27 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... • ANCA Associated ... #skin #dermatology ... #rheumatology # ... differential #diagnosis
Hypereosinophilia and Hypereosinophilic Syndrome

 • Secondary Hypereosinophilic Syndrome
 • Clinically Relevant HES Variants
 • When to
disorders • Diagnosis ... and Treatment Algorithm ... Matthew Ho, MD PhD ... Syndrome #HES #Hematology ... #management #algorithm
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Inflammatory Conditions: Rheumatologic ... , Vasculitides, ... Matthew Ho, MD PhD ... #Algorithm #hematology
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated ... Vasculitis There ... StanfordChiefs #ANCA ... #diagnosis #algorithm ... #rheumatology
Approach to Von Willebrand disease (VWD)

By Matthew Ho, MD PhD @MatthewHoMD

#VWD #Von #Willebrand #VonWillebrand #disease #hematology
Matthew Ho, MD PhD ... VonWillebrand #disease #hematology ... #algorithm #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Cryoglobulinemia (MIXED) • ANCA ... #Differential #Diagnosis ... #hematology #rheumatology ... #nonpalpable #dermatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
(C-ANCA): GPA > ... (P-ANCA): eGPA, ... Glomerulonephritis #Vasculitis ... #differential #diagnosis ... #algorithm #rheumatology
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
- Differential Diagnosis ... Algorithm aPTT ... Matthew Ho, MD PhD ... #Hematology #differential ... #diagnosis
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
- Differential Diagnosis ... Algorithm Features ... of hematologic ... Matthew Ho, MD PhD ... #Algorithm #hematology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
- Differential Diagnosis ... Algorithm • 12 ... -13 g/dL, • ANC ... Matthew Ho, MD PhD ... #Algorithm #hematology