9 results
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
malignancies • Infection ... • Toxins • Aplastic ... AnemiaMyelodysplasia ... Nutritional deficiency ... Algorithm #Causes #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Inflammation, Chronic Infection ... Hypothyroidism • Myelodysplasia ... #Anemia #MCV ... #Classification ... Algorithm #Causes #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... Non-hemolytic: ACD, Aplastic ... Macroangiopathic, Infections ... #Differential # ... Diagnosis #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
x (Hct / 45) / Maturation ... Factor The maturation ... marrow failure: Aplastic ... #hematology #anemia ... #differential #
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Reticulocytes, MCV ... • Aplastic Anemia ... #Classification ... Algorithm #Causes #Hematology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Aplastic Anemia ... • Aplastic anemia ... • Reticulocyte index ... #Anemia #oncology ... #hematology #diagnosis
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential ... Megaloblastic anemia-rare ... - Copper deficiency-rare ... white blood cell aplasia ... diagnosis #causes #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Aplastic Anemia ... Myeloproliferative Disease • Neutropenia ... blood count with differential ... Syndromes #diagnosis #hematology ... #oncology
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Heme (lymphoma. aplasia ... /myelodysplasia) ... • Infections ... ICL #diagnosis #hematology ... #Differential #