58 results
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Wiskott-Aldrich syndrome ... erythematosus • HLH ... consumption • Vitamin B12 ... deficiency Infections ... Differential #Diagnosis #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
: Overwhelming clinical ... syndrome associated ... age, however the disease ... lymph node, or liver ... #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Renal Disease, Liver ... Inflammation, Chronic Infection ... (>100 fL) • B12 ... #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • B12 ... Alloimmune • anti-HLA ... Non-lmmune: • HELLP Syndrome ... Vasculitis • Infection ... #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... • Pancreatic Disease ... Myelodysplastic Syndromes ... Disease #Macrocytic ... #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
accumulation of clinical ... Assessment • Clinical ... • Autoimmune diseases ... Adult-onset Still disease ... Treatment: •
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... SLE], AOSD) • Infection ... thrombocytopenia • Liver ... Treatment: • Corticosteroids ... Diagnosis #Management #Hematology
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Causes of Acute ... Parenchyma • Infectious ... obstruction, HELLP Syndrome ... Hepatitis, TPN • Infectious ... Acute #algorithm #hepatology
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Diagnosis • Infectious ... Trauma: Shock liver ... Metabolic: Wilson Disease ... Differential #Diagnosis #causes ... #hepatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... Kasabach-Merritt syndrome ... deficiency • Liver ... APLS • Acute Infectious ... Differential #Diagnosis #hematology