Koichi Okajima

Hongo, 1138655, Japan

Last Updated: 09/26/2026

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Found 19 publications

PDGFRA amplification could be a poor prognostic factor of advanced undifferentiated pleomorphic sarcoma in a comprehensive genomic profiling cohort.

PDGFRA amplification could be a poor prognostic factor of advanced undifferentiated pleomorphic sarcoma in a comprehensive genomic profiling cohort.

Journal: Japanese journal of clinical oncology

Published: April 07, 2026

Incidence and prognostic impact of regional lymph node metastasis at the time of diagnosis in soft-tissue sarcoma : a population-based cohort study.

Incidence and prognostic impact of regional lymph node metastasis at the time of diagnosis in soft-tissue sarcoma : a population-based cohort study.

Journal: The bone & joint journal

Published: October 31, 2025

Incidence, risk factors, and prognostic impact of regional lymph node metastasis in bone sarcoma: a population-based cohort study.

Incidence, risk factors, and prognostic impact of regional lymph node metastasis in bone sarcoma: a population-based cohort study.

Journal: Japanese journal of clinical oncology

Published: March 04, 2025

MS-stable/TMB-high pleomorphic liposarcoma successfully treated with pembrolizumab: a case report.

MS-stable/TMB-high pleomorphic liposarcoma successfully treated with pembrolizumab: a case report.

Journal: Frontiers in oncology

Published: December 28, 2024

Prognostic factors in patients with bone metastasis of renal cell carcinoma in the era of immune checkpoint inhibitors.

Prognostic factors in patients with bone metastasis of renal cell carcinoma in the era of immune checkpoint inhibitors.

Journal: Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association

Published: April 05, 2024

Embryonal and alveolar rhabdomyosarcoma in adolescents/young adults, adults and older adults: a population-based cohort study.

Embryonal and alveolar rhabdomyosarcoma in adolescents/young adults, adults and older adults: a population-based cohort study.

Journal: Japanese journal of clinical oncology

Published: December 14, 2023

Prognostic factors and treatment outcomes in patients with pleomorphic rhabdomyosarcoma: a population-based cohort study.

Prognostic factors and treatment outcomes in patients with pleomorphic rhabdomyosarcoma: a population-based cohort study.

Journal: Japanese journal of clinical oncology

Published: November 14, 2023

Extended curettage for tumour-induced osteomalacia in the bone.

Extended curettage for tumour-induced osteomalacia in the bone.

Journal: Japanese journal of clinical oncology

Published: October 15, 2023

Clinical genomic profiling of malignant giant cell tumor of bone: A retrospective analysis using a real‑world database.

Clinical genomic profiling of malignant giant cell tumor of bone: A retrospective analysis using a real‑world database.

Journal: Medicine international

Published: September 29, 2023

Patterns of symptoms and insufficiency fractures in patients with tumour-induced osteomalacia.

Patterns of symptoms and insufficiency fractures in patients with tumour-induced osteomalacia.

Journal: The bone & joint journal

Published: April 30, 2023

BRAF mutations and concurrent alterations in patients with soft tissue sarcoma.

BRAF mutations and concurrent alterations in patients with soft tissue sarcoma.

Journal: Genes, chromosomes & cancer

Published: April 17, 2023

Role of perioperative chemotherapy and radiotherapy for localized high-grade malignant peripheral nerve sheath tumor at the extremities and trunk wall: a population-based cohort study.

Role of perioperative chemotherapy and radiotherapy for localized high-grade malignant peripheral nerve sheath tumor at the extremities and trunk wall: a population-based cohort study.

Journal: Japanese journal of clinical oncology

Published: July 09, 2022

Showing 1-12 of 19

Last Updated: 09/26/2026