7 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
high; in some cases ... scan with focal ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis #endocrinology
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Differentiation of Causes ... of Hyperthyroidism ... loading • Ectopic thyroid ... hormone stimulation Focal ... #endocrinology
Hashitoxicosis

‘Leakage’ symptoms of active Hashimoto’s disease

- Hashitoxicosis (Htx) can occur during the initial hyperthyroid stage in
during the initial hyperthyroid ... thyroiditis that causes ... hormone (hyperthyroidism ... Diffuse infiltration ... Hashitoxicosis #Hashimotos #Endocrinology
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... Radioactive iodine ... concern for nodular thyroid ... #Hyperthyroid # ... #Workup #Endocrinology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diagnosis Algorithm ... Endocrine • Hypothyroidism ... • Hyperthyroidism ... contraceptives • Hyperthyroid ... #causes
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperthyroidism ... goiter • Toxic diffuse ... Toxicosis • Iodine ... #causes #diagnosis ... #differential #endocrinology
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Differential Diagnosis Algorithm ... Panhypopituitarism Thyroid ... • Severe Iodine ... #endocrinology ... #causes