| 释义 |
cold nodule cold nod·ulea thyroid nodule with a much lower uptake of radioactive iodine than the surrounding parenchyma; about one in four prove to be malignant.cold nodule Imaging A focus of ↓ radioisotope uptake on a 123I or 99mTc scintillation scan of the thyroid, seen in cystic or solid, often nonfunctional lesions; when the mass is solid by ultrasound, a biopsy is warranted as most carcinomas are cold nodules. Cf Hot nodule, Warm nodule. cold nod·ule (kōld nod'yūl) A thyroid nodule with a much lower uptake of radioactive iodine than the surrounding parenchyma; about one in four proves to be malignant. |