8 results
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... Differential Diagnosis Algorithm ... • Hypothyroidism ... #Hypothyroid #Hyperthyroid ... #Endocrinology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
normal T4 → Possibly ... • Low TSH, normal ... Can repeat labs ... Scan • High or normal ... #endocrinology
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
or high; normal ... or high; normal ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis #endocrinology
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... Differential Diagnosis Algorithm ... High/Normal Radioiodine ... Struma Ovarii #Hyperthyroidism ... #endocrinology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... High Prolactin + Normal ... High Prolactin + Normal ... • Primary Hypothyroidism ... #Endocrinology
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Hyperthyroidism ... Germ Cell Tumor Normal ... T4 and TSH • ... Secreting Tumor Normal ... #causes #endocrinology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
sedimentation rate + Normal ... Cytopenias • Cardiac valve ... , Serositis Labs ... > 1:80 • CBC, TSH ... flares • CRP normal
Subacute Thyroiditis

Also known as: de Quervain’s thyroiditis, granulomatous thyroiditis, or viral thyroiditis

What?
Postviral inflammatory process caused by
thyroid returns to normal ... jaw or ear Labs ... and T3 levels, ↓ TSH ... (2) Hypothyroid ... #deQuervains #endocrinology