248 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Evaluation of Hyperthyroidism ... Possibly Central Hypothyroidism ... → Subclinical Hyperthyroidism ... - T3 → Primary Hyperthyroidism ... → MRI Pituitary
Nipple Discharge - Galactorrhea - Differential Diagnosis Algorithm

↑ TSH - Primary hypothyroidism
↑ ß-HCG - Pregnancy
↑ Creatinine
TSH - Primary hypothyroidism ... failure MRI of pituitary
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
Primary Hyperthyroidism ... Secondary hyperthyroidism ... production by the pituitary ... myxedema #Primary #Hyperthyroidism
Sellar / Pituitary Mass - Differential Diagnosis Algorithm
Adenoma - Primary Anterior Pituitary
 - Secreting
Sellar / Pituitary ... Primary Anterior Pituitary ... Hypothyroidism) ... #SellarMass #Pituitary
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... TSH-Secreting Pituitary ... Struma Ovarii #Hyperthyroidism
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Normal/ Low TSH • Pituitary ... Inhibition • Pituitary ... TSH • Primary Hypothyroidism
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
Algorithmic Approach to Hypothyroidism ... Framework Central Hypothyroidism ... drug-induced • Pituitary ... lesions Overt Hypothyroidism ... Subclinical Hypothyroidism
Reversible Neurocognitive Disorders (Reversible Causes of "Dementia")
 • Structural/Mass: Subdural Hematoma, NPH, Intracranial tumor
 • Infection:
Endocrine: Hypo/hyperthyroidism ... hyperparathyroidism, Pituitary
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
sarcoidosis) Pituitary ... Prolactin: • Pituitary ... • Hypothalamic-Pituitary ... compression) • Hypothyroidism ... Pituitary - Other
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperthyroidism ... Manifestation of Hyperthyroidism ... Insomnia Primary Hyperthyroidism ... TSH-producing pituitary ... sequestrants Hyperthyroidism