1.Can children and adolescents get thyroid cancer Compared with other malignant tumors, thyroid cancer develops at a relatively young age. Thyroid cancer ranks third among solid malignant tumors in children, and is the most common endocrine cancer in children; thyroid nodules in children and adolescents are more likely to be cancerous than thyroid masses in adults: the proportion of those diagnosed as cancer is as high as 26%?36%. Therefore, the health check of thyroid gland should start from the baby, which is also the responsibility of every parent. 2.Can thyroid cancer be inherited to offspring Among all non-hereditary tumors, the prevalence rate of first-degree relatives of thyroid cancer is the highest, which can be as high as 8.6%. Medullary thyroid cancer accompanied by multiple endocrine adenomatosis, familial medullary thyroid cancer and familial non-medullary thyroid cancer are hereditary endocrine tumors, and the gene mutation occurs at the germline level, which can be passed on to the offspring, and patients with the above family history are prone to medullary thyroid cancer or non-medullary thyroid cancer. About 25% of medullary thyroid carcinoma is familial with autosomal dominant inheritance; 5% of non-medullary thyroid carcinoma is familial with autosomal dominant inheritance, and its aggressiveness is stronger than that of non-medullary thyroid carcinoma; most of papillary thyroid carcinoma is sporadic but the incidence of this carcinoma in first-degree relatives of patients with papillary thyroid carcinoma can be increased by 4?6 times. 3 .Is thyroid cancer contagious? In the clinic, some thyroid cancer patients and their families often ask whether thyroid cancer is contagious. In fact, thyroid cancer is only a kind of malignant tumor but not an infectious disease. Thyroid cancer cells can only reproduce and spread in the patient’s body, and it will not be infected from one patient to another, not to mention that there will not be a large-scale spread of the disease. Even if a doctor accidentally pricks his finger while treating a patient, the doctor who has blood contact has not been infected by the cancer cells. In short, living with thyroid cancer patients is not contagious and there is no need to take any isolation measures.