31 results
Pathologic Red Blood Cell (RBC) Morphologies and Associated Diseases

Acanthocyte (spur cell),  
Basophilic stippling, 
Bite cell,
#RedBloodCell #Morphology ... Morphologies #Key #Atlas ... #Microscopy #Pathology ... #Hematology #Diagnosis
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... manifestations (e.g ... retroorbital mass) • Microscopic ... and Sjogren's syndrome ... #diagnosis
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Blood Cell (RBC) Morphology ... Atlas • Microcytic ... Myelodysplastic syndrome ... #Atlas #key #diagnosis ... #differential #hematology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Associated: - Microscopic ... Disease • Cogan syndrome ... #rheumatology # ... differential #diagnosis
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
granulomatosis - microscopic ... Churg-Strauss syndrome ... #Vessels #Diagnosis ... #Rheumatology # ... Diagnosis
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
disease c-ANCA - Vasculitis ... granulomatosis p-ANCA - Vasculitis ... Microscopic polyangiitis ... Associations #diseases #diagnosis ... #table #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential Diagnosis ... Non-lmmune: • HELLP Syndrome ... HUS • DIC • Vasculitis ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
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
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... for workup, including ... Rheumatologic, Vasculitides ... Kawasaki, Nephrotic syndrome ... #Differential #Diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Labs/Diagnosis: ... - GPA, EGPA, microscopic ... tissue disorder (e.g ... Cryoglobulins #diagnosis ... classification #rheumatology