57 results
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... Diagnosis Algorithm Infectious ... Inflammatory • Systemic Lupus ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Diagnosis • Infection ... Lemierre's syndrome ... Malignancy: - Hematologic ... carcinoma • Non-infectious ... . autoimmune): Lupus
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Rebound effect from treatment ... Vasculitides, IBD, Celiac disease ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Framework Non-Infectious ... arteritis, Cogan's Syndrome ... (RA), Systemic lupus ... rare), Idiopathic Infectious ... Differential #Diagnosis #rheumatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Myelofibrosis Infectious ... disorders • Celiac disease ... effect following treatment ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... ) - HELLP syndrome ... Hemolytic uremic syndrome ... usually IgG) (e.g. lupus ... differential #diagnosis #hematology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Churg-Strauss syndrome ... malignomas, and infectious ... - systemic lupus ... - Sjögren syndrome ... Vessels #Diagnosis #Rheumatology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Congenital Diseases ... Wiskott-Aldrich syndrome ... : • Systemic lupus ... deficiency Infections ... Differential #Diagnosis #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... Kasabach-Merritt syndrome ... APLS • Acute Infectious ... Differential #Diagnosis #hematology ... #rheumatology #
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... block • Sjogren syndrome ... Treatment: • ... #Systemic #Lupus ... Summary #diagnosis #rheumatology