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Masatoshi Akamatsu · SciRah

Researcher profile · Semantic Scholar

Masatoshi Akamatsu

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Masatoshi Akamatsu — researcher profile on SciRah

h-index: 11
Works: 44
Citations: 602

Most-cited papers

Prediction of recurrence of hepatocellular carcinoma after curative ablation using three tumor markers
R. Tateishi, S. Shiina, H. Yoshida, T. Teratani +6 more
2006Hepatology148 citations Open access
Semantic Scholar
Health‐related quality of life of chronic liver disease patients with and without hepatocellular carcinoma
Y. Kondo, H. Yoshida, R. Tateishi, S. Shiina +11 more
2007Journal of Gastroenterology and Hepatology65 citations
Semantic Scholar
Congenital absence of portal vein with multiple hyperplastic nodular lesions in the liver
Yasuo Tanaka, Masaki Takayanagi, Y. Shiratori, Y. Imai +12 more
2003Journal of gastroenterology58 citations
Semantic Scholar
Evaluation of transcatheter arterial embolization prior to percutaneous tumor ablation in patients with hepatocellular carcinoma: a randomized controlled trial
Masatoshi Akamatsu, H. Yoshida, S. Obi, Shin'pei Sato +9 more
2004Liver international (Print)57 citations Open access
Semantic Scholar
Impact of Adverse Events on the Progression-Free Survival of Patients with Advanced Hepatocellular Carcinoma Treated with Lenvatinib: A Multicenter Retrospective Study
T. Ohki, Koki Sato, Mayuko Kondo, Eriko Goto +7 more
2020Drugs - Real World Outcomes40 citations Open access
Semantic Scholar
Machine learning for individualized prediction of hepatocellular carcinoma development after the eradication of hepatitis C virus with antivirals.
T. Minami, Masaya Sato, H. Toyoda, S. Yasuda +41 more
2023Journal of Hepatology35 citations Open access
Semantic Scholar
Impact of Obesity and Heavy Alcohol Consumption on Hepatocellular Carcinoma Development after HCV Eradication with Antivirals
T. Minami, R. Tateishi, N. Fujiwara, Ryo Nakagomi +38 more
2021Liver Cancer30 citations Open access
Semantic Scholar
Cool-tip型電極を用いた経皮的ラジオ波灼療法による肝細胞癌の治療
S. Shiina, T. Teratani, S. Obi, Shin'pei Sato +10 more
200025 citations Open access
Semantic Scholar
Impact of a Novel Digital Therapeutics System on Nonalcoholic Steatohepatitis: The NASH App Clinical Trial
Masaya Sato, Masatoshi Akamatsu, T. Shima, T. Ikegami +11 more
2022American Journal of Gastroenterology20 citations Open access
Semantic Scholar
Sustained viral response prolonged survival of patients with C‐viral hepatocellular carcinoma
Masatoshi Akamatsu, H. Yoshida, S. Shiina, T. Teratani +6 more
2006Liver international (Print)17 citations Open access
Semantic Scholar
Analysis of factors influencing hepatocellular carcinoma detection: efficient use of computed tomography during arterial portography and during hepatic arteriography
Tomonori Fujishima, H. Yoshida, S. Obi, S. Shiina +9 more
2005Journal of gastroenterology12 citations Open access
Semantic Scholar
Changes in hepatic functional reserve after percutaneous tumor ablation for hepatocellular carcinoma: long-term follow up for 227 consecutive patients with a single lesion
Y. Koike, H. Yoshida, S. Shiina, T. Teratani +10 more
2007Hepatology International11 citations Open access
Semantic Scholar
Neither hepatitis C virus genotype nor virus load affects survival of patients with hepatocellular carcinoma
Masatoshi Akamatsu, H. Yoshida, S. Shiina, T. Teratani +8 more
2004European Journal of Gastroenterology and Hepathology11 citations
Semantic Scholar
A novel display of reconstruction computed tomography for the detection of small hepatocellular carcinoma
T. Teratani, H. Yoshida, S. Shiina, Obi Shuntaro +9 more
2004Liver international (Print)11 citations Open access
Semantic Scholar
Clinical features of patients with HCC who are negative for both HBV and HCV markers.
