Endicrinology Flashcards
Prolactinoma Presentation
Female- Amenorrhea, Galctorrhea, Microadenoma
Male-Decreased libido, Macroadenoma visual field changes
Pralctinoma Dx
Medications
TSH
Prolactin
MRI to find tumor
Prolactinoma Treatment
Dopamine Agonists
Carbegoline>Bromocriptine
Acromegaly Presenation
kids-gigantism Adults-Hands, Feet, Face]visceral organs diabetes, Diastolic HF Dx: ILGF-1 Glucose Supression Test Tx: Surgery Octreotide
Hypopituitarism Acute Causes
Infection, Infarction, Iatrogenic
Hypopituitarism Acute Presentation
Cortisol-Hypotensive, Tachycardia TSH-Lethargy, Coma Dx: Cortisol T4 Tx: Replace hormones
Diabetes Insipidus Presentation
Polydipsia, Polyuria, Normal glucose, no glucose in the urine
Dx: H2O Deprivation test
Tx: PP- stop drinking water
Central- DDAVP
Nephrogenic-Gentle Diuresis, HCTZ, Amiloride
H20 Deprivation Results
increase uOSM=PP
Give ADH-uOSM and it corrects means central
Give ADH with no change means nephrogenic
SIADH Presentation
Pt: Hyponatremia Dx: U/A- uNa increased increase uOsm sOsm decreased Tx: Water Restriction Demeclocycline
Hyperthyroidism Presentation
Tachycardia, Diarrhea, Heat intolerance, increased DTR, Weight loss, A-Fib
Dx: TSH decreased
Free T4 increased
Tx: Surgery
Radioactive iodine ablation for everything else
Hypothyroidism Presentation
Bradycardia Constipation decreased DTR Weight gain Dx: TSH increased T4 Decreased RAIU Tx: Levothyroxine
Treatment for thyroid storm
- Propanolol
- PTU/methimazole
- Steroids
Thyroid Nodule history risk of cancer
Hx of radiation to the head and neck
H/O of cancer or cancer in the family
Hoarseness
Age, <20, >60
Thyroid nodule Physical exam for risk of cancer
Fixed, Firm, Hard, Non-tender Lymph nodes
U/S: Solid, Hypoechoic, Size >2cm
Microcalcifications, irregular borders
Thyroid nodule <1 cm
Repeat U/S in 6-12 months
Thyroid Nodule >1 cm
FNA
FNA findings thyroid
CA- Resection
Not CA- Repeat U/S 6-12 months
Inconclusive-repeat FNA
Paipillary CA description
Most common
Orphan Annie Nuclei
Ts: Resection
Follicular CA description
FNA shows normal thyroid
hematogenous spread
Tx: Radioactive iodine ablation
Medullary CA description
C-cells, Calcitonin
Associated with MEN 2A 2B
RET oncogene and pheochromocytoma
Anaplastic CA description
affects the elderly
Locally invasive usually fatal