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Thyroid - Coggle Diagram

- - - - Causes:
        
        Toxic Multi-Nodular Goiter (TMNG): also called Plummer’s disease.
        
        Toxic adenoma.
        
        Transient hyperthyroidism (thyroiditis): De Quervain Thyroiditis and post-partum thyroiditis.
        
        Drugs: e.g. Amiodarone (it causes both hypo and hyperthyroidism)
        
        Iatrogenic: exogenous thyrotoxicosis, i.e. by thyroxin intake Thyrotoxicosis Factitia)
        
        Gravis diseases (toxic diffuse goiter): the most common cause of hyperthyroidism.
      - primary or sec (rare)pitituary
      - Dx
        
        low TSH , T3 o 4 high (4 larger amount deiodiniation), thrpyrogloulin high عدا في حاله exogeous
        
        Radioactive iodine test (diagnostic):
        
        . Diffuse increase in iodine uptake  Gravis disease
        
        Patchy increase in iodine uptake
        
        TMNG
        
        Solitary increase in iodine uptake  Toxic adenoma.
        
        Decreased iodine uptake  either Thyrotoxicosis Factitia or thyroiditis
    - - Sub-acute thyroiditis
      - viral infection (URT) followed by PAINFUL enlargement
      - fever, inflammatory markers are elevated ESR