72 results
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Reactive: • Anemia ... deficiency) • Infection ... Sepsis • Non-infectious ... (malignancy, rheumatologic ... causes #Platelets #hematology
Petechiae: punctate spots that arise from spontaneous bleeding secondary to profound thrombocytopenia. 
The spots (easily visible
spontaneous bleeding secondary ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... #Rash #Petechiae ... Thrombocytopenia #UCSDH
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Nodosum has occured secondary ... Streptococcal infection ... Goldberg, M.D. - UCSD ... Images #Clinical #Dermatology ... ENodosum #Photo #UCSDH
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Infiltration: • Hematologic ... and non-hematologic ... malignancies • Infection ... Toxins • Aplastic Anemia ... Algorithm #Causes #Hematology
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Algorithm Signs of anemia ... Hypersplenism, Infection ... #Hemolytic #Anemias ... Diagnosis #Algorithm #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Inflammatory Conditions: Rheumatologic ... : Chronic infections ... Diagnosis #Algorithm #hematology
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
Causes of Hemolytic Anemia ... Internal - Infectious ... #Hemolytic #Anemia ... Diagnosis #Causes #hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
deficiency • Fanconi’s anemia ... deficiency Infections ... • Epstein-Barr virus ... Differential #Diagnosis #Hematology
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
Zoster: Herpes virus ... mediated infection ... bacterial skin infection ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Differential Diagnosis Secondary ... Thrombocytosis): • Acute infection ... malignancies • Anemia ... Diagnosis #Causes #hematology ... #secondary