43 results
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Wiskott-Aldrich syndrome ... telomeropathy Cancer ... erythematosus • HLH ... Differential #Diagnosis #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
accumulation of clinical ... Assessment • Clinical ... B-LNH), solid cancers ... Unknown cause Treatment ... #summary #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
: Overwhelming clinical ... syndrome associated ... • Bicytopenia Treatment ... diagnosis #management #treatment ... #hematology
A non-subtle example of true Sezary syndrome.  Patient presented with erythroderma without antecedent history of
of true Sezary syndrome ... mjcascio #Sezary #Syndrome ... #Cells #Clinical ... #Pathology #Smear ... #Microscopy #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Rebound effect from treatment ... Malignancy: Metastatic cancer ... Inflammatory Conditions: Rheumatologic ... Kawasaki, Nephrotic syndrome
Hypereosinophilia and Hypereosinophilic Syndrome

 • Secondary Hypereosinophilic Syndrome
 • Clinically Relevant HES Variants
 • When to
Hypereosinophilic Syndrome ... Hypereosinophilic Syndrome ... • Clinically ... Diagnosis and Treatment ... #HES #Hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... Clinical Presentation ... • HLH Labs: ... Treatment: • Corticosteroids ... #Rheumatology
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
von Willebrand Syndrome ... adsorption onto cancer ... vonWillebrand #Syndrome ... Diagnosis #Management #treatment ... #hematology #differential
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
arteritis, Cogan's Syndrome ... , Sarcoidosis, HLA-B27 ... Other Causes: Cancer ... Differential #Diagnosis #rheumatology
Drugs Used for the Treatment of COVID-19 Infection

** Editor Note (from ophthalmology MD input) - Hydroxychloroquine/chloroquine
Drugs Used for the Treatment ... Editor Note (from ophthalmology ... precisely "macular pathology ... HCQ treatment would ... highlighted circle= clinical