=0.002), but the mean number of pixels in the viable remaining tissue of the affected ovary was similar to that of the normal ovary (0.53±0.09 vs. 0.47±0.09, p=0.682).
Conclusion
The subtraction technique used with pelvic MRI could reveal the extent of endometrial invasion of the normal ovarian tissue and viable remnant ovarian tissue.

Citations

Citations to this article as recorded by

Biaxial ultrasound driving technique for small animal blood–brain barrier opening
Carly Pellow, Siyun Li, Sagid Delgado, G Bruce Pike, Laura Curiel, Samuel Pichardo
Physics in Medicine & Biology.2023; 68(19): 195006. CrossRef
Magnetic resonance imaging texture analysis for the evaluation of viable ovarian tissue in patients with ovarian endometriosis: a retrospective case-control study
Dayong Lee, Hyun Jung Lee
Journal of Yeungnam Medical Science.2022; 39(1): 24. CrossRef
Diagnosis and Nursing Intervention of Gynecological Ovarian Endometriosis with Magnetic Resonance Imaging under Artificial Intelligence Algorithm
Nijie Jiang, Hong Xie, Jiao Lin, Yun Wang, Yanan Yin, Arpit Bhardwaj
Computational Intelligence and Neuroscience.2022; 2022: 1. CrossRef

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