Thyroid nodule CT

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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