# Hiroshi Ohyama

**Type:** Researchers  
**Canonical URL:** https://scholariq.org/researchers/hiroshi-ohyama/

## Facts

| Field | Value |
| --- | --- |
| Citations | 677 |
| Field | Pancreatic and Hepatic Oncology Research |
| h-index | 14 |
| i10-index | 21 |
| Last Known Institution | Chiba University |
| OpenAlex ID | https://openalex.org/A5014441525 |
| ORCID iD | 0000-0003-0614-581X |
| Works | 118 |

## Researcher papers

- [Efficacy of Stone Density on Noncontrast Computed Tomography in Predicting the Outcome of Extracorporeal Shock Wave Lithotripsy for Patients With Pancreatic Stones](https://scholariq.org/papers/efficacy-of-stone-density-on-noncontrast-computed-tomography-in-predicting-the/)
- [The efficacy and safety of lenvatinib for advanced hepatocellular carcinoma in a real-world setting](https://scholariq.org/papers/the-efficacy-and-safety-of-lenvatinib-for-advanced-hepatocellular-carcinoma-in-a/)
- [Resection after intraarterial chemotherapy of a hepatoblastoma originating in the caudate lobe.](https://scholariq.org/papers/resection-after-intraarterial-chemotherapy-of-a-hepatoblastoma-originating-in/)
- [Dual-molecular barcode sequencing detects rare variants in tumor and cell free DNA in plasma](https://scholariq.org/papers/dual-molecular-barcode-sequencing-detects-rare-variants-in-tumor-and-cell-free/)
- [Development of a molecular barcode detection system for pancreaticobiliary malignancies and comparison with next-generation sequencing](https://scholariq.org/papers/development-of-a-molecular-barcode-detection-system-for-pancreaticobiliary/)
- [Clinical characteristics and outcomes of primary sclerosing cholangitis and ulcerative colitis in Japanese patients](https://scholariq.org/papers/clinical-characteristics-and-outcomes-of-primary-sclerosing-cholangitis-and/)
- [Short- and long-term results of endoscopic ultrasound-guided transmural drainage for pancreatic pseudocysts and walled-off necrosis](https://scholariq.org/papers/short-and-long-term-results-of-endoscopic-ultrasound-guided-transmural-drainage/)
- [Immunohistochemical analysis of IMP3 and p53 expression in endoscopic ultrasound-guided fine needle aspiration and resected specimens of pancreatic diseases](https://scholariq.org/papers/immunohistochemical-analysis-of-imp3-and-p53-expression-in-endoscopic-ultrasound/)
- [Molecular subtype switching in early-stage gastric cancers with multiple occurrences](https://scholariq.org/papers/molecular-subtype-switching-in-early-stage-gastric-cancers-with-multiple/)
- [Sphingomonas and Phenylobacterium as Major Microbiota in Thymic Epithelial Tumors](https://scholariq.org/papers/sphingomonas-and-phenylobacterium-as-major-microbiota-in-thymic-epithelial/)
- [Outcomes and Post-removal Course of Lumen-Apposing Metal Stent Placement for Peripancreatic Fluid Collections: A Comparative Study of Pancreatic Pseudocysts and Walled-Off Necrosis](https://scholariq.org/papers/outcomes-and-post-removal-course-of-lumen-apposing-metal-stent-placement-for/)

## Researcher topics

- [Pancreatic and Hepatic Oncology Research](https://scholariq.org/topics/pancreatic-and-hepatic-oncology-research/)
- [Gallbladder and Bile Duct Disorders](https://scholariq.org/topics/gallbladder-and-bile-duct-disorders/)
- [Pancreatitis Pathology and Treatment](https://scholariq.org/topics/pancreatitis-pathology-and-treatment/)
- [Esophageal and GI Pathology](https://scholariq.org/topics/esophageal-and-gi-pathology/)
- [Pediatric Hepatobiliary Diseases and Treatments](https://scholariq.org/topics/pediatric-hepatobiliary-diseases-and-treatments/)

## Researcher university

- [Chiba University](https://scholariq.org/institutions/chiba-university/)

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