Immunohistochemical Expression of Cytokeratin 19 in Patients with Papillary Thyroid Carcinoma and its Mimics in Erbil, Kurdistan Region, Iraq

Autor: Tavga Hushair Dizeyi
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Zanco Journal of Medical Sciences, Vol 27, Iss 1, Pp 53-63 (2023)
Druh dokumentu: article
ISSN: 1995-5588
1995-5596
DOI: 10.15218/zjms.2023.008
Popis: Background and objective: Papillary thyroid carcinoma (PTC) is the most common primary thyroid cancer. PTC diagnosis is based on the presence of classic nuclear features in most cases. However, there are some mimics including both benign neoplastic and non-neoplastic lesions, therefore immune-histochemical stains are necessary for equivocal cases. This study aimed to evaluate the diagnostic expression of CK19 in different thyroid lesions and also to differentiate PTC from other mimicking thyroid lesions. Methods: A retrospective study of 90 cases of different thyroid lesions (56 patients with benign neoplastic and non-neoplastic lesions and 34 PTC) was investigated from January 2018 to January 2020. Immunohistochemical staining with CK19 was performed. Results: CK19 IHC expressed in about 94% of PTC cases as moderate and strong pattern of staining, while in benign neoplastic and non-neoplastic thyroid lesions only 7% expressed as moderate and non with strong pattern of staining, it showed a significant statistical difference (P
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