Open Access

Squamous cell carcinoma of unknown primary site presenting with an abdominal wall lesion as the primary symptom: A case report and review of the literature

  • Authors:
    • Yingli Zhang
    • Bo Chen
    • Jianqing Zhu
    • Lu Chen
  • View Affiliations

  • Published online on: July 21, 2015     https://doi.org/10.3892/ol.2015.3520
  • Pages: 2161-2165
  • Copyright: © Zhang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Squamous cell carcinoma of unknown primary site (SC CUP) is a rare malignant tumor, and its histogenesis and appropriate treatment are unclear. To the best of our knowledge, this type of carcinoma with abdominal wall lesions as the primary presenting symptom 3 months after laparoscopic surgery, has not been previously described in the literature. In the present study, a postmenopausal 54‑year‑old female patient was diagnosed with pain from the right abdominal puncture site 3 months after laparoscopic unilateral left salpingo‑oophorectomy at a local hospital, at which time the left ovary and Fallopian tube were free of malignant tumor. Computed tomography (CT) imaging showed a subcutaneous nodule with a size of 6.2x3.3 cm. A wide excision of the lesion with safety margins and repair of the abdominal wall was performed, and the histopathological results and various investigations lead to the diagnosis of metastatic well‑differentiated SC CUP. The patient underwent three surgeries and eight cycles of Taxol and cisplatin/carboplatin chemotherapy, and received a total of 10.8 Gy palliative radiation. However, the patient succumbed to intestinal bleeding, thrombocytopenia and multiple organ failure with pelvic recurrence and liver metastases at 10 months post‑diagnosis. The prognosis of SC CUP, particularly with multiple metastases, is extremely poor. Although chemotherapy, surgery and radiotherapy have a certain role in the treatment, no regimen has been established as a standard therapy and palliative care could be recommended.

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October 2015
Volume 10 Issue 4

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Copy and paste a formatted citation
APA
Zhang, Y., Chen, B., Zhu, J., & Chen, L. (2015). Squamous cell carcinoma of unknown primary site presenting with an abdominal wall lesion as the primary symptom: A case report and review of the literature. Oncology Letters, 10, 2161-2165. https://doi.org/10.3892/ol.2015.3520
MLA
Zhang, Y., Chen, B., Zhu, J., Chen, L."Squamous cell carcinoma of unknown primary site presenting with an abdominal wall lesion as the primary symptom: A case report and review of the literature". Oncology Letters 10.4 (2015): 2161-2165.
Chicago
Zhang, Y., Chen, B., Zhu, J., Chen, L."Squamous cell carcinoma of unknown primary site presenting with an abdominal wall lesion as the primary symptom: A case report and review of the literature". Oncology Letters 10, no. 4 (2015): 2161-2165. https://doi.org/10.3892/ol.2015.3520