Thyrotoxicosis Flashcards
Graves disease is characterised by
Diffuse goiter - چةو-پوست
…………..Ab is specific for graves disease .
Thyroid stimulating immunoglobulin (TSI) Or Thyrotropin receptor Ab (TRAB) .
Apathetic thyrotoxicosis
In elderly features maybe subtle or masked
اعراض هايپر
قرمزبوونةوةي راحة اليد
شرى
خورة
Onycholysis
Diffuse hyperpigmentation **
Diffuse alopecia
Vitiligo
Fine tremor
AF is more common in >50y
Hypokalemic periodic paralysis
Hepatic dysfunction/hepatomegaly
Increased excretion of ca and p in urine and stool
Mild hypercalcemia 20 %
Hypercalciuria is more common
Osteopenia
Small increase in fracture rate
👆(RBC ,EPO,Production,plasma) =normal hematocrit
زيادبووني خلايا مناعية بيجگة لة نوتروفيل
Proximal myopathy
Muscle wasting
BP In hypo and hyperthyroidism
1/👆diastolic P,narrowingPP
2/👆systolic p, widening PP
Effects of hypothyroidism on reproductive sys
Misscariage in women
Gynecomastia in man
Thyroid dermopathy /Pretibial myxedema
If extend the whole lower leg and foot (🦶 +🦵) =Elephantiasis
Acropachy
Strongly associated with dermopathy
Clubbing of the fingers and toes with soft tissue swelling
Subperiosteal new bone formation
Laboratory evaluation
(TSH👇 /هميشة
(يا T4ياT3بالا يا جفتشون
Checking Trab ……>specific for graves
Follow up in hyperthyroidism
3-4week
With free T4/first 4months
After that T4 +TSH
Treatment
1/Anti thyroid drug((first line treatment))
Propyl-thio-uracil /inhibit deiodination
Carbimazole+methimazole+propylthiouracil ………>👇thyroid Ab +inhibit TPO
2/ Ablation ……>👇Thyroid tissue by surgery or radioiodine (131I)
اگر جواب نةيةد وة دارو يان گويتةري فرة گةورابوود يا دووبارة پركاري بادةو ……>ablasion
👆chance of recurrency in graves
Thyrotoxicosis caused by medication,Rio is ………..
👇
Ex/due to medications or thyrotoxicosis
TSH👇
(T3 +T4)……>normal
Subclinical hyper
علاج نيتواد اگر غير عرضيية ، الا اذا يكيگ بتواد حاملة بوود يان مشاكل دل ديرد
Follow up 6-12mo
Dermopathy mimicking
Elephantiasis
Rare but major side effects of anti-thyroid drugs
فورا لازم قطع الدواء
Agranulocytosis
SLE -like syndrome
Hepatitis +cholecystitis
How to avoid thyrotoxic crisis before thyroidectomy
Potassium iodide is needed prior to surgery
Toxic MNG tests shows
Subclinical hyperthyroidism
👇TSH
(T3+ T4)=normal
Age👆
Treatment choice =ablation with radioactive or surgery (must first be euthyroided with antithyroid drugs).
Surgery specially if the nodule is greater than 4cm
Or treatment with radiographic ablation or ethanol injection under ultrasound guidance.
Secondary hyperthyroidism
👆TSH /👆(T3 +T4)
TSH=nor /👆(T3+T4)
لازم چيك كردن محوةرةگان تر أو imaging
Subacute thyroiditis =viral=de quervain=granulomatous
Previous upper respiratory infection 2-3mo
High chance of recurrency
TFT ……like hyper primary ((emptying gland storage)) then may become hypothyroidism .
Acute thyroiditis
TFT:
Clinical picture
Diagnosis +treatment
Normal
Pain+lymphadenopathy
FNA……>Culture……>Antibiotic
Abscess driange or thyroidectomy
Post partum thyroiditis
3-6month after delivery
Almost with positive TPO + DM1+Depression after giving birth 🤰
They pass transient hyperthyroidism /2-4week in this phase should not be given anti-thyroid drugs (just beta blockers for tachycardia).
Some may develop hyperthyroidism