13 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Blood Cell (RBC) Morphology ... Chemotherapy (e.g ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
granulomatosis - microscopic ... induced by chronic ... Vasculitis #Vessels #Diagnosis ... #Rheumatology # ... Diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
: • Acute or chronic ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #diagnosis ... #arthritis
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
- Differential Diagnosis ... Neoplastic / Hematologic ... • Rheumatoid Arthritis ... • Drug Abuse (e.g ... Fatigue Syndrome
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
arthralgia, and arthritis ... Labs/Diagnosis: ... vasculitis - GPA, EGPA, microscopic ... tissue disorder (e.g ... Cryoglobulins #diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... polarized light microscopy ... Screening Tests for Chronic ... #laboratory #workup ... #diagnosis #testing
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
a rare chronic ... nonerosive inflammatory arthritis ... antiinflammatory properties e.g ... diagnosis #management ... #Dermatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... . hematologic) ... vein thrombosis Hematologic ... with Lupus: • Chronic ... Erythematosus #Diagnosis
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Marrow Failure • Chronic ... abnormal under a microscope ... Workup: • Complete ... #diagnosis #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... PR3-ANCA): • Microscopic ... Eosinophilia, asthma, chronic ... Dx: GPA, EGPA, microscopic ... #rheumatology #