Works by Ohya, Ayumi

Results: 19

Limited diagnostic performance of imaging evaluation for staging in gastric-type endocervical adenocarcinoma: a multi-center study.

Published in:

Japanese Journal of Radiology, 2025, v. 43, n. 5, p. 810, doi. 10.1007/s11604-024-01713-1

By:

Himoto, Yuki;
Kido, Aki;
Yamanoi, Koji;
Kurata, Yasuhisa;
Morita, Satoshi;
Kikkawa, Nao;
Fukui, Hideyuki;
Ohya, Ayumi;
Iraha, Yuko;
Tsuboyama, Takahiro;
Ito, Kimiteru;
Fujinaga, Yasunari;
Minamiguchi, Sachiko;
Mandai, Masaki;
Nakamoto, Yuji

Publication type:

Article

Usefulness of decision tree analysis of MRI features for diagnosis of placenta accreta spectrum in cases with placenta previa.

Published in:

Japanese Journal of Radiology, 2025, v. 43, n. 3, p. 492, doi. 10.1007/s11604-024-01684-3

By:

Tanaka, Yasuhiro;
Ando, Hirofumi;
Miyamoto, Tsutomu;
Yokokawa, Yusuke;
Ono, Motoki;
Asaka, Ryoichi;
Kobara, Hisanori;
Fuseya, Chiho;
Kikuchi, Norihiko;
Ohya, Ayumi;
Fujinaga, Yasunari;
Shiozawa, Tanri

Publication type:

Article

Optimal combination of microcoils, flow control, and n-butyl cyanoacrylate–Lipiodol–iopamidol (2:3:1) for feasible embolization of medium-sized arteries in an in vitro vascular model.

Published in:

Japanese Journal of Radiology, 2025, v. 43, n. 2, p. 301, doi. 10.1007/s11604-024-01667-4

By:

Suzuki, Takeshi;
Matsuda, Jun;
Tsukahara, Yoshinori;
Ohya, Ayumi;
Yamada, Akira;
Kurozumi, Masahiro;
Fujinaga, Yasunari

Publication type:

Article

Magnetic resonance imaging findings of cystic ovarian tumors: major differential diagnoses in five types frequently encountered in daily clinical practice.

Published in:

2022

By:

Ohya, Ayumi;
Fujinaga, Yasunari

Publication type:

journal article

Evaluation of hemodynamic imaging findings of hypervascular hepatocellular carcinoma: comparison between dynamic contrast-enhanced magnetic resonance imaging using radial volumetric imaging breath-hold examination with k-space-weighted image contrast reconstruction and dynamic computed tomography during hepatic arteriography.

Published in:

2018

By:

Kurozumi, Masahiro;
Fujinaga, Yasunari;
Kitou, Yoshihiro;
Yamada, Akira;
Ohya, Ayumi;
Adachi, Yasuo;
Tsukahara, Yoshinori;
Nickel, Marcel D.;
Maruyama, Katsuya;
Uehara, Takeshi;
Miyagawa, Shin-ichi;
Kadoya, Masumi

Publication type:

journal article

Assessment of treatment outcomes based on tumor marker trends in patients with recurrent hepatocellular carcinoma undergoing trans-catheter arterial chemo-embolization.

Published in:

International Journal of Clinical Oncology, 2014, v. 19, n. 5, p. 871, doi. 10.1007/s10147-013-0634-6

By:

Arai, Takuma;
Kobayashi, Akira;
Ohya, Ayumi;
Takahashi, Masaaki;
Yokoyama, Takahide;
Shimizu, Akira;
Motoyama, Hiroaki;
Furusawa, Norihiko;
Notake, Tsuyoshi;
Kitagawa, Noriyuki;
Sakai, Hiroshi;
Imamura, Hiroshi;
Kadoya, Masumi;
Miyagawa, Shin-ichi

Publication type:

Article

Gastric gland mucin-specific O-glycan expression decreases with tumor progression from precursor lesions to pancreatic cancer.

Published in:

Cancer Science, 2017, v. 108, n. 9, p. 1897, doi. 10.1111/cas.13317

By:

Ohya, Ayumi;
Yamanoi, Kazuhiro;
Shimojo, Hisashi;
Fujii, Chifumi;
Nakayama, Jun

Publication type:

Article

Effect of hepatobiliary uptake of Gd-EOB-DTPA on the hepatic venous phase of dynamic magnetic resonance imaging on a 3.0-T apparatus: comparison between Gd-EOB-DTPA and Gd-DTPA.

Published in:

2011

By:

Fujinaga Y;
Ohya A;
Matsushita T;
Kurozumi M;
Ueda K;
Kitou Y;
Ueda H;
Kadoya M;
Fujinaga, Yasunari;
Ohya, Ayumi;
Matsushita, Tsuyoshi;
Kurozumi, Masahiro;
Ueda, Kazuhiko;
Kitou, Yoshihiro;
Ueda, Hitoshi;
Kadoya, Masumi

Publication type:

journal article

Usefulness of the 'cosmos pattern' for differentiating between cervical gastric‐type mucin‐positive lesions and other benign cervical cystic lesions in magnetic resonance images.

Published in:

Journal of Obstetrics & Gynaecology Research, 2021, v. 47, n. 2, p. 745, doi. 10.1111/jog.14602

By:

Ohya, Ayumi;
Kobara, Hisanori;
Miyamoto, Tsutomu;
Komatsu, Mai;
Shiozawa, Tanri;
Fujinaga, Yasunari

Publication type:

Article

Uterine cervical adenocarcinoma associated with lobular endocervical glandular hyperplasia: Radiologic–pathologic correlation.

