55 results
VEXAS (Vacuoles, E1 enzyme, X-linked, Autoinflammatory, Somatic) Syndrome
Clinical Syndrome:
 • Common Clinical Features: alveolitis, ear and
thromboembolic disease ... vasculitis • Hematologic ... Abnormalities: macrocytic anemia ... cells NEJM Review ... Autoinflammatory #Somatic #rheumatology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Congenital Diseases ... deficiency • Fanconi’s anemia ... Wiskott-Aldrich syndrome ... Systemic lupus erythematosus ... Differential #Diagnosis #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Iron deficiency anemia ... anemia (sometimes ... lymphoma, Multiple myeloma ... lymphoma, Multiple myeloma ... differential #diagnosis #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... Vesicopustule on erythematous ... Antiphospholipid-antibody syndrome ... Discoid lupus erythematosus ... differential #diagnosis #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... Systemic lupus erythematosus ... connective tissue disease ... SLE), Sjogren's Syndrome ... ANA #patterns #rheumatology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Churg-Strauss syndrome ... systemic lupus erythematosus ... - Schnitzler syndrome ... - Sjögren syndrome ... Vessels #Diagnosis #Rheumatology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
• Pancreatic Disease ... Formation • Multiple Myeloma ... Myelodysplastic Syndromes ... • Liver Disease ... Algorithm #Causes #Hematology
Plasma cell leukemia with extensive rouleaux formation. Aggressive disease & patients typically younger than other forms
Aggressive disease ... other forms of myeloma ... Clinical #Smear #Hematology ... #Pathology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
, Liver diseases ... Myelodysplastic syndrome ... , Liver diseases ... Hemolytic uremic syndrome ... #differential #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Vasculitides, IBD, Celiac disease ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology