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Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
papules, pustules, necrosis ... Nodules, livedo, necrosis ... signs #lesions #diagnosis ... #clinical #manifestations
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
weeks • Typical clinical ... cholestasis, no necrosis ... unless massive necrosis ... Patchy/extensive necrosis ... #differential #diagnosis
Esophageal Necrosis
Etiology:
 - Ischemia and Gastric Outlet Obstruction with GERD may be inciting events
 - Associated
Esophageal Necrosis ... Necrosis should ... restored to esophagus Clinical ... retrosternal chest pain Diagnosis ... #diagnosis #management
Calcific Uremic Arteriolopathy (calciphylaxis) - Hand photo and XRay
Based on this image, what is the likely
is the likely diagnosis ... calciphylaxis) - clinical ... calcification -> tissue necrosis ... Note necrotic lesions ... #photo #XRay #clinical
Avascular Necrosis: Pathogenesis and Clinical Findings
 • Physical Trauma (esp. to the scaphoid bone with damage
Avascular Necrosis ... Pathogenesis and Clinical ... cells => Avascular Necrosis ... Sclerosis surrounding necrotic ... pathophysiology #diagnosis
Heparin Induced Thrombocytopenia (HIT) - Diagnosis and Management - GrepMed Handbook

Presentation: 
 • Plts ↓50% (nadir
Thrombocytopenia (HIT) - Diagnosis ... thrombosis, skin necrosis ... : • Clinical Suspicion ... (prevent skin necrosis ... non-heparin A/C if clinical
Diagnosis of Cryoglobulinemia Vasculitis

1) Presence of cryoglobulin 
Circulating immunoglobulins that precipitate with cold temperature and dissolve
Diagnosis of Cryoglobulinemia ... not related to clinical ... Ulcers, distal necrosis ... Cryoglobulinemia #Vasculitis #Diagnosis
Nikolsky's Sign in Toxic Epidermal Necrolysis (TEN)

Nikolsky's sign is a clinical dermatological sign which is present
Toxic Epidermal Necrolysis ... Nikolsky's sign is a clinical ... toxic epidermal necrolysis ... differentiating between the diagnosis ... PhysicalExam #Video #Clinical
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
Pathogenesis and clinical ... Perivascular, Capillary necrosis ... Findings: Muscle necrosis ... Polymyositis #PM #Diagnosis
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
and Differential Diagnosis ... RARELY ulcerate or necrose ... #Differential Diagnosis ... Dermatology #SkinRash #Clinical