H. Watabe, Y. Shiratori, R. Tateishi, Tomonori Fujishima +8 more
2003Hepato-Gastroenterology11 citations
Semantic Scholar
Relationship between outcomes and relative dose intensity of lenvatinib treatment in patients with advanced hepatocellular carcinoma
T. Ohki, Koki Sato, Mayuko Kondo, Eriko Goto +7 more
20209 citations Open access
Semantic Scholar
Effectiveness of direct acting antiviral agents for hepatitis C virus related recurrent hepatocellular carcinoma patients who had multiple courses of recurrence
T. Ohki, Koki Sato, Mayuko Kondo, Eriko Goto +7 more
2021Journal of Viral Hepatitis8 citations Open access
Semantic Scholar
A new method for insertion of long intestinal tube for small bowel obstruction
Kazuma Sekiba, T. Ohmae, Nariaki Odawara, M. Moriyama +6 more
2016Medicine8 citations Open access
Semantic Scholar
Age-related comparison of the profiles of patients with hepatocellular carcinoma.
Tomonori Fujishima, T. Ishikawa, Y. Shiratori, M. Kanda +11 more
2006Hepato-Gastroenterology8 citations
Semantic Scholar
Factors predisposing to poorly differentiated hepatocellular carcinoma and its recurrence.
Masatoshi Akamatsu, T. Ishikawa, Y. Shiratori, Y. Koike +10 more
2005Hepato-Gastroenterology8 citations
Semantic Scholar
Temporal trends and regional variations in hepatocellular carcinoma etiology: a multinational study across Asia
Yasuto Takeuchi, R. Tateishi, S. Obi, Motoyuki Otsuka +76 more
2026Hepatology International3 citations Open access
Semantic Scholar
Atezolizumab plus bevacizumab as a second-line treatment after lenvatinib failure
T. Ohki, Mayuko Kondo, Koki Sato, Eriko Goto +10 more
2021Kanzo3 citations Open access
Semantic Scholar
A study on prevention of bleeding complications using lusutrombopag for safe RFA in patients with hepatocellular carcinoma with low platelet counts: prospective observational study
H. Yoshida, T. Ohki, Mineo Kanezaki, T. Teratani +6 more
2023BMC Gastroenterology1 citations Open access
Semantic Scholar
[A patient with recurrent sigmoid colon cancer in whom pleural effusion and ascites resolved after FOLFOX 4 therapy].
Masatoshi Akamatsu, Yousuke Tsuji, Wachiko Nakata, T. Ohmae +3 more
2007Gan to kagaku ryoho. Cancer & chemotherapy1 citations
Semantic Scholar
Recurrence after radiofrequency ablation for hepatocellular carcinoma
S. Shiina, T. Teratani, Shin'pei Sato, R. Tateishi +13 more
20031 citations Open access
Semantic Scholar
Changes in hepatic functional reserve after percutaneous tumor ablation for hepatocellular carcinoma-long-term follow up for 227 consecutive patients with a single lesion
Y. Koike, H. Yoshida, S. Shiina, T. Teratani +8 more
20031 citations
Semantic Scholar
Proposal of a new prognostic model for hepatocellular carcinoma tokyo score
R. Tateishi, H. Yoshida, S. Shiina, H. Imamura +14 more
20031 citations
Semantic Scholar
Radiofrequency ablation (RFA) for hepatocellular carcinoma adjacent to other organs
T. Teratani, S. Shiina, Shin'pei Sato, S. Obi +10 more
20031 citations Open access
Semantic Scholar
Eosinophilic esophagitis among subjects undergoing esophagogastroduodenoscopy during medical checkups
Makoto Okamoto, Y. Genma, T. Yoshikawa, D. Mohri +3 more
2026Progress of Digestive Endoscopy0 citations Open access
Semantic Scholar
Spontaneous negativation of serum hepatitis C virus RNA in type C chronic liver disese: A retrospective study
Kazuma Sekiba, Masatoshi Akamatsu, M. Okamoto
20150 citations Open access
Semantic Scholar
Duodenal follicular lymphoma and capsule endoscopy : A case report
Kazuma Sekiba, M. Okamoto, Nariaki Odawara, M. Moriyama +6 more
20150 citations Open access
Semantic Scholar
Progression of asymptomatic diverticular colitis to stenosis with abdominal pain : case report
Mayo Tsuboi, M. Okamoto, Sachiko Kanai, Kazuma Sekiba +6 more
20150 citations Open access
Semantic Scholar
[Radiofrequency ablation of liposarcoma liver metastasis].
