11 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 ... Schönlein purpura • PAN ... #rashes #differential ... #diagnosis #rheumatology
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... staphylococcal scalded skin ... , the differential ... erythematous rash ... #Rash #Algorithm
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... immune system disorders ... petechial/purpuric, erythematous ... fever and systemic signs ... petechiae; #purpura; #rash
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Seizures • Strokes Skin ... +) anti-Ro/SSA can
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... • Ulcerated, erythematous ... reticularis Differential ... #dermatology #rash ... #diagnosis #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... with edema • Erythematous ... rash on the face ... Palmar papules: can ... Dermatomyositis #rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... temples, upper lip - Tan ... #dermatology #rash ... #differential # ... diagnosis #skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: erythematous nodules ... mucositis - Rash ... arterial aneurysms can ... purpura: strong sign ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... : Erythematous nodules ... , mucositis • Rash ... arterial aneurysms can ... #Diagnosis #Rheumatology
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
But can still have ... (blue-purple) rash ... rash on the face ... chest (in a V-sign ... diagnosis #management #rheumatology