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A diagnostic challenge is presented: Distinguishing ectopic thyroid tissue from metastatic well‐differentiated follicular carcinoma in cytological material. Two cases of thyroid tissue in mediastinal lymph nodes were sampled by endobronchial ultrasound‐guided transbronchial needle aspiration (EBUS‐TBNA). Later, the cases were presented in Labquality's nongynecological external quality scheme rounds...
Objective
Fine needle aspiration (FNA) is a well‐established tool in preoperative diagnosis of salivary gland lesions with diagnostic accuracy of 90%. Pleomorphic adenoma (PA) is the most common salivary gland tumor comprising 45%–74% of all salivary gland tumors with FNA diagnostic accuracy of 89.5%–96.2%. The aim of the present study was to determine and analyze potential cytomorphological pitfalls...
BACKGROUND
Pediatric salivary gland fine‐needle aspiration (FNA) is uncommon with a higher frequency of inflammatory lesions and a small proportion of malignancies. This international, multi‐institutional cohort evaluated the application of the Milan System for Reporting Salivary Gland Cytopathology (MSRSGC) and the risk of malignancy (ROM) for each diagnostic category.
METHODS
Pediatric (0‐ to...
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