TFTs Flashcards
Hyperthyroidism signs
Nervousness, heat intolerance, diarrohea, muscle weakness, and loss of weight and appetite
Fine hair, exophthalmos, tremor
Hypothyroidism
Cold intolerance, constipation, fatigue, and weight gain, which, in children, is primarily caused by the accumulation of myxedematous fluid.
Loss of lateral eyebrows
Periorbital oedema and puffy face
Tests options for thyroid?
TFTs: TSH levels
Antithyroid antibodies: Diagnoses chronic lymphocytic thyroiditis (Hashimoto thyroiditis)
FBC: Abscess diagnoses?
Fine needle aspirate
Imaging studies for the thyroid?
- Ultrasonography - To determine whether the nodule is cystic, solid, or mixed
- Radioiodine scintigraphy - To determine whether the nodule is cold, warm, or hot.
- Chest radiography - If malignancy is suspected, given the high incidence of early metastases to the lungs
- Computed tomography (CT) scanning and magnetic resonance imaging (MRI) - To analyze the extent of disease by scanning the neck and chest
Benign neoplasm of thyroid
Follicular adenoma
Malignant neoplasms of the thyroid?
Primary: Papillary, follicular, anaplastic, medullary, lymphoma
Metastatic: Lymphoma
What are the thyroid function tests?
TSH
FT4 (Free thyroxine)
FT3 (Free tri-iodothyronine)
TSH released from ..
Anterior lobe of pituitary
Which thyroid antibodies are tested?
Thyroid peroxidase antibodies
Thyroglobulin antibodies
TSH receptor antibodies