This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
Ultrasound findings suspicious of malignancy in thyroid are all except 
Select and explain. 
A. Microcalcifications, B. Hyperechoic, C. Hypervascularity, D. Taller than wider
A: Microcalcifications
Answer: A: Microcalcifications 
Explanation: Ultrasonography is a gold standard investigation to determine the physical characteristics of thyroid swellings.Ultrasound findings within a nodule that are considered suspicious for malignancy include microcalcifications, hypervascularity, infiltrative margins, being hypoechoic compared with surrounding parenchyma, and having a shape that is taller than its width on transverse viewSabiston 20e pg: 918