Published in:

Journal of Obstetrics & Gynaecology Research, 2018, v. 44, n. 2, p. 312, doi. 10.1111/jog.13528

By:

Ohya, Ayumi;
Asaka, Shiho;
Fujinaga, Yasunari;
Kadoya, Masumi

Publication type:

Article

Epithelioid trophoblastic tumor of the uterus: A case report with radiologic-pathologic correlation.

Published in:

Journal of Obstetrics & Gynaecology Research, 2017, v. 43, n. 8, p. 1360, doi. 10.1111/jog.13353

By:

Ohya, Ayumi;
Higuchi, Kayoko;
Shimojo, Hisashi;
Fujinaga, Yasunari;
Kadoya, Masumi;
Shiohara, Shigeki

Publication type:

Article

Polypoid endometriosis of the ovary mimicking ovarian carcinoma dissemination: A case report and literature review.

Published in:

Journal of Obstetrics & Gynaecology Research, 2014, v. 40, n. 5, p. 1426, doi. 10.1111/jog.12358

By:

Yamada, Yasushi;
Miyamoto, Tsutomu;
Horiuchi, Akiko;
Ohya, Ayumi;
Shiozawa, Tanri

Publication type:

Article

Advantages of radial volumetric breath-hold examination (VIBE) with k-space weighted image contrast reconstruction (KWIC) over Cartesian VIBE in liver imaging of volunteers simulating inadequate or no breath-holding ability.

Published in:

2016

By:

Fujinaga, Yasunari;
Kitou, Yoshihiro;
Ohya, Ayumi;
Adachi, Yasuo;
Tamaru, Naomichi;
Shiobara, Aya;
Ueda, Hitoshi;
Nickel, Marcel;
Maruyama, Katsuya;
Kadoya, Masumi;
Nickel, Marcel D

Publication type:

journal article

Radial volumetric imaging breath-hold examination (VIBE) with k-space weighted image contrast (KWIC) for dynamic gadoxetic acid (Gd-EOB-DTPA)-enhanced MRI of the liver: advantages over Cartesian VIBE in the arterial phase.

Published in:

European Radiology, 2014, v. 24, n. 6, p. 1290, doi. 10.1007/s00330-014-3122-0

By:

Fujinaga, Yasunari;
Ohya, Ayumi;
Tokoro, Hirokazu;
Yamada, Akira;
Ueda, Kazuhiko;
Ueda, Hitoshi;
Kitou, Yoshihiro;
Adachi, Yasuo;
Shiobara, Aya;
Tamaru, Naomichi;
Nickel, Marcel;
Maruyama, Katsuya;
Kadoya, Masumi

Publication type:

Article

Placental Mesenchymal Dysplasia: Chronological Observation of Placental Images during Gestation and Review of the Literature.

Published in:

Gynecologic & Obstetric Investigation, 2013, v. 75, n. 4, p. 217, doi. 10.1159/000350661

By:

Ohira, Satoshi;
Ookubo, Nao;
Tanaka, Kyoko;
Takatsu, Akiko;
Kobara, Hisanori;
Kikuchi, Norihiko;
Ohya, Ayumi;
Kanai, Makoto;
Shiozawa, Tanri

Publication type:

Article

Pseudo-myometrial thinning in placental site trophoblastic tumors: a case series with multiparametric MRI.

Published in:

Abdominal Radiology, 2025, v. 50, n. 1, p. 538, doi. 10.1007/s00261-024-04535-x

By:

Tsuboyama, Takahiro;
Fukuzawa, Takuya;
Nakaya, Moto;
Toyama, Yasuchiyo;
Ohya, Ayumi;
Sano, Katsuhiro;
Takahata, Akiko;
Kido, Kansuke;
Tomiyama, Noriyuki

Publication type:

Article

MR diagnosis of SCC arising within ovarian cystic teratomas: analysis of mural nodule characteristics.

Published in:

Abdominal Radiology, 2024, v. 49, n. 4, p. 1264, doi. 10.1007/s00261-024-04186-y

By:

Fukuzawa, Takuya;
Ohya, Ayumi;
Tanaka, Mika;
Shimizu, Marika;
Kobayashi, Kentaro;
Matsushita, Tomohito;
Watanabe, Tomofumi;
Kobara, Hisanori;
Fujinaga, Yasunari

Publication type:

Article

Useful preoperative examination findings to classify the grade of ovarian primary mucinous tumor.

Published in:

Abdominal Radiology, 2021, v. 46, n. 6, p. 2393, doi. 10.1007/s00261-020-02918-4

By:

Ohya, Ayumi;
Ichinohe, Fumihito;
Matoba, Hisanori;
Kobara, Hisanori;
Fujinaga, Yasunari

Publication type:

Article

Problems of magnetic resonance diagnosis for gastric-type mucin-positive cervical lesions of the uterus and its solutions using artificial intelligence.

Published in:

PLoS ONE, 2024, v. 19, n. 12, p. 1, doi. 10.1371/journal.pone.0315862

By:

Ohya, Ayumi;
Miyamoto, Tsutomu;
Ichinohe, Fumihito;
Kobara, Hisanori;
Fujinaga, Yasunari;
Shiozawa, Tanri

Publication type:

Article