Neck Mass Discovered in 25-Year-Old Patient

Poll

A 25-year-old man presents with neck pain. Imaging detects a mass in the thyroid gland, and a biopsy is performed. What is your diagnosis?

A 25-year-old man presents with neck pain. Imaging detects a mass in the thyroid gland, and a biopsy is performed.

Based on the image shown, what is your diagnosis?

A. Hashimoto thyroiditis
B. Amyloidosis
C. Medullary carcinoma
D. Follicular carcinoma