Journal of Cytology
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Year : 2021  |  Volume : 38  |  Issue : 1  |  Page : 31-37

Endoscopic ultrasound-guided fine needle aspiration cytology of pancreatic adenocarcinomas revisited. A detailed cytological analysis

1 Department of Laboratory Medicine, Mubarak Al Kabeer Hospital, Hawally, Kuwait
2 Department of Pathology, Faculty of Medicine, Kuwait University, Kuwait
3 Department of Medical Oncology, Kuwait Cancer Control Center, Kuwait
4 Department of Histopathology Laboratory, Kuwait Cancer Control Center, Kuwait
5 Department of Gastroenterology and Hepatology, Mubarak Al Kabeer Hospital, Hawally, Kuwait

Correspondence Address:
Dr. Mrinmay Kumar Mallik
Department of Laboratory Medicine, Mubarak Al Kabeer Hospital, Hawally
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JOC.JOC_177_20

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Background: Early detection of pancreatic adenocarcinomas is essential for improving survival. In this regard, endoscopic ultrasound-guided fine-needle aspiration cytology (EUS-FNAC) has established itself as the method of choice for its ability to target lesions smaller than those which could be targeted by the traditional imaging methods like transabdominal ultrasound. Identifying these tumors correctly on FNA may be challenging because pancreatic adenocarcinomas may show a wide range of morphological features and the presence of contaminants from the gastrointestinal tract may show up as potential pitfalls. This study presents detailed cytomorphological analyses of 59 cases reported as pancreatic adenocarcinomas on smears and cell blocks. The clinical and histopathology follow-up data wherever available have also been presented. Materials and Methods: EUS-FNAC smears and cell blocks from cases reported as pancreatic adenocarcinomas were retrospectively evaluated with individual assessments of a range of features related to cellularity, cellular arrangement, cytoplasmic qualities, and nuclear features. Aspirates from peripancreatic lymph nodes, histopathology sections, and clinical records were reviewed wherever available. Results: Nonneoplastic cells like pancreatic ductal cells and acinar cells, duodenal, and gastric epithelia were detected along with neoplastic cells showing a wide range of variations in different cytomorphological characters. Often, a mixture of features was noted in the same case. Cell block preparations served as useful adjuncts since they made it possible to render unequivocal diagnoses of malignancies in cases where smears were hypocellular. Conclusion: The study creates a useful knowledge base of cytomorphological features of pancreatic adenocarcinomas.

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