Thyroid Cancer in Saudi Arabia: A Histopathological and Outcome Study

Table 1

Characteristics of 600 cases of follicular cell-derived thyroid cancer seen during the period 2004-2005.

Characteristic	Number (%)
Median age (range) years	39 (5–85)
Gender (female : male)	141 : 459 (23.5% : 76.5%)
Tumor size (cm)	2.15 (0.1–13)
Tumor multifocality	241/469 (51.4%)
Extrathyroidal extension	209/495 (42.2%)
Lymphovascular invasion	70/190 (36.8%)
Hashimoto’s or nodular goiter	343/600 (57.2%)
Lymph node metastasis	277/465 (59.6%)
Distant metastasis	77/580 (13.3%)
TNM stage
I	384/553 (69.4%)
II	49/553 (8.9%)
III	61/553 (11%)
IVA	14/553 (2.53%)
IVB	3/553 (0.54%)
IVC	42/553 (7.6%)

Numbers represent number of patients with the characteristic divided by the number of patients with available data. Data were not always available for every patient. Data for tumor size were available for 512 patients, for tumor multifocality in 469 patients, for extrathyroidal extension in 495 patients, for lymphovascular invasion in 190 cases, for lymph node metastasis in 465, for distant metastasis in 580 cases, and for tumor TNM staging in 553 patients.