Malignancy Risk Assessment in Patients with Thyroid Nodules Using Classification and Regression Trees

Table 2

Pathologic diagnoses of thyroid nodules evaluated between 2006 and 2011.

Benign 𝑛 (%)
Multinodular goiter	133 (68.3)
Follicular adenoma	40 (20.5)
Lymphocytic thyroiditis	9 (4.6)
Hashimoto’s thyroiditis	8 (4.1)
Hurthle cell adenoma	3 (1.5)
Graves’ disease	2 (1.0)
Total	195 (100)
Malignant 𝑛 (%)
Papillary cell carcinoma	59 (77.7)
Follicular cell carcinoma	8 (10.5)
Medullary cell carcinoma	5 (6.6)
Hurthle cell carcinoma	2 (2.6)
Anaplastic Carcinoma	2 (2.6)
Total	76 (100)