45 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Antiphospholipid-antibody syndrome ... lesions • Discoid ... #rashes #differential ... #diagnosis #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... reticularis Differential ... • Goodpasture syndrome ... #rash #diagnosis ... #rheumatology
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
most frequent skin ... appearing during the disease ... #differential # ... diagnosis #dermatology ... oncology #clinical #skin
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Diagnosis Table ... Cold Agglutinin Disease ... Matthew Ho, MD PhD ... #Diagnosis #Table ... #hematology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Lesions == Macules ... Lesion / Systemic ... Myelodisplastic syndrome ... Psychiatric Disease ... #generalized #dermatology
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Exanthem - Lyme Disease ... / Ill, Target Lesions ... Stevens-Johnson Syndrome ... Macules #Papules #Rash ... #Skin
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Vasculitides, IBD, Celiac disease ... Kawasaki, Nephrotic syndrome ... Matthew Ho, MD PhD ... Diagnosis #Algorithm #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... retinal damage) • Skin ... test (this is a skin ... ) Differential Diagnosis ... signs #symptoms #rheumatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Generalized itchy rash ... SAPHO syndrome ( ... #Lesions #Differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... Demyelinating syndromes ... pain (20%) Renal disease ... symptoms #diagnosis #rheumatology