Research Article

Differentiated Thyroid Cancer in Navarra (Spain): Historic Cohort Results (1987–2003)

Table 1

General overview of main descriptive results.

Variables and their classificationsRatio

Age: younger than 45 years old52.61%
Gender: women80.00%
Presurgical FNAC: suspicious or malignant75.00%
Tumor pathological classification:
  (i) Papillary carcinoma (mean age 42.90 years old, mean tumor size 21.75 mm)63.38%
  (ii) Follicular carcinoma (mean age 49.56 years old, mean tumor size 40.89 mm)36.61%
Surgical treatment on the thyroid: total thyroidectomy95.69%
Surgical treatment of cervical lymph node metastases21.23%
Surgical complications:
  (i) Recurrent nerve palsy4.00%
  (ii) Definitive hypoparathyroidism1.80%
TNM classification:
  (i) T1: 125 patients38.46%
  (ii) T2: 97 patients29.84%
  (iii) T3: 61 patients18.76%
  (iv) T4: 42 patients12.92%
  (v) N0: 256 patients78.76%
  (vi) N1: 69 patients21.23%
Stages:
  (i) I: 207 patients63.69%
  (ii) II: 48 patients14.76%
 (iii) III: 40 patients12.30%
 (iv) IV: 30 patients9.23%
  (a) IV a: 21 patients6.40%
  (b) IV c: 9 patients2.80%
 (v) Stage I and II78.46%
Radioiodine treatment97.53%
Positive antithyroglobulin autoantibodies6.77%
Complete remission77.55%
Mortality4.00%
Persistent/recurrent disease3.69%

FNAC: fine needle aspiration cytology.