This report reviews our experience with fine needle aspiration (FNA) cytolo
gy in the assessment of thyroid enlargement in Ibadan between January 1995
and December 1997. The diagnostic accuracy of the procedure for malignancy
was 80.6% with a sensitivity and specificity 83% and 80% respectively in th
is series. FNAC of thyroid enlargement is now a first line investigative pr
ocedure for thyroid enlargements in the University College Hospital, Ibadan
.