14 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Cytokines, Mast Cells ... perivascular inflammatory cells ... Vasculitis #HUV #Pathophysiology ... #Rheumatology
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... germinative skin cells ... Skin-homing T-cells ... #Diagnosis #Dermatology
Sickle Cell Disease - Pathophysiology of disease and complications 

Due to the deformed shape, HbS induces
Cell Disease - Pathophysiology ... the sickle red cells ... SickleCell #Disease #Pathophysiology ... Complications #Hematology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Reed-Sternberg (RS) Cells ... Lymphocyte - 5% RS cells ... (LP) tumour B cells ... Classification #pathophysiology ... #Hematology #Diagnosis
Non-cirrhotic Hyperammonemia - Differential Diagnosis Framework

Hematologic & Vascular:
 • Multiple myeloma & Acute leukemia (plasma cells
Diagnosis Framework Hematologic ... leukemia (plasma cells ... Differential #Diagnosis #Pathophysiology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... Lysis Syndrome: • Pathophysiology ... Lysis of tumor cells ... diagnosis #management #hematology
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
and endothelial cells ... diagnosis #models #hematology ... #pathophysiology
Liver Chemistry Tests - AST, ALT, Alkaline Phosphatase and Bilirubin Metabolism
AST and ALT:
 • AST: liver
within bile duct cells ... AlkPhos #Bilirubin #Hepatology ... #Pathophysiology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Activation of CD8 T cells ... Phagocytosis of blood cells ... treatment #summary #rheumatology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
ATRA treatment Pathophysiology ... Release from blast cells ... diagnosis #management #hematology