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Oncology Letters
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Print ISSN: 1792-1074 Online ISSN: 1792-1082
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July-2026 Volume 32 Issue 1

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International Journal of Molecular Medicine

International Journal of Molecular Medicine

International Journal of Molecular Medicine is an international journal devoted to molecular mechanisms of human disease.

International Journal of Oncology

International Journal of Oncology

International Journal of Oncology is an international journal devoted to oncology research and cancer treatment.

Molecular Medicine Reports

Molecular Medicine Reports

Covers molecular medicine topics such as pharmacology, pathology, genetics, neuroscience, infectious diseases, molecular cardiology, and molecular surgery.

Oncology Reports

Oncology Reports

Oncology Reports is an international journal devoted to fundamental and applied research in Oncology.

Experimental and Therapeutic Medicine

Experimental and Therapeutic Medicine

Experimental and Therapeutic Medicine is an international journal devoted to laboratory and clinical medicine.

Oncology Letters

Oncology Letters

Oncology Letters is an international journal devoted to Experimental and Clinical Oncology.

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Explores a wide range of biological and medical fields, including pharmacology, genetics, microbiology, neuroscience, and molecular cardiology.

Molecular and Clinical Oncology

Molecular and Clinical Oncology

International journal addressing all aspects of oncology research, from tumorigenesis and oncogenes to chemotherapy and metastasis.

World Academy of Sciences Journal

World Academy of Sciences Journal

Multidisciplinary open-access journal spanning biochemistry, genetics, neuroscience, environmental health, and synthetic biology.

International Journal of Functional Nutrition

International Journal of Functional Nutrition

Open-access journal combining biochemistry, pharmacology, immunology, and genetics to advance health through functional nutrition.

International Journal of Epigenetics

International Journal of Epigenetics

Publishes open-access research on using epigenetics to advance understanding and treatment of human disease.

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Pelvic schwannoma misdiagnosed as colorectal cancer metastasis and the corresponding diagnostic lessons: A report of two cases

  • Authors:
    • Shilong Wang
    • Kaixiang Zhang
    • Xiangwu Lin
    • Feilai Xie
    • Jian Yang
    • Jie Li

  • View Affiliations / Copyright

    Affiliations: Department of Oncology, Fuzong Teaching Hospital of Fujian University of Traditional Chinese Medicine (900th Hospital), Fuzhou, Fujian 350025, P.R. China, Department of Oncology, 900th Hospital of PLA Joint Logistic Support Force, Fuzhou, Fujian 350025, P.R. China, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian 350025, P.R. China
    Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 304
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    Published online on: May 19, 2026
       https://doi.org/10.3892/ol.2026.15659
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Abstract

Schwannomas are neurogenic tumours originating from Schwann cells, and the vast majority of the tumours are benign lesions. Schwannomas are most commonly found in the head, neck and extremities; however, those occurring in the pelvis are rare. Due to the lack of specific clinical manifestations and radiographic features, pelvic schwannomas are difficult to detect and differentiate at an early stage. Cases of pelvic schwannomas coexisting with colorectal cancer have rarely been reported in both domestic and international literature. The current study presents two cases of pelvic schwannomas that were misdiagnosed as colorectal cancer metastases. Both lesions were initially identified as metastatic colorectal cancer during preoperative evaluation and were subsequently confirmed as schwannomas by postoperative pathological examination. This report analyses the causes of misdiagnosis, summarises the key distinguishing features between pelvic schwannomas and colorectal cancer metastases, and proposes a diagnostic algorithm for patients with colorectal cancer and pelvic masses of uncertain origin, with the aim of providing practical guidance for clinical practice.

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Copy and paste a formatted citation
Spandidos Publications style
Wang S, Zhang K, Lin X, Xie F, Yang J and Li J: Pelvic schwannoma misdiagnosed as colorectal cancer metastasis and the corresponding diagnostic lessons: A report of two cases. Oncol Lett 32: 304, 2026.
APA
Wang, S., Zhang, K., Lin, X., Xie, F., Yang, J., & Li, J. (2026). Pelvic schwannoma misdiagnosed as colorectal cancer metastasis and the corresponding diagnostic lessons: A report of two cases. Oncology Letters, 32, 304. https://doi.org/10.3892/ol.2026.15659
MLA
Wang, S., Zhang, K., Lin, X., Xie, F., Yang, J., Li, J."Pelvic schwannoma misdiagnosed as colorectal cancer metastasis and the corresponding diagnostic lessons: A report of two cases". Oncology Letters 32.1 (2026): 304.
Chicago
Wang, S., Zhang, K., Lin, X., Xie, F., Yang, J., Li, J."Pelvic schwannoma misdiagnosed as colorectal cancer metastasis and the corresponding diagnostic lessons: A report of two cases". Oncology Letters 32, no. 1 (2026): 304. https://doi.org/10.3892/ol.2026.15659
Copy and paste a formatted citation
x
Spandidos Publications style
Wang S, Zhang K, Lin X, Xie F, Yang J and Li J: Pelvic schwannoma misdiagnosed as colorectal cancer metastasis and the corresponding diagnostic lessons: A report of two cases. Oncol Lett 32: 304, 2026.
APA
Wang, S., Zhang, K., Lin, X., Xie, F., Yang, J., & Li, J. (2026). Pelvic schwannoma misdiagnosed as colorectal cancer metastasis and the corresponding diagnostic lessons: A report of two cases. Oncology Letters, 32, 304. https://doi.org/10.3892/ol.2026.15659
MLA
Wang, S., Zhang, K., Lin, X., Xie, F., Yang, J., Li, J."Pelvic schwannoma misdiagnosed as colorectal cancer metastasis and the corresponding diagnostic lessons: A report of two cases". Oncology Letters 32.1 (2026): 304.
Chicago
Wang, S., Zhang, K., Lin, X., Xie, F., Yang, J., Li, J."Pelvic schwannoma misdiagnosed as colorectal cancer metastasis and the corresponding diagnostic lessons: A report of two cases". Oncology Letters 32, no. 1 (2026): 304. https://doi.org/10.3892/ol.2026.15659
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