10 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... Diagnosis: Vasculitis ... #Dermatologic ... Polyangiitis #GPA #dermatology ... #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
thrombocytopenic purpura ... usually IgG) (e.g. lupus ... , CLL, lymphoma, ... Extravascular #Causes #differential ... #diagnosis #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... Sjögrens (15%) Skin ... , Purpura, Urticaria ... #SLE #systemic ... #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... anemia - Splenomegaly ... Diagnosis #hematology ... #nonpalpable #dermatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... permanent alopecia Differential ... lupus erythematosus ... #Systemic #Lupus ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Diagnosis: Systemic ... lupus erythematosus ... , and SLE) • Urinalysis ... differential #diagnosis ... #rheumatology #
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
(HCV) • CLL & ... • Coombs (-) hemolytic ... anemia due to cold ... Paraproteinemias #Hematology ... #Diagnosis #Oncology
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
(systemic lupus ... erythematosus) ... Congenital heart disease ... #Causes #peds #pediatrics ... #diagnosis #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... as SLE, atherosclerotic ... #Differential #Diagnosis ... #Rheumatology