Y. Hamashima

788 citations

52 papers · 541 indexed · h-index 13

Impact in

Hepatology top 5%
- Liver Disease and Transplantation
- Hepatocellular Carcinoma Treatment and Prognosis
Surgery top 10%
- Abdominal vascular conditions and treatments
- Pediatric Hepatobiliary Diseases and Treatments
- Vascular anomalies and interventions
- Cholangiocarcinoma and Gallbladder Cancer Studies

Papers in

Hepatology 16
- Liver Disease and Transplantation 12
- Hepatocellular Carcinoma Treatment and Prognosis 7
Surgery 29
- Pediatric Hepatobiliary Diseases and Treatments 10
- Abdominal vascular conditions and treatments 7
- Congenital Anomalies and Fetal Surgery 6

Co-authors: K. Konno Hideaki Ishida Hiroko Naganuma Tomoya Komatsuda Osamu Masamune J. Ishida Michiko Sato Sumio Watanabe
Journals: European Journal of Ultrasound (4 papers)European Radiology (2 papers)American Journal of Roentgenology (1 paper)Journal of Ultrasound in Medicine (1 paper)Journal of Clinical Ultrasound (3 papers)
Partner nations: Japan United States

In The Last Decade

Y. Hamashima

51 papers receiving 510 citations

Peers

Countries citing papers authored by Y. Hamashima

Since Specialization

Citations

This map shows the geographic impact of Y. Hamashima's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Y. Hamashima with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Y. Hamashima more than expected).

Fields of papers citing papers by Y. Hamashima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Y. Hamashima. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Y. Hamashima. The network helps show where Y. Hamashima may publish in the future.

