11-03-2007, 01:37 PM
A 40-year-old male presents with a solitary, midline, anterior neck mass. He noticed it 2 weeks ago and states it not painful. Review of systems is negative for symptoms. Physical exam demonstrates a 2cm, firm, nontender nodule on the right side of the neck. The patient elects to undergo FNA. Which of the following thyroid carcinomas cannot be diagnosed using FNA?
1. Medullary
2. Anaplastic
3. Follicular
4. Papillary
1. Medullary
2. Anaplastic
3. Follicular
4. Papillary