Surgery Amyloid-rich stroma was seen on H&E stain of a thyroid nodule as shown below. What would be the diagnosis? A Medullary thyroid carcinoma B Systemic amyloidosis C Thyroid lymphoma D Papillary thyroid carcinoma 💡 Explanation Amyloid-rich stroma was seen on H&E stain of a thyroid nodule as shown below. What would be the diagnosis? ✓ Correct Answer: A. Medullary thyroid carcinoma