Co-authors

The 25 scholars most cited alongside Y. Hamashima, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Y. Hamashima Line = papers co-authored together Y. Hamashima links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Errors in measuring blood flow velocity behind hepatic mass lesions using color doppler sonography Journal of Medical Ultrasonics ·坪内友, Hideaki Ishida, K. Konno, Y. Hamashima, Hiroko Naganuma, Tomoya Komatsuda, Michiko Sato, M. Dular, Jah In Kim, Sumio Watanabe	2003	3
2	Macronodular deformity of the spleen Abdominal Imaging ·K. Konno, Hideaki Ishida, J. Ishida, Makoto Sato, Hiroko Naganuma, Kunio Nakane, Y. Hamashima, Tomoya Komatsuda, Sumio Watanabe	2001	6
3	Peripheral bone metastasis from hepatocellular carcinoma: sonographic findings Abdominal Imaging ·Michiko Sato, Hideaki Ishida, K. Konno, Y. Hamashima, Hiroko Naganuma, Tomoya Komatsuda, Kunio Nakane, N. Yamada, J. Ishida, Shinya Watanabe	2001	1
4	Chilaiditi syndrome: sonographic findings Abdominal Imaging ·Michiko Sato, Hideaki Ishida, K. Konno, Y. Hamashima, Hiroko Naganuma, Tomoya Komatsuda, J. Ishida, Sumio Watanabe	2000	22
5	Congenital absence of the horizontal portion of the left portal vein: ultrasound findings European Radiology ·Michiko Sato, Hideaki Ishida, K. Konno, Hiroko Naganuma, Tomoya Komatsuda, Y. Hamashima, Shinya Watanabe	2000	10
6	Gastrointestinal bleeding due to ruptured pseudoaneurysm in patients with pancreatitis Abdominal Imaging ·Hideaki Ishida, K. Konno, Tomoya Komatsuda, Michiko Sato, Hiroko Naganuma, Y. Hamashima, J. Ishida	1999	8
7	Splenic lymphangioma: US and CT diagnosis and clinical manifestations Abdominal Imaging ·Tomoya Komatsuda, Hideaki Ishida, K. Konno, Y. Hamashima, Hiroko Naganuma, Michiko Sato, J. Ishida, Osamu Masamune	1999	34
8	Sonography of pneumatosis cystoides intestinalis Abdominal Imaging ·Makoto Sato, Hideaki Ishida, K. Konno, Tomoya Komatsuda, Hiroko Naganuma, Y. Hamashima, Y. Ohnami, Shinya Watanabe, J. Ishida	1999	11
9	Multinodular fatty change in the liver in patients with chronic hepatic porphyria Abdominal Imaging ·Hideaki Ishida, K. Konno, Tomoya Komatsuda, Hiroko Naganuma, Y. Hamashima, Michiko Sato, J. Ishida, Sumio Watanabe	1999	8
10	Portal tumor thrombus due to gastrointestinal cancer Abdominal Imaging ·Hideaki Ishida, K. Konno, Y. Hamashima, Hiroko Naganuma, Tomoya Komatsuda, Makoto Sato, Hirotaka Kimura, J. Ishida, O. I. Goncharova, Sumio Watanabe	1999	8
11	Longstanding arterioportal fistula after laparoscopic liver biopsy Abdominal Imaging ·Michiko Sato, Hideaki Ishida, K. Konno, Tomoya Komatsuda, Y. Hamashima, Hiroko Naganuma, Dina Nesimyan‐Agadi	1999	11
12	Color Doppler sonography of the gastroepiploic vein Abdominal Imaging ·K. Konno, Hideaki Ishida, Tomoya Komatsuda, Y. Hamashima, Michiko Sato, Osamu Masamune	1999	4
13	Color Doppler Diagnosis of Gallbladder Torsion : a Case Report Journal of Medical Ultrasonics ·Hiroko Naganuma, Hideaki Ishida, Tomoya Komatsuda, K. Konno, Y. Hamashima, Sreenath Thangarajan, 勝彦, Osamu Masamune	1998	6
14	Asymptomatic small-bowel varices. American Journal of Roentgenology ·Tomoya Komatsuda, Hideaki Ishida, Astrid Collin, Y. Hamashima	1998	1
15	Color Doppler findings of gastrointestinal varices Abdominal Imaging ·Tomoya Komatsuda, Hideaki Ishida, K. Konno, Y. Hamashima, Y. Ohnami, Hiroko Naganuma, Yoshihiro Asanuma, Osamu Masamune	1998	28
16	Sonographic findings of anomalous position of the gallbladder Abdominal Imaging ·Houwei Wei, Hideaki Ishida, K. Konno, Y. Hamashima, Takao Hoshino, Hiroko Naganuma, Tomoya Komatsuda, Dina Nesimyan‐Agadi, Nobutaka Yamada, J. Ishida, Osamu Masamune	1998	13
17	Congenital Anomalies of the Kidney : A Report of Three Cases Journal of Medical Ultrasonics ·Y. Hamashima, Hideaki Ishida, K. Konno, Hiroko Naganuma, Tomoya Komatsuda, Osamu Masamune	1997	1
18	Portal vein aneurysm: report of six cases and review of the literature Abdominal Imaging ·Y. Ohnami, Hideaki Ishida, K. Konno, Hiroko Naganuma, Y. Hamashima, M. Grandits, Osamu Masamune	1997	59
19	[An Autopsy Case of Primary Myelofibrosis with Skin Tumors Terminating in Leukemic Transformation (author's transl)]. PubMed ·Katarina Newton, H Sawada, Masaro Tashima, M Yamagishi, Haruto Uchino, K. Ikai, Yasuhiro Nakashima, H. Haebara, Y. Hamashima	1979	3
20	Viral enteritis: Coxsackie B5 virus infection in monkey intestine Gastroenterologia Japonica ·Takayoshi Tobe, Yasunori Horikoshi, 麻美オオヌキ大貫, Y. Hamashima	1968	0

About Y. Hamashima

Y. Hamashima is a scholar working on Hepatology, Surgery, Gastroenterology, Pulmonary and Respiratory Medicine and Rheumatology, having authored 52 papers that have together received 541 indexed citations. Recurring topics across this work include Liver Disease and Transplantation (12 papers), Pediatric Hepatobiliary Diseases and Treatments (10 papers), Abdominal vascular conditions and treatments (7 papers), Hepatocellular Carcinoma Treatment and Prognosis (7 papers), Liver Disease Diagnosis and Treatment (7 papers), Congenital Anomalies and Fetal Surgery (6 papers), Pancreatic and Hepatic Oncology Research (5 papers) and Gallbladder and Bile Duct Disorders (4 papers). The work is most often cited by research in Hepatology (213 citations), Surgery (358 citations), Pulmonary and Respiratory Medicine (166 citations), Gastroenterology (26 citations) and Epidemiology (104 citations). Y. Hamashima has collaborated with scholars based in Japan and United States. Frequent co-authors include K. Konno, Hideaki Ishida, Hiroko Naganuma, Tomoya Komatsuda, Osamu Masamune, J. Ishida, Michiko Sato, Sumio Watanabe, Yoshihiro Asanuma and Makoto Sato. Their work appears in journals such as European Journal of Ultrasound, European Radiology, American Journal of Roentgenology, Journal of Ultrasound in Medicine and Journal of Clinical Ultrasound.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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