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ISSN 2097-3497 (Online)
CN 22-1108/R
Volume 40 Issue 4
Apr.  2024
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Article Navigation >  Journal of Clinical Hepatology  > 2024  >  40(4): 767-772

Clinical diagnosis， treatment， and prognosis of gallbladder sarcomatoid carcinoma： An analysis of 16 cases

DOI: 10.12449/JCH240420
  • a.

    Department of Oncology, The First Affiliated Hospital of Zhengzhou University，Zhengzhou 450052，China

  • b.

    Department of Pathology，The First Affiliated Hospital of Zhengzhou University，Zhengzhou 450052，China

Research funding:

Key Project of Henan Provincial Medical Science and Technology Research Plan (SBGJ202002068)

More Information
  • Corresponding author: LU Taiying， fccluty@zzu.edu.cn （ORCID： 0000-0001-5690-8526）
  • Received Date: 2023-07-19
  • Accepted Date: 2023-07-27
  • Published Date: 2024-04-11
    Abstract
  •   Objective  To investigate the clinicopathological features， diagnosis and treatment methods， and prognosis of gallbladder sarcomatoid carcinoma （GBSC）.  Methods  A retrospective analysis was performed for the clinical data of 16 patients with GBSC who were admitted to The First Affiliated Hospital of Zhengzhou University from January 2015 to April 2023， including general information， clinical manifestations， imaging features， pathological features， and treatment modality， and follow-up was performed for all patients. The Kaplan-Meier method was used to perform the survival analysis and plot the survival curve， and the Log-rank test was used for comparison between groups.  Results  Among the 16 patients， there were 6 male patients and 10 female patients， with a mean age of 62.9±8.4 years. The main clinical manifestations were right upper abdominal pain in 13 patients （81.3%）， nausea in 5 patients （31.3%）， abdominal distension in 4 patients （25.0%）， poor appetite in 3 patients （18.8%）， weakness in 2 patients （12.5%）， fever in 2 patients （12.5%）， and jaundice in 1 patient （6.3%）， and 3 patients were asymptomatic and were found to have this disease by physical examination. Of all patients， 81.3% （13/16） were in the advanced stage （stage Ⅲ/Ⅳ） at the time of initial diagnosis. Histopathological examination showed that some cancer cells were spindle-shaped under the microscope， with marked nuclear division and noticeable heteromorphism. Immunohistochemistry showed a positive expression rate of 100% （16/16） for Vimentin， AE1/AE3， and CK8/18， and Ki-67 proliferation index was highly expressed in 81.3% （13/16） of the patients （≥50%）， with a median of 70% （range 20%‍ ‍—‍ ‍90%）. All 16 patients underwent surgical treatment， with radical surgery in 11 patients and palliative surgery in 5 patients， among whom 9 received R0 resection， 2 received R1 resection， and 5 received R2 resection， and 7 patients received adjuvant therapy after surgery. Effective follow-up was achieved for all 16 patients， with a follow-up time of 0.5‍ ‍—‍ ‍26.0 months and a median follow-up time of 11.0 months. By the end of follow-up， 2 patients survived and 14 patients died due to tumor recurrence or metastasis， with a median survival time of 10.0 months， and the 1- and 2-year cumulative survival rates after surgery were 31.3% and 8.3%， respectively. The prognostic analysis showed that TNM stage （χ2=6.727， P=0.009）， surgical approach （χ2=7.508， P=0.006）， margin condition （χ2=7.934， P=0.005）， and adjuvant therapy （χ2=4.608， P=0.032） were associated with the prognosis of patients.  Conclusion  The clinical manifestations of GBSC lack specificity， and a confirmed diagnosis relies on immunohistochemical analysis. Most patients are in the advanced disease at the time of initial diagnosis and tend to have a poor prognosis. There are currently no targeted therapies for this disease， and radical surgery with negative margins and adjuvant therapy can improve the survival rate of patients.

     

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