51 results
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 ... telomeropathy Cancer ... consumption • Vitamin B12 ... #Diagnosis #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... - Low Serum B12 ... Myelodysplastic Syndromes ... #elevatedMCV #Differential ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... hemolysis, deficiency anemia ... Rebound effect from treatment ... Malignancy: Metastatic cancer ... Kawasaki, Nephrotic syndrome
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... crisis • Severe B12 ... macroangiopathic hemolytic anemia ... " • HELLP syndrome ... #diagnosis #hematology
Clinically Important Vitamins and Vitamin Deficiency States
Fat-soluble Vitamins: 
 • Vitamin A - Xerophthalmia, night blindness,
Clinically Important ... • Thiamine B1 ... Wernicke-Korsakoff syndrome ... gestation • Vitamin B12 ... Vitamins #Deficiency #differential
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... Non-lmmune: • HELLP Syndrome ... Algorithm #Causes #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Framework for Anemia ... Megaloblastic: Vitamin B12 ... Myelodysplastic syndrome ... morphologic #mcv #differential ... diagnosis #causes #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Index < 2: • Anemia ... loss), Vitamin B12 ... infiltration (e.g. cancer ... Production #Index #hematology ... #anemia #differential
Acute Kidney Injury (AKI) in Patients with Cancer 

Cancer Related 
• Hypercalcemia 
• Intravenous contrast 
•
Patients with Cancer ... Cancer Related ... change disease • Hematologic ... malignancies Treatment ... #Oncology #Differential
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Pericardial Effusion - Differential ... Metastatic: Lung Cancer ... , Breast Cancer, ... • Metabolic: Uremia ... Diagnosis #Causes #cardiology