24 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... ) (e.g. lupus, CLL ... , lymphoma, idiopathic ... #hematology #anemia
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Syndrome (CAS): ... Diagnosis: • hemolytic ... anemiaCold ... #hemolytic #anemia ... #hematology #diagnosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
: Cold autoimmune ... hemolytic anemia ... , Paroxysmal cold ... #differential #diagnosis ... #hematology #microscopy
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
associated with pruritus ... • Goodpasture syndrome ... Polyangiitis #GPA #dermatology ... #rash #diagnosis ... #rheumatology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
deficiency • Fanconi’s anemia ... Wiskott-Aldrich syndrome ... • Leukemia • Lymphoma ... Systemic lupus erythematosus ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... DIC/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... #hematology #rheumatology ... #nonpalpable #dermatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Consider sickle cell ... Agglutination - Cold ... cardiac valve, vasculitis ... #workup #hematology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... Differential: • Lymphoma ... Myelodisplastic syndrome ... #primary #secondary ... #generalized #dermatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... , deficiency anemia ... , Vasculitides, ... IBD, Celiac disease ... #Algorithm #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... - infiltrates (anemia ... -> Invade Skin: ... #Hematology #Oncology ... #Diagnosis