# Masazumi Okajima

**Type:** Researchers  
**Canonical URL:** https://scholariq.org/researchers/masazumi-okajima/

## Facts

| Field | Value |
| --- | --- |
| Citations | 2,315 |
| Field | Colorectal Cancer Surgical Treatments |
| h-index | 26 |
| i10-index | 48 |
| Last Known Institution | Hiroshima City Asa Citizens Hospital |
| OpenAlex ID | https://openalex.org/A5005428940 |
| Works | 236 |

## Researcher papers

- [Survival outcomes following laparoscopic versus open D3 dissection for stage II or III colon cancer (JCOG0404): a phase 3, randomised controlled trial](https://scholariq.org/papers/survival-outcomes-following-laparoscopic-versus-open-d3-dissection-for-stage-ii/)
- [Laparoscopic Versus Open Surgery for Colorectal Cancer in Elderly Patients: A Multicenter Matched Case–Control Study](https://scholariq.org/papers/laparoscopic-versus-open-surgery-for-colorectal-cancer-in-elderly-patients-a/)
- [High miR-21 expression from FFPE tissues is associated with poor survival and response to adjuvant chemotherapy in colon cancer](https://scholariq.org/papers/high-mir-21-expression-from-ffpe-tissues-is-associated-with-poor-survival-and/)
- [Effect of Left Colonic Artery Preservation on Anastomotic Leakage in Laparoscopic Anterior Resection for Middle and Low Rectal Cancer](https://scholariq.org/papers/effect-of-left-colonic-artery-preservation-on-anastomotic-leakage-in/)
- [Immunohistochemical analysis and mutational analyses of β-catenin, Axin family and APC genes in hepatocellular carcinomas](https://scholariq.org/papers/immunohistochemical-analysis-and-mutational-analyses-of-catenin-axin-family-and/)
- [Accumulation of beta-catenin protein and mutations in exon 3 of beta-catenin gene in gastrointestinal carcinoid tumor.](https://scholariq.org/papers/accumulation-of-beta-catenin-protein-and-mutations-in-exon-3-of-beta-catenin/)
- [Immunohistochemical and mutational analyses of Wnt signaling components and target genes in intrahepatic cholangiocarcinomas](https://scholariq.org/papers/immunohistochemical-and-mutational-analyses-of-wnt-signaling-components-and/)
- [Frequent alterations in the Wnt signaling pathway in colorectal cancer with microsatellite instability](https://scholariq.org/papers/frequent-alterations-in-the-wnt-signaling-pathway-in-colorectal-cancer-with/)
- [Immunohistochemical and Sequencing Analyses of the Wnt Signaling Components in Japanese Anaplastic Thyroid Cancers](https://scholariq.org/papers/immunohistochemical-and-sequencing-analyses-of-the-wnt-signaling-components-in/)
- [Immunohistochemical analysis of colorectal cancer with gastric phenotype: Claudin-18 is associated with poor prognosis](https://scholariq.org/papers/immunohistochemical-analysis-of-colorectal-cancer-with-gastric-phenotype-claudin/)
- [The Importance of Stressing the Use of Laparoscopic Instruments in the Initial Training for Laparoscopic Surgery Using Box Trainers: A Randomized Control Study](https://scholariq.org/papers/the-importance-of-stressing-the-use-of-laparoscopic-instruments-in-the-initial/)

## Researcher topics

- [Colorectal Cancer Surgical Treatments](https://scholariq.org/topics/colorectal-cancer-surgical-treatments/)
- [Colorectal Cancer Treatments and Studies](https://scholariq.org/topics/colorectal-cancer-treatments-and-studies/)
- [Gastric Cancer Management and Outcomes](https://scholariq.org/topics/gastric-cancer-management-and-outcomes/)
- [Genetic factors in colorectal cancer](https://scholariq.org/topics/genetic-factors-in-colorectal-cancer/)
- [Gastrointestinal Tumor Research and Treatment](https://scholariq.org/topics/gastrointestinal-tumor-research-and-treatment/)

## Researcher university

- [Hiroshima City Asa Citizens Hospital](https://scholariq.org/institutions/hiroshima-city-asa-citizens-hospital/)

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Source: ScholarIQ — public research metadata, principally OpenAlex. See https://scholariq.org/sources/ for provenance and https://scholariq.org/methodology/ for what these figures mean.