2025 results
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroid Disorders ... Differential Diagnosis Algorithm ... • Radioactive Iodine ... Hypopituitarism • Iodine ... @AmyChung #Thyroid
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup Algorithm ... Radioactive Iodine ... disease • Low iodine ... • Exogenous thyroid ... Differential #Diagnosis #Algorithm
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
) - Diagnostic Algorithm ... Radioactive iodine ... concern for nodular thyroid ... Hyperthyroid #Diagnosis #Algorithm
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Differential Diagnosis Algorithm ... Panhypopituitarism Thyroid ... - Congenital Thyroid ... • Severe Iodine ... Differential #Diagnosis #Algorithm
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... symmetrically enlarged thyroid ... → Radioactive Iodine ... Hyperthyroidism #algorithm
Thyroid Goiter on Physical Exam

Mother and daughter both presenting with thyroid goiters caused by iodine deficiency.
Thyroid Goiter on ... presenting with thyroid ... goiters caused by iodine ... bruno.farnetano #Thyroid ... #PhysicalExam #iodine
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
of Patients for Thyroid ... increased radioactive iodine ... increased radioactive iodine ... decreased radioactive iodine ... decreased radioactive iodine
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
thyroxine • Iodine ... loading • Ectopic thyroid ... disease • Excess thyroid-stimulating ... #radioactive #iodine
Amiodarone Thyroid Complications
Amiodarone: 
 - iodine-rich, similar structure to T4, with half life up to 100d
Amiodarone Thyroid ... Amiodarone: - iodine-rich ... pts w/ latent thyroid ... dz: iodine load ... Wolff-Chaikoff effect (iodine
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Toxicosis • Iodine ... with radioactive iodine ... uptake • Thyroid ... Thionamide - Iodine ... • Radioactive iodine