13 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Pain Rash ... infection Malar rash ... base • Gonococcal ... #pain #skin #rashes ... #differential #
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
Erythematous Rashes ... - THE ALGORITHMIC ... based on the presence ... rash but without ... #Rash #Algorithm
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 ... interphalangeal joints ... violaceous macules and erythematous
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Erythrematous ... silvery scale on elbows ... Auspitz sign, Koebner's
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Algorithm Monoarthritis ... arthritis - with the skin ... Systemic Lupus Erythematosus ... like “butterfly rash
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... Papulonodular, erythematous ... painless, no systemic signs ... Infection #clinical #photo
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
evidence of (fatigue, rash ... eruption - Butterfly rash ... Photosensitive rash ... Still disease, dermatomyositis ... Photosensitivity • Malar rash
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
hour collection based ... pancreatitis), joints ... maculopapular rash ... vesicular rash, ... #Algorithm #differential
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
(blue-purple) rash ... rash on the face ... chest (in a V-sign ... shoulders (in a shawl sign ... interphalangeal joints
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... • Psoriasis - Elbows ... #dermatology #rash ... #differential # ... diagnosis #skin