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Pulmonary Artery Intimal Sarcoma Successfully Treated With Surgery and Adjuvant Chemotherapy: A Case Report
Fumitaka Endo1, Takeshi Iwaya1, Naoki Yanagawa2
1Department of Clinical Oncology Iwate Medical University School of Medicine Yahaba-Cho, Shiwa-Gun Iwate Japan.
Clinical Case Reports
|August 4, 2026
Summary
A rare pulmonary artery intimal sarcoma was successfully treated with surgery and paclitaxel chemotherapy. Genetic analysis revealed key mutations including tumor protein p53, EGFR, PDGFR-alpha, and KIT.
Area of Science:
- Cardiovascular Surgery
- Medical Oncology
- Cancer Genomics
Background:
- Pulmonary artery intimal sarcoma is an extremely rare and aggressive malignancy.
- Diagnosis and treatment present significant challenges due to its rarity and location.
- Limited data exists on effective therapeutic strategies for this condition.
Purpose of the Study:
- To report a successful treatment approach for a case of pulmonary artery intimal sarcoma.
- To highlight the role of multimodal therapy including surgical resection and chemotherapy.
- To correlate tumor genetic profile with treatment response.
Main Methods:
- Surgical resection of the pulmonary artery intimal sarcoma.
- Adjuvant weekly paclitaxel chemotherapy.
- Comprehensive genomic profiling of the tumor tissue.
Main Results:
- The patient achieved successful treatment outcomes following surgery and paclitaxel.
- Tumor genetic analysis identified a TP53 mutation.
- Amplifications in EGFR, PDGFR-alpha, and KIT were detected, along with MDM2 positivity.
Conclusions:
- Surgical resection combined with paclitaxel chemotherapy can be an effective treatment for pulmonary artery intimal sarcoma.
- Understanding the tumor's molecular profile, including TP53, EGFR, PDGFR-alpha, KIT, and MDM2 alterations, may inform future therapeutic strategies.
- This case underscores the importance of aggressive surgical management and targeted therapies in rare vascular sarcomas.