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
All of the following are true about lymphoma of the thyroid except 
Select and explain. 
A. More common in females, B. Slow growing, C. Clinically confused with undifferentiated tumours, D. May present with respiratory distress and dysphagia
B: Slow growing
Answer: B: Slow growing 
Explanation: Primary thyroid lymphoma diagnosis is considered in patients with a goiter, especially one that has apparently grown significantly in a sho period. Other initial symptoms include hoarseness, dysphagia, and fever. Rapid growth, nerve involvement may raise suspicion of anaplastic carcinoma Thyroid lymphoma occurs four times more frequently in women than in men Approximately half of primary thyroid lymphomas occur in the setting of pre existing Hashimoto thyroiditis. Source : Sabiston 20 th edition Pg : 911