CSO EXAM CH 26 THYROID CANCER questions with
complete solutions
What is function of thyroid? - ANSWER regulates heart rate, body temp, weight, calcitonin
(hormone to maintain calcium levels)
how has thyroid incidence changed? - ANSWER It is increasing, however is 2/2 to catching
cancer earlier
what is 5 year survivial? - ANSWER 97.7%
Symptoms of early thyroid? - ANSWER typically asymptomatic
as grows s/s increase
S/S of thyroid cancer - ANSWER cough
dysphagia
difficulty breathing
enlargement of thyroid gland
neck pain
hoarse or change in voice
How is thyroid cancer diagnosed? - ANSWER Blood tests (TSH, calcitonin)
Thyroid US
radioactive scans
, biopsies
Staging -- anaplastic thyroid - ANSWER is always stg IV
Risk factors for thyroid cancer - ANSWER exposure to increased levels of radiation
genetic mutations (20-25% of medullary carcinoma)
>45 yo AND female
goiters
high BMI is weakly associated
chronic iodine deficiency
Excessive iodine deficiency
What cancer has a higher incidence r/t genetics? - ANSWER medullary carcinoma
What cancer is linked to chronic iodine deficiency? - ANSWER follicular carcinoma - thyroid
What cancer is linked to excessive iodine intakes? - ANSWER papillary carcinoma -- thyroid
*research in regards to fish intake is inconclusive*
Link between goitrogens and thyroid cancer - ANSWER no evidence that goitrogens in
cruciferous veggies are harmful
-- hard to study iodine in food as it varies with soil quality
What type of thyroid cancer has the highest prevalence? - ANSWER papillary (differentiated)
what types of thyroid are differentiated? - ANSWER papillary
complete solutions
What is function of thyroid? - ANSWER regulates heart rate, body temp, weight, calcitonin
(hormone to maintain calcium levels)
how has thyroid incidence changed? - ANSWER It is increasing, however is 2/2 to catching
cancer earlier
what is 5 year survivial? - ANSWER 97.7%
Symptoms of early thyroid? - ANSWER typically asymptomatic
as grows s/s increase
S/S of thyroid cancer - ANSWER cough
dysphagia
difficulty breathing
enlargement of thyroid gland
neck pain
hoarse or change in voice
How is thyroid cancer diagnosed? - ANSWER Blood tests (TSH, calcitonin)
Thyroid US
radioactive scans
, biopsies
Staging -- anaplastic thyroid - ANSWER is always stg IV
Risk factors for thyroid cancer - ANSWER exposure to increased levels of radiation
genetic mutations (20-25% of medullary carcinoma)
>45 yo AND female
goiters
high BMI is weakly associated
chronic iodine deficiency
Excessive iodine deficiency
What cancer has a higher incidence r/t genetics? - ANSWER medullary carcinoma
What cancer is linked to chronic iodine deficiency? - ANSWER follicular carcinoma - thyroid
What cancer is linked to excessive iodine intakes? - ANSWER papillary carcinoma -- thyroid
*research in regards to fish intake is inconclusive*
Link between goitrogens and thyroid cancer - ANSWER no evidence that goitrogens in
cruciferous veggies are harmful
-- hard to study iodine in food as it varies with soil quality
What type of thyroid cancer has the highest prevalence? - ANSWER papillary (differentiated)
what types of thyroid are differentiated? - ANSWER papillary
