Dietary Iodine And Thyroid Cancer
Iodine is a mineral found in some foods.
Dietary iodine and thyroid cancer. The availability of iodine in foods differs in various regions of the world. Total iodine intake and thyroid cancer hawaii u s. A case control study in hawaiian adults reported the association between dietary iodine intake and thyroid cancer in 191 cases 85 ptc and 442 controls. In particular iodine deficiency is associated with an increased risk of follicular thyroid cancer whereas chronically high iodine intake may increase the risk of papillary thyroid cancer vuong et al 2016.
Based on a food frequency questionnaire we investigated the role in thyroid cancer of food items rich in iodine such as seafood and of vegetables containing goitrogens such as cruciferous vegetables. Iodine is present naturally in soil and seawater. Factors that should be considered when studying the effect of dietary iodine in the development of thyroid cancer include pathological criteria diagnostic techniques screening programs radioactive fallout and standard of medical care in the studied population. The study included 293 cases of thyroid cancer and 354 population controls.
The current study is focused on dietary iodine intake and fish consumption food rich in iodine and analyzed by conditional logistic regression. A food frequency questionnaire was used to estimate iodine intake but iodine content of local seafood was not available so values. The diet records included two weekdays and one weekend day. Dijkstra et al 2007.
Your body needs it to make thyroid hormones. The diet recommended by thyca medical advisors other thyroid cancer experts and the american thyroid association increases the effectiveness of the radioactive iodine treatment. To assess the patients diets during usual and lid periods three day diet records were collected. Dietary guidelines for a low iodine diet for korean thyroid cancer patients preparing for radioactive iodine therapy.
The association between iodine exposure levels and the histology of thyroid cancer is well known. While low dietary iodine has been considered as a risk factor for thyroid cancer development previous studies found controversial results across different food types. Among different ethnic groups dietary factors are influenced by various dietary patterns eating habits life styles nutrition and other environmental factors. Individuals in the united states can maintain adequate iodine in their diet by using iodized table salt by eating foods high in iodine particularly dairy products seafood meat some breads and eggs and by taking a multivitamin containing iodine see below.
In most surveys papillary carcinom. The food record booklet was designed to be.