11 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
central nervous system ... granulomatosis - microscopic ... induced by chronic ... #Rheumatology # ... Diagnosis
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
halt nail growth (e.g ... discoloration) • Chronic ... • Nephrotic syndrome ... #Secondary #dermatology ... #Differential #Diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... Labs/Diagnosis: ... vasculitis - GPA, EGPA, microscopic ... tissue disorder (e.g ... . systemic lupus
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... rendering the immune system ... ’s CLL Scoring system ... #workup #oncology ... #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 #
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
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Differential Diagnosis ... vein thrombosis Hematologic ... with Lupus: • Chronic ... Erythematosus #Diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... polarized light microscopy ... affected joint • Systemic ... Screening Tests for Chronic ... #diagnosis #testing
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... (PR3-ANCA)): Microscopic ... Eosinophilia, asthma, chronic ... #Rheumatology