Munenori Takata, Takeharu Asano, H. Yagioka, H. Miyoshi +6 more
2007Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine0 citations Open access
Semantic Scholar
Relevance of three tumor markers to prognosis and recurrence risk of hepatocellular carcinoma — An analysis of 407 consecutive cases
R. Tateishi, S. Shiina, H. Yoshida, T. Teratani +11 more
20030 citations Open access
Semantic Scholar
Effect of hepatitis C virus genotype and HCV RNA viral load on the prognosis of hepatocellular carcinoma
Masatoshi Akamatsu, H. Yoshida, S. Shiina, T. Takuma +10 more
20020 citations
Semantic Scholar
Combined therapy of irradiation and percutaneous tumor ablation for hepatocellular carcinoma with portal venous invasion—A consecutive analysis of 53 patients
Y. Koike, Y. Shiratori, S. Shiina, Shin'pei Sato +8 more
20010 citations
Semantic Scholar
[Percutaneous hepatic infarction therapy (PIT)].
M. Imamura, S. Shiina, T. Teratani, S. Obi +6 more
2001Nihon rinsho. Japanese journal of clinical medicine0 citations
Semantic Scholar
Radiofrequency ablation (RFA) for hepatocellular carcinoma (HCC)
S. Shiina, T. Teratani, S. Obi, K. Hamamura +8 more
20010 citations
Semantic Scholar
Serial change of histelogical features after radiofrequency ablation (RFA) for hepstocellular carcinoma (HCC)
T. Teratani, S. Shiina, S. Obi, K. Hamamura +8 more
20010 citations
Semantic Scholar
Diagnostic value of contrast ultrasonography using pulse inversion harmonic imaging in the evaluation of hepatocellular carcinoma. A comparison with CT during hepatic arteriography
R. Tateishi, S. Shiina, T. Teratani, S. Obi +8 more
20010 citations
Semantic Scholar
[Management of complications associated with local ablation therapy for hepatocellular carcinoma].
S. Obi, S. Shiina, M. Imamura, T. Teratani +7 more
2001Nihon rinsho. Japanese journal of clinical medicine0 citations
Semantic Scholar
[Percutaneous tumor ablation therapy for the advanced stage of HCC].
T. Teratani, S. Shiina, S. Obi, K. Hamamura +7 more
2000Gan to kagaku ryoho. Cancer & chemotherapy0 citations
Semantic Scholar
Percutaneous Ethanol Injection Therapy, Percutaneous Infarction Therapy, and Percutaneous Microwave Coagulation Therapy for Hepatocellular Carcinoma
S. Shiina, T. Teratani, M. Imamura, S. Obi +10 more
20000 citations
Semantic Scholar
Early detection of hemobilia following percutaneous ethanol injection therapy for hepatocellular carcinoma: “Hemobilia sign” of gallbladder
S. Obi, S. Shiina, M. Imamura, T. Teratani +12 more
19980 citations
Semantic Scholar

Frequent co-authors

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S. Obi×32
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S. Obi — researcher profile on SciRah
S. Shiina×30
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S. Shiina — researcher profile on SciRah
T. Teratani×30
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T. Teratani — researcher profile on SciRah
Y. Koike×30
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Y. Koike — researcher profile on SciRah

×26

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M. Omata — researcher profile on SciRah

Shin'pei Sato×23

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Shin'pei Sato — researcher profile on SciRah

Tomonori Fujishima×22

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Tomonori Fujishima — researcher profile on SciRah

R. Tateishi×20

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R. Tateishi — researcher profile on SciRah

K. Hamamura×18

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K. Hamamura — researcher profile on SciRah

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H. Yoshida — researcher profile on SciRah

Y. Shiratori×16

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Y. Shiratori — researcher profile on SciRah

T. Ishikawa×16

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T. Ishikawa — researcher profile on SciRah