Endocrine - Thyroid Flashcards Preview

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Flashcards in Endocrine - Thyroid Deck (13)
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0
Q

Hypothyroidism is characterized by a slowing down of almost all bodily processes except for?

A

Menstrual flow (increased)

1
Q

Most common cause of hypothyroidism? Other, less common causes?

A

Hashimoto’s

#Iodide deficiency
#amiodarone
2
Q

Treatment of hypothyroidism?

A
#If TSH over 10 with normal T4, replace hormone
#If TSH 5-10, send serum antibodies (anti-thyroid peroxidase anti-thyroglobulin). If positive, replace hormone
3
Q

Patient with suspected hypothyroidism – best first test? Second test?

A

TSH; free T4

4
Q

Only thyroid disorder with eye/skin abnormalities?

A

Graves’ disease

5
Q

Thyroid disorder with tender thyroid? (Treatment?)

Nontender thyroid with normal physical exam? (Treatment?)

A

Subacute thyroiditis (ASA)

Painless “silent” thyroiditis (supportive)

6
Q

Hyperthyroidism with nonpalpable, involuted gland?

A

Exogenous thyroid hormone use

7
Q

Only hyperthyroid disease with elevated TSH?

A

Pituitary adenoma

8
Q

Only thyroid disease with elevated radioactive iodine uptake? Confirmatory test?

A

Graves’ disease; positive antibody testing (to TSH receptor)

9
Q

Treatment of thyroid storm?

A
#Propranolol – for symptoms and inhibition of peripheral conversion of T4 to T3
#Methimazole >propylthiouracil (blocks hormone production)
#Iodinated contrast – blocks peripheral conversion of T4 to T3 and blocks release of existing hormone
#Steroids
#Radioactive iodine – oblates gland for permanent cure
10
Q

Treatment for Graves ophthalmopathy? If fails? If that fails?

A

Steroids. If no response, radiation

If no response, decompressive surgery

11
Q

Pt presents with thyroid nodule. Next steps?

A
  1. TSH and T4

2. If normal, FNA

12
Q

FNA finding that necessitates excisional biopsy?

A

Follicular adenoma (cannot rule out cancer)

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