9 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... • Goodpasture syndrome ... • Giant cell arteritis ... #dermatology #rash ... #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... rheumatologic diseases ... pancreatitis, protein-losing ... with Lupus: • Chronic ... #Diagnosis #Rheumatology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Gap (Total Protein ... changes (POEMS syndrome ... gastric tumors • Hematology ... #differential # ... diagnosis #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
infection risk secondary ... • Nodules • Lymphoid ... DDX - Other causes ... • Burns • Protein-losing ... hypogammaglobulinemia #immunology #hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
diseases: - 10% ... Type III Often Secondary ... systemic lupus erythematosus ... #types #classification ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... tract, and often causes ... systemic lupus erythematosus ... #diagnosis #rheumatology ... #classification
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... activity • ↓ LAP ... bone marrow and secondary ... #Leukemia #Hematology ... #Oncology #Diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
ischemia • Skin: Erythematous ... with elevated protein ... Eosinophilia, asthma, chronic ... tract, and often causes ... #Diagnosis #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... • Nonerosive arthritis ... statins - probably caused ... Myositis #Myopathy #rheumatology ... #differential #