Clinical History[edit]
57 year old female with hypoechoic nodule on ultrasound.
Cytology[edit]
Resident Questions[edit]
- MEN 2A and MEN 2B.
- 80-90% are sporadic
- Immunoreactivity with CEA, TTF1, calcitonin, chromogranin, synaptophysin.
- Negative immunoreactivity with thyroglobulin