ArticleCureus2024
Genomic Analysis of Undifferentiated Carcinoma of the Pancreas with Squamous Differentiation: A Case Report.
Article in Cureus, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pancreatic cancer is an intractable malignancy associated with a dismal prognosis. Undifferentiated carcinoma, a rare subtype, poses a clinical challenge owing to a limited understanding of its molecular characteristics. In this study, we conducted genomic analysis specifically on a case of undifferentiated carcinoma of the pancreas exhibiting squamous differentiation. An 80-year-old male, previously treated for colorectal cancer, presented with a mass with central cystic degeneration in the pancreatic tail. The mass was diagnosed pathologically as undifferentiated carcinoma of the pancreas with squamous differentiation. Despite surgical resection and chemotherapy, the patient faced early postoperative recurrence, emphasizing the aggressive nature of this malignancy. Genomic analysis of distinct histologic components revealed some common mutations between undifferentiated and squamous components, including Kirsten rat sarcoma virus (KRAS) and TP53. Notably, the squamous component harbored some specific mutations in SMARCA4 and SMARCB1 genes that code for members of the SWItch/Sucrose Non-Fermentable (SWI/SNF) chromatin remodeling complex. The common mutations in the undifferentiated and squamous cell carcinoma components from this analysis suggest that they originate from a common origin. The discussion also underscores the scarcity of genomic analyses on undifferentiated carcinoma of the pancreas, with existing literature pointing to SWI/SNF complex-related gene mutations. However, our case introduces chromatin remodeling factor mutations as relevant in squamous differentiation. In conclusion, this study provides valuable insights into the genomic landscape of undifferentiated pancreatic carcinoma with squamous differentiation. These findings suggest the importance of further research and targeted therapies to improve the management of undifferentiated carcinoma of the pancreas and enhance patient outcomes.
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