10 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Infectious Mono (EBV ... Noninfectious: SJS/TEN, Erythema ... Sweet syndrome, Vasculitis ... Diagnosis #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... Rash is usually ... of necrotizing vasculitis ... comparison #table #differential ... #diagnosis #dermatology
Purpura - Differential Diagnosis Framework

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

Immune Complex Mediated (granular staining):
pathophysiologic causes ... • Limited to Kidney ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract, and often causes ... mucositis - Rash ... Kidneys -> glomerulonephritis ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... musculoskeletal systems • Kidneys ... , mucositis • Rash ... tract, and often causes ... Diagnosis #Rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
leak syndrome • Erythema ... Autoimmunity: • -MM/WM: Vasculitis ... Hypergammaglobulinemic macular Vasculitis ... Paraproteinemias #Hematology ... #Monoclonal #Differential
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
of about three cases ... • History of EBV ... • Pruritis • Erythema ... Immunohistochemical studies (to differentiate ... classification #hematology