15 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 ... lesions • Discoid ... #rashes #differential ... #diagnosis #rheumatology
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
Fluid-filled Rash ... Vesiculobullous lesions ... proteins in the skin ... Bullous #Algorithm #Differential ... #Ddxof
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
or fluid-filled lesions ... sulfa-drug - Skin ... #Diagnosis #Dermatology ... Targetoid #Algorithm #Differential ... #Ddxof
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... reticularis Differential ... Polyangiitis #GPA #dermatology ... #rash #diagnosis ... #rheumatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Generalized itchy rash ... #Lesions #Differential ... #Diagnosis #Dermatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Arthralgia/arthritis, Skin ... rash ± odynophagia ... fraction < 20% Differential ... Disease #diagnosis #management ... #treatment #rheumatology
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
brown tint of the rash ... annular, purpuric lesions ... erythematous punctate lesions ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... test (this is a skin ... Behcet disease) Differential ... Syndrome #diagnosis #management ... signs #symptoms #rheumatology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
blisters containing pus ... lesions + Rheumatic ... SAPHO #Syndrome #Rheumatology ... #diagnosis #management ... #Dermatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... papulosquamous lesions ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Erythematosus #Diagnosis #Rheumatology