27 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura - Diagnostic ... commonly renal and ... #Dermatology #Rash ... Palpable #Algorithm #Differential ... #Ddxof
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Ill-appearing, vital sign ... #Dermatology #Rash ... Targetoid #Algorithm #Differential ... #Ddxof
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
disease (10%) : SLE ... #dermpath #dermatology ... #semiology #signs ... #lesions #diagnosis ... pathology #lesions #differential
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
X-Ray Mallet finger ... collateral ligament Bennet ... Terry thomas sign ... Radiology #Wrist #differential ... #diagnosis
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
the Nikolsky sign ... the Nikolsky sign ... , the differential ... fever or Nikolsky sign ... #Diagnosis #Dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
mucositis - Rash ... : • Behçet Syndrome ... purpura: strong sign ... , and SLE) • Urinalysis ... differential #diagnosis
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... disease) Differential ... Oral aphthae : SLE ... • Arthritis: SLE ... #management #signs
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
diffuse palpable rash ... Diagnosis? ... Differential for ... atrial myxoma, Behcet ... #photo
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Pediatrics Patient - Differential ... Diagnosis Malar ... migrans: • Target sign ... gabrieltalledop #dermatology ... #diagnosis #peds
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... Malar (butterfly) Rash ... Livedo Reticularis, Vasculitis ... pathophysiology #diagnosis ... #signs #symptoms