8 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... reticularis Differential ... Diagnosis: Vasculitis ... #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... DIC/TTP/HUS - Hemolytic ... /HSP • Cryoglobulinemia ... #Diagnosis #hematology ... #rheumatology #
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... and autoimmune hemolytic ... DDX - Other causes ... : • Nephrotic syndrome ... #immunology #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Granulomatous ... tract, and often causes ... to exclude are infections ... differential #diagnosis ... #rheumatology #
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
LDH - Assess for hemolysis ... Reticulocyte count ... present) - These infections ... are common causes ... #diagnosis #glomerulonephritis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... tract, and often causes ... #Differential #Diagnosis ... #Rheumatology
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
LDH - Assess for hemolysis ... or viscera. 4) Reticulocyte ... present) - These infections ... are common causes ... #workup #diagnosis
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
History of EBV infection ... nodosum • Immune hemolytic ... (NSHL) - (most common ... Hodgkin Lymphoma Workup ... classification #hematology