Head Neck Thyroid Parathyroid Flashcards
Mucous retention cyst of sublingual gland
Ranula
Benign tumor of the tongue derived from schwann cells?
Treatment?
Giant cell myoblastoma (ABRIKOSSOF TUMOR)
Tx: wide excision
Arise from dental lamina associated with impacted tooth
Presents as painless mandibular mass
Xray: “soap bubble appearance”
Ameloblastoma
Cyst of oral mucosa due to rupture of ductal system hence submucosal accumulation of mucus
Mucous retention cyst
Where does left Recurrent LN crosses?
Aorta
Where does right Recurrent LN crosses?
Subclavuan artery
In radionuclide imaging, what kind of iodine is used to see residual thyroid after surgery or for metastatic cancer?
Iodine-123 (half life: 12-14 hours)
In radionuclide imaging, what kind of iodine is used to screen and treat well differentiated thyroid cancers?
Iodine-131 (half life: 8-10 days)
Adverse effect of methimazole
Congenital aplasia
Adverse effect of anti-thyroid drugs
Granulocytopenia/ agranulocytosis
Peripheral neuritis
Aplastic anemia (irreversible)
Action of PTU and methinazolr
Inhibit iodine organification and coupling of iodotyronine
PTU: also inhibit peripheral conversion of T4 to T3
Disadvantage of Radioactive iodine therapy
Progression of ophthalmopathy
Increased rate of cardiovascular mortality
Advantage of RAI in hyperthyroidism
Eurhyroid in 2 months
Absolute contraindication for RAI
Pregnant and breastfeeding
Indication of RAI
Elderly male with small-moderate goiters
relapse after surgery
What are the components of hartley-dunhill procedure?
Total ipsilateral lobectomy
Isthmusectomy
Contralateral subtotal thyroidectomy
Signs and symptoms are sinilar to grave’s but extrathyroidal sx are absent
Toxic multinodular goiter
Occurs in young patient with long standing nodule with hyperthyroidism
PLUMMER’s disease (Toxic Adenoma)
If with recurrent acute thyroiditis, suspect what anomaly?
3rd branchial cleft anomaly
Persistent PYRIFORM SINUS fistula
Thyroiditis common in children, preceded by URTI
Acute suppuratice thyroiditis
Kind of thyroiditis viral in origin
Subacute thyroiditis PAINFUL type
Sub acute Thyroiditis that is auto immune in origin
Subacute thyroiditis PAINLESS Type
Most common inflammatory disorder of thyroid gland
Hashimoto’s/ Lymphocytic/Chronic thyroiditis
Leading cause of hypothyroidism
Hashimoto’s/ Lymphocytic/Chronic thyroiditis