18 results
Nikolsky's Sign in Toxic Epidermal Necrolysis (TEN)

Nikolsky's sign is a clinical dermatological sign which is present
is a clinical dermatological ... syndrome, caused ... differentiating between the diagnosis ... #TEN #Dermatology ... PhysicalExam #Video #Clinical
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... Vasculitis #dermpath #dermatology ... #semiology #signs ... #lesions #diagnosis ... #pathology #lesions
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
to 40 years of age ... association • M > F Clinical ... injury) • Neurologic ... syndrome (Clinical ... #management #signs
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... Inverse Gottron’s sign ... ulcerations • Skin ... auricular papules Clinical ... #dermatology #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... • Extremes of age ... cryoglobulins • Skin ... #dermatology #physicalexam
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... high index of clinical ... Underlying valve pathology ... in up to 30% of cases ... #Endocarditis #comparison
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Cryofibrinogenemia Clinical ... : • + Clinical ... cryoglobulins • Negative causes ... Biopsy: Typical pathologic ... hematology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
Risk factors: Critical ... without other cause ... Risk factors: Age ... Transfusion #Reactions #hematology ... #diagnosis #comparison
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... The signs and symptoms ... resembling rashes caused ... #Clinical #Photo ... #Dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Takayasu: - Age ... temporal artery - Age ... VASCULITIS: • Behçet ... purpura: strong sign