Diagnostic Difficulties in Fine Needle Aspiration of Benign Salivary Glandular Lesions

摘要: Fine needle aspiration cytology (FNAC) is widely used as a simple and safe diagnostic modality in salivary glandular lesions.1-3 The cytologic features of lesions are relatively well defined, the accuracy FNAC high, has been reported to be 87-100% discrimination benign from malignant lesions.4 However, role FANC diagnosis gland still controversial because correct tumor typing difficult5-7 dependent on quality yield aspirate, expertise cytopathologist, tumors constitute heterogeneous group with extremely varied histopathologic features.6,8 Cytologic interpretation could confusing if were lacking typical features, false positive or negative rate high. rates pleomorphic adenoma (PA) Warthin's (WT) which 9% 8%, respectively, low,9 but variegated cytomorphology these may lead an error interpretation.1,10 In some such monomorphic oncocytoma, 53% 18%, respectively.9 In this study, authors analyzed causes discrepancies based comparison smears histologic findings.