13 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 ... Henoch Schönlein purpura ... Sarcoidosis #dermatology ... #differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Maculopapular rash ... Differential Diagnosis ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Herpes Zoster Mandibularis - The lesions were scattered along the area that is innervated by the
A presumptive diagnosis ... #Clinical #Photo ... #Dermatology #Herpes ... #Mandibularis #Rash ... #NEJM #Shingles
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
) - Diagnosis and ... 40, F:M 9:1 • Clinical ... Manifestations: Malar rash ... pANCA anti-MPO - Negative ... Erythematosus #Diagnosis
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
fastidious gram-negative ... +purpuric rash → ... purpura fulminans ... the key to the diagnosis ... #dermatology #clinical
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... signs #symptoms #diagnosis ... #rheumatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
correlations • Purpura ... disease (10%) : SLE ... Vasculitis #dermpath #dermatology ... signs #lesions #diagnosis ... #clinical #manifestations
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... NPSLE rare, Malar rash ... 40, F:M 9:1 • Clinical ... pANCA anti-MPO - Negative ... #diagnosis #management
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Cryofibrinogenemia Clinical ... Skin necrosis • Purpura ... : • + Clinical ... levels >1g/L • Negative ... hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
(Petechial or purpuric ... rash) • Heart, ... erythematosus [SLE ... Activation #Syndrome #Diagnosis ... #Management #Hematology