Thyroid nodule CT
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American Roentgen Ray Society Images of Thyroid nodule CT |
CT scan is not a good choice for cervical lymph node metastases evaluation as its sensitivity is low (30-40%), but as an alternative imaging modalitiy, may be useful in the assessment of tumors with the following features:
- Large tumors
- Rapidly growing tumors
- Retrosternal tumors
- Invasive tumors
- To assess the involvement of extrathyroidal tissues
Jeong HS, Baek CH, Son YI, Choi JY, Kim HJ, Ko YH, Chung JH, Baek HJ 2006 Integrated 18F-FDG PET=CT for the initial evaluation of cervical node level of patients with papillary thyroid carcinoma: comparison with ultrasound and contrast-enhanced CT. Clin Endocrinol (Oxf ) 65: 402–407
Thyroid nodule rupture:
Sonography and/or computed tomography (CT) could help diagnose this complication, which is visualized as the breakdown of the thyroid capsule and the formation of a new mass located between intra- and extra-thyroidal lesions at the RF site