51 results
Thrombotic Microangiopathies In Systemic Lupus Erythematosus

Dr. Laurent ARNAUD @Lupusreference

#TMAs #Thrombotic #Microangiopathies #Systemic #Lupus #Erythematosus #SLE #hematology
Microangiopathies In Systemic Lupus ... Microangiopathies #Systemic #Lupus ... Erythematosus #SLE ... #hematology #rheumatology ... #differential #
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... Reactive: • Anemia ... Autonomous: • Essential ... Thrombocytosis #Differential ... causes #Platelets #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Autonomous: • Essential ... Iron deficiency anemia ... Thrombocytosis #Differential ... Algorithm #Causes #Hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... deficiency • Fanconi’s anemia ... Wiskott-Aldrich syndrome ... Diseases: • Systemic lupus ... #Diagnosis #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... malignancies • Anemia ... Thrombocytosis): • Essential ... Myelodysplastic syndrome ... Diagnosis #Causes #hematology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
erythematosus (SLE ... erythematosus (SLE ... ), Sjogren's Syndrome ... ANA #patterns #rheumatology ... #diagnosis #differential
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Megakaryopoiesis • Aplastic Anemia ... Autoimmune • ITP • SLE ... Non-lmmune: • HELLP Syndrome ... Algorithm #Causes #Hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... hemolysis, deficiency anemia ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Splenomegaly - Differential ... polycythemia vera, essential ... Inflammatory • Systemic Lupus ... Spleen #Enlarged #Differential ... Algorithm #Causes #Hematology