Research Article

Epidemiologic, Clinical, Ultrasonographic, and Cytological Features of Thyroid Nodules in Predicting Malignancy Risk: A Retrospective Study of 442 French Afro-Caribbean Patients

Table 3

Malignancy risk and Bethesda classification.

Cytological diagnosis Bethesda classificationAll FNAB, N (%)All FNAB with surgical follow-up, N (%)Malignancy risk, N (%)Benign histology,N (%)

Benign II347 (55%)111 (45%)0 (0%)111 (100%)
AUS/FLUS III60 (9.5%)41 (16%)2 (5%)39 (94%)
Follicular neoplasm IV79 (12.5%)57 (27%)5 (9%)52 (91%)
Suspicious of malignancy V15 (2.5%)15 (5%)5 (33%)10 (66%)
Nondiagnostic I115 (18.5%)36 (14%)0 (0%)36 (100%)
Total61626012248

Number and percentage of cases operated in each diagnostic category; number and percentage of cases calculated from the total number of operated cases in each category. AUS/FLUS: atypia of undetermined significance or follicular lesion of undetermined significance.