cold nodule

cold nod·ule

a 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.
References in periodicals archive ?
12] Thyroid isotope scan using technetium detect hot or cold nodule.
Role of fine needle aspiration cytology (FNAC) in a cold nodule of thyroid and its comparison with histopathology.
6b, blue line), while minimum frost flower temperatures at the cold nodule locations decreased toward the air temperature throughout the overnight period of frost flower growth (Fig.
Economic and an accurate procedure used in the diagnosis of thyroid Lesions, particularly in the presence of cold nodule [1].
Thirteen respondents said that a dominant nodule would lead to an FNA, and 11 respondents said that a cold nodule would be a criterion for an FNA.
A hot nodule is almost always benign however a cold nodule requires further diagnostic evaluation.
131] I scintigraphy will show a poorly defined cold nodule.
Several small series of cold nodules suggest that internal flow in a cold nodule is indicative of malignancy.
A solitary third or fourth branchial cyst may be contained completely within the thyroid gland and may present as a cold nodule.