抄録
Purpose: To investigate whether amide proton transfer (APT) imaging is useful to differentiate benign ovarian cystic lesions. Materials and methods: This prospective study enrolled a total of 19 lesions in 18 patients with benign ovarian cystic lesion: serous cystadenoma (SCA), n = 4; mucinous cystadenoma (MCA), n = 9; or functional cyst (FC), n = 6. APT imaging was performed with three different presaturation pulse durations: 0.5, 1.0 and 2.0 s. APT signal was defined as magnetization transfer ratio asymmetry at 3.5 ppm. The SI ratios of cyst to muscle calculated on T1- and T2-weighted images were defined as T1- and T2-ratios. Apparent diffusion coefficient (ADC) maps were also generated. We compared the three cystic lesion groups’ APT signals, T1-ratio, T2-ratio, and ADC. Results: When using 2.0 s of presaturation, the APT signals were 1.41 ± 0.71% in SCA, 5.15 ± 1.92% in MCA and 8.52 ± 1.17% in FC. Significant differences were observed between SCA and MCA (p <.01) and MCA and FC (p <.05), as well as between SCA and FC (P <.0001). When 1.0 s presaturation pulse was used, similar results were obtained. On the other hand, ADC value shows significance only between SCA (2.91±0.03×10−3 mm2/s) and MCA (2.59 ± 0.49 × 10−3 mm2/s, p <.05). Further, there was no significant difference in the T1-ratio, T2-ratio among the three groups. Conclusions: APT imaging might be useful for the non-invasive diagnosis of benign ovarian cystic lesions. With the use of the longer presaturation pulse as possible, APT imaging may provide an early and correct diagnosis of ovarian cystic lesions without additional follow-up studies.
| 元の言語 | 英語 |
|---|---|
| 記事番号 | 108656 |
| ジャーナル | European Journal of Radiology |
| 巻 | 120 |
| DOI | |
| 出版物ステータス | 出版済み - 11 2019 |
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All Science Journal Classification (ASJC) codes
- Radiology Nuclear Medicine and imaging
これを引用
Amide proton transfer imaging for differentiating benign ovarian cystic lesions : Potential of first time right. / Ishimatsu, Keisuke; Nishie, Akihiro; Takayama, Yukihisa; Asayama, Yoshiki; Ushijima, Yasuhiro; Kakihara, Daisuke; Morita, Koichiro; Takao, Seiichiro; Sonoda, Kenzo; Ohishi, Yoshihiro; Honda, Hiroshi.
：: European Journal of Radiology, 巻 120, 108656, 11.2019.研究成果: ジャーナルへの寄稿 › 記事
}
TY - JOUR
T1 - Amide proton transfer imaging for differentiating benign ovarian cystic lesions
T2 - Potential of first time right
AU - Ishimatsu, Keisuke
AU - Nishie, Akihiro
AU - Takayama, Yukihisa
AU - Asayama, Yoshiki
AU - Ushijima, Yasuhiro
AU - Kakihara, Daisuke
AU - Morita, Koichiro
AU - Takao, Seiichiro
AU - Sonoda, Kenzo
AU - Ohishi, Yoshihiro
AU - Honda, Hiroshi
PY - 2019/11
Y1 - 2019/11
N2 - Purpose: To investigate whether amide proton transfer (APT) imaging is useful to differentiate benign ovarian cystic lesions. Materials and methods: This prospective study enrolled a total of 19 lesions in 18 patients with benign ovarian cystic lesion: serous cystadenoma (SCA), n = 4; mucinous cystadenoma (MCA), n = 9; or functional cyst (FC), n = 6. APT imaging was performed with three different presaturation pulse durations: 0.5, 1.0 and 2.0 s. APT signal was defined as magnetization transfer ratio asymmetry at 3.5 ppm. The SI ratios of cyst to muscle calculated on T1- and T2-weighted images were defined as T1- and T2-ratios. Apparent diffusion coefficient (ADC) maps were also generated. We compared the three cystic lesion groups’ APT signals, T1-ratio, T2-ratio, and ADC. Results: When using 2.0 s of presaturation, the APT signals were 1.41 ± 0.71% in SCA, 5.15 ± 1.92% in MCA and 8.52 ± 1.17% in FC. Significant differences were observed between SCA and MCA (p <.01) and MCA and FC (p <.05), as well as between SCA and FC (P <.0001). When 1.0 s presaturation pulse was used, similar results were obtained. On the other hand, ADC value shows significance only between SCA (2.91±0.03×10−3 mm2/s) and MCA (2.59 ± 0.49 × 10−3 mm2/s, p <.05). Further, there was no significant difference in the T1-ratio, T2-ratio among the three groups. Conclusions: APT imaging might be useful for the non-invasive diagnosis of benign ovarian cystic lesions. With the use of the longer presaturation pulse as possible, APT imaging may provide an early and correct diagnosis of ovarian cystic lesions without additional follow-up studies.
AB - Purpose: To investigate whether amide proton transfer (APT) imaging is useful to differentiate benign ovarian cystic lesions. Materials and methods: This prospective study enrolled a total of 19 lesions in 18 patients with benign ovarian cystic lesion: serous cystadenoma (SCA), n = 4; mucinous cystadenoma (MCA), n = 9; or functional cyst (FC), n = 6. APT imaging was performed with three different presaturation pulse durations: 0.5, 1.0 and 2.0 s. APT signal was defined as magnetization transfer ratio asymmetry at 3.5 ppm. The SI ratios of cyst to muscle calculated on T1- and T2-weighted images were defined as T1- and T2-ratios. Apparent diffusion coefficient (ADC) maps were also generated. We compared the three cystic lesion groups’ APT signals, T1-ratio, T2-ratio, and ADC. Results: When using 2.0 s of presaturation, the APT signals were 1.41 ± 0.71% in SCA, 5.15 ± 1.92% in MCA and 8.52 ± 1.17% in FC. Significant differences were observed between SCA and MCA (p <.01) and MCA and FC (p <.05), as well as between SCA and FC (P <.0001). When 1.0 s presaturation pulse was used, similar results were obtained. On the other hand, ADC value shows significance only between SCA (2.91±0.03×10−3 mm2/s) and MCA (2.59 ± 0.49 × 10−3 mm2/s, p <.05). Further, there was no significant difference in the T1-ratio, T2-ratio among the three groups. Conclusions: APT imaging might be useful for the non-invasive diagnosis of benign ovarian cystic lesions. With the use of the longer presaturation pulse as possible, APT imaging may provide an early and correct diagnosis of ovarian cystic lesions without additional follow-up studies.
UR - http://www.scopus.com/inward/record.url?scp=85072246609&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85072246609&partnerID=8YFLogxK
U2 - 10.1016/j.ejrad.2019.108656
DO - 10.1016/j.ejrad.2019.108656
M3 - Article
C2 - 31541877
AN - SCOPUS:85072246609
VL - 120
JO - European Journal of Radiology
JF - European Journal of Radiology
SN - 0720-048X
M1 - 108656
ER -