Keratin 19‑positive cutaneous squamous cell carcinoma with elevated serum cytokeratin 19 fragment 21-1 level: A case report

Ueda,Misato; Yasuda,Michinori; Shibaoka,Yoshie; Kurokawa,Ichiro; Kakuno,Ayako; Tsubura,Airo

doi:10.3892/mco.2016.834

June-2016 Volume 4 Issue 6

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June-2016 Volume 4 Issue 6

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Case Report

Keratin 19‑positive cutaneous squamous cell carcinoma with elevated serum cytokeratin 19 fragment 21-1 level: A case report

Authors:
- Misato Ueda
- Michinori Yasuda
- Yoshie Shibaoka
- Ichiro Kurokawa
- Ayako Kakuno
- Airo Tsubura
View Affiliations / Copyright

Affiliations: Department of Plastic and Reconstructive Surgery, Meiwa Hospital, Nishinomiya, Hyogo 663‑8186, Japan, Department of Dermatology, Meiwa Hospital, Nishinomiya, Hyogo 663‑8186, Japan, Department of Pathology, Meiwa Hospital, Nishinomiya, Hyogo 663‑8186, Japan, Department of Pathology, Kansai Medical University, Nishinomiya, Hyogo 663‑8186, Japan
Pages: 986-988
|
Published online on: March 28, 2016

https://doi.org/10.3892/mco.2016.834
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Abstract

Cytokeratin 19 fragment 21-1 (CYFRA21‑1) is a marker of lung cancer useful for evaluating clinical diagnosis and prognosis. To the best of our knowledge, there have been no reports of cutaneous squamous cell carcinoma (SCC) with high levels of CYFRA21‑1 to date. We herein report a case of a 79‑year‑old man with a large subcutaneous tumor of the left shoulder, which was diagnosed as primary cutaneous poorly differentiated SCC. The tumor nests were composed of poorly differentiated atypical squamous cells exhibiting high‑grade malignancy and mitotic figures; multinuclear cells were also identified inside lymph vessels. Keratin 19 (K19) was intensely expressed in tumor cells. A significantly elevated level of CYFRA21‑1 (33 ng̸ml) was observed preoperatively. After surgery, the level of CYFRA21‑1 was significantly decreased (from 33 to 5.0 ng/ml). Our case demonstrated that K19‑positive primary cutaneous undifferentiated SCC induced high levels of CYFRA21‑1 in the serum. Thus, CYFRA 21‑1 may be a marker indicative of poorly differentiated cutaneous SCC exhibiting K19 expression.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Keratin 19‑positive cutaneous squamous cell carcinoma with elevated serum cytokeratin 19 fragment 21-1 level: A case report

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