62 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Cytokines, Mast Cells ... Formation -> Vasculitis ... #HUV #Pathophysiology ... #Rheumatology
Polycythemia (Erythrocytosis) - Pathophysiology

#Polycythemia #Erythrocytosis #Pathophysiology #hematology #algorithm #differential #diagnosis
Erythrocytosis) - Pathophysiology ... Erythrocytosis #Pathophysiology ... #hematology #algorithm ... #differential #
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... Pathophysiology: ... trauma, infection, vasculitis ... #Diagnosis #Dermatology ... #Differential #
Petechiae / Purpura - Differential Algorithm by Pathophysiology

Dr. Zaven Sargsyan @sargsyanz

#Petechiae #Purpura #Differential #Algorithm #Pathophysiology #diagnosis
Petechiae / Purpura - Differential ... Algorithm by Pathophysiology ... Petechiae #Purpura #Differential ... #Algorithm #Pathophysiology ... #diagnosis #dermatology
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
yrs old; F>M Signs ... Anemia - Giant cells ... Temporal #Arteritis #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Leukocytosis - Differential ... Diagnosis Algorithm ... Features of hematologic ... predominant immature cells ... #hematology #WBC
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Skin Lesions - Differential ... Diagnosis Algorithm ... #SkinRash #dermatology ... #Differential # ... Diagnosis #Algorithm
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
semiology of Cutaneous Vasculitis ... • Drug-induced vasculitis ... #dermpath #dermatology ... #semiology #signs ... pathology #lesions #differential
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Erythroderma - Diagnostic Algorithm ... Pathophysiology: ... #Diagnosis #Dermatology ... Erythroderma #Nikolsky #Algorithm ... #Differential #
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... Ill-appearing, vital sign ... #Diagnosis #Dermatology ... Color #Targetoid #Algorithm ... #Differential #