34 results
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Clues to Infectious ... Disease Diagnosis ... → Leptospirosis ... Schistosomiasis • Skin ... #differential #Diagnosis
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Diagnosis Framework ... : CTD: SLE, RA related ... vasculitis, infections ... #Vasculitis #skin ... #differential #diagnosis
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... the context of cutaneous ... disease (10%) : SLE ... (3%) • Infections ... signs #lesions #diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... parvovirus B19 infection ... Malar rash ... parvovirus B19 infection ... #differential #diagnosis
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
Cutaneous manifestations ... Infectious manifestations ... dermatomyositis, SLE ... leukocytoclastic vasculitis ... #differential #diagnosis
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Etiologies Unusual Infections ... psittaci/avian, leptospirosis ... ) - Returning travelers ... disorders: - Vasculitis ... Other Rheum (RA, SLE
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Cryoglobulins Cause ... Labs/Diagnosis: ... Henoch-Schönlein purpura) • Cutaneous
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... to exclude are infections ... strong sign of cutaneous ... , and SLE) • Urinalysis
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
response -> Subacute cutaneous ... hair follicles -> causes ... inflammation on skin ... Livedo Reticularis, Vasculitis ... pathophysiology #diagnosis
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
migrans skin Rash ... . diagnosis? ... may be seen in travelers ... self-limited Diagnosis ... dermatology #clinical #photo