HTHSCI 1DT3 Lecture Notes - Lecture 17: American Nitrox Divers International, Thyroidectomy, Biopsy
26 Dec 2020
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Radionucleotide (tc or i) scan (hot vs. cold) Fnac (can"t distinguish adenoma vs. follicular ca) Thyroid migrates from its origin at the foramen caecum at the base of the tongue. Lies anterior to 3rd-4th tracheal rings in the pretracheal fascia. Leaves behind the thyroglossal cyst which atrophies. Ectopic thyroid tissue can be found anywhere along this descent. Subacute lymphocytic (e. g. post-partum) (multinodular goitre c nodules too small to palpate) Can localised pain due to cyst bleed. Stop 10 days prior to surgery (they vascularity) Check for phaeo pre-op in medullary carcinoma. Laryngoscopy: check vocal cords pre- and post-op. Damage to both obstruction needing tracheostomy. Usually parathyroid dysfunction but may be permanent if parathyroids removed. Rx: propranolol, antithyroid drugs, lugol"s iodine and hydrocortisone sodium succinate. Assoc. c calculi and poor oral hygiene. 80% are in the parotid (80% are superficial) Deflection of ear outwards is classic sign. One of the commonest malignant salivary tumours. Facia lata face lift for facial palsy.
