14 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 ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... erythematosus
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
erythematosus ... • Loose anagen syndrome ... - Secondary to Skin ... Diffuse #Focal #HairLoss ... Diagnosis #Algorithm #causes
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
- Secondary to Skin ... • Discoid lupus ... erythematosus ... Secondary syphilis #HairLoss ... Diagnosis #Algorithm #causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
evidence of (fatigue, rash ... 3rd Decade Skin ... Photosensitive rash ... Antiribosomal P, APLA, PAC ... Seizures • Strokes Skin
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Herald's atch • Tinea ... soles • Discoid Lupus ... Diagnosis #Algorithm #causes
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 ... , Vasculitis, Purpura ... Demyelinating syndromes ... SLE #systemic #erythematosus
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... macules • Erythematous ... • Goodpasture syndrome ... #dermatology #rash
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Capitis - Skin ... erythematosus, ... erythematosus, ... , Loose anagen syndrome ... #dermatology #Hairloss
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... sp. pruritic, erythematous ... skin of inflamed ... type #clinical #photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... : erythematous nodules ... mucositis - Rash ... such as systemic lupus ... erythematosus,