Journal Basic Info

  • Impact Factor: 1.995**
  • H-Index: 8
  • ISSN: 2474-1647
  • DOI: 10.25107/2474-1647
**Impact Factor calculated based on Google Scholar Citations. Please contact us for any more details.

Major Scope

  •  Orthopaedic Surgery
  •  Neurological Surgery
  •  General Surgery
  •  Vascular Surgery
  •  Gynecological Surgery
  •  Breast Surgery
  •  Bariatric Surgery
  •  Colon and Rectal Surgery


Citation: Clin Surg. 2021;6(1):3264.Case Report | Open Access

Is Epithelioid Hemangioendothelioma a Cold Tumor for Immune Check Point Inhibitors? A Case Report

Yoshinobu Ichiki1*, Mari Ueno2, Yoshiro Kanasaki1, Hidenori Goto1, Kozo Nakanishi1, Mai Takahashi3, Takashi Fukuyama4, Shuji Mikami2, Shinichi Hayashi3 and Tsuyoshi Ishida2

1Department of General Thoracic Surgery, National Hospital Organization, Saitama Hospital, Japan
2Department of Diagnostic Pathology, National Hospital Organization, Saitama Hospital, Japan
3Department of Respiratory Medicine, National Hospital Organization, Saitama Hospital, Japan
4Division of Biomedical Research, Kitasato University Medical Center, Japan

*Correspondance to: Yoshinobu Ichiki 

 PDF  Full Text DOI: 10.25107/2474-1647.3264


Epithelioid Hemangioendothelioma (EHE) is a rare malignant vascular neoplasm. We herein report a rare pulmonary EHE case and consider the potential treatment target. A 55-year-old male patient with bilateral multiple pulmonary nodules underwent partial resection of the lung to obtain a definitive diagnosis, and the diagnosis of EHE was made. Since EHE is a chemotherapyresistant tumor, we analyzed the molecular expression related to tumor immunity and hormone receptors by Immunohistochemistry (IHC). Major Histocompatibility Complex (MHC) class I and PD-L1 molecules in the tumor were significantly attenuated, and lymphocytes, CD8 T cells, and tumor-specific CD103-positive lymphocytes were scarcely observed in the tumor. Neither estrogen receptor nor progesterone receptor was expressed on tumor cells. The patient did not wish to be treated aggressively. Although our data revealed that neither immune checkpoint inhibitors nor hormonal therapy for pulmonary EHE could be expected to be effective, further analyses using more EHE cases are necessary to consider the potential treatment target for EHE.


Epithelioid hemangioendothelioma; Surgery; Immunotherapy; PD-L1; CTL

Cite the article

Ichiki Y, Ueno M, Kanasaki Y, Goto H, Nakanishi K, Takahashi M, et al. Is Epithelioid Hemangioendothelioma a Cold Tumor for Immune Check Point Inhibitors? A Case Report. Clin Surg. 2021; 6: 3264..

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