OBJECTIVE: @entity400 ( @entity400 ) is the preferred diagnostic study for evaluating thyroid nodules. Despite its accuracy, many @entity1 undergo thyroidectomy for benign nodules. This study was undertaken to identify risk factors that might increase the specificity of @entity400 . METHODS: Medical records of 422 @entity1 who underwent thyroid surgery between 1986 and 1996 were reviewed. All @entity1 had @entity400 prior to surgery. RESULTS: Of the 422 @entity1 , 36% had benign cytology, 46% had indeterminate cytology, and 13% had @entity5 . In the indeterminate group, 29% of @entity1 had @entity5 at surgery. Of @entity1 with papillary cytology, 84% had @entity5 . Five percent of FNABs were nondiagnostic. Neither age, gender, nor @entity5 size was associated with increased specificity of @entity400 . CONCLUSION: There is no subpopulation of @entity1 with indeterminate @entity400 cytology at increased risk of having well-differentiated @entity259 .

Cytologic determinants of well-differentiated XXXX .

@entity1 :: ('9606', 'Species') :: ['patients'] @entity259 :: ('MESH:D013964', 'Disease') :: ['thyroid cancer'] @entity400 :: ('MESH:D014202', 'Disease') :: ['FNAB', 'Fine-needle aspiration biopsy'] @entity5 :: ('MESH:D009369', 'Disease') :: ['tumor', 'cancer', 'malignancies']
@entity259 :: (MESH:D013964,Disease) :: ['thyroid cancer']
