9 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Rashes- THE ALGORITHMIC ... ; however, an algorithmic ... Figure 4, page 12 ... While all patients ... #Diagnosis #Dermatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... ITP • SLE • CLL ... #Causes #Hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Significant ↓ PLT: Petechiae ... - infiltrates (anemia ... , thrombocytopenia ... #Leukemia #Hematology ... #Oncology #Diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... History of bleeding (petechiae ... changes), high MCV anemia ... not required in all ... #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
incompetent • CLL ... • Neutropenia, anemia ... , thrombocytopenia ... Leukemia #diagnosis #workup ... #oncology #hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... Algorithm Mean ... corpuscular (cell ... (EPO), iron or B12 ... #Workup #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Differential Diagnosis Algorithm ... Consider sickle cell ... Schistocytes, thrombocytopenia ... #workup #hematology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
infections/fevers • Thrombocytopenia ... bleeding, and petechiae ... - Parvovirus B19 ... • Parvovirus B19 ... #oncology #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... caused by bleeding (petechiae ... Nutritional: vitamin B12 ... Syndromes #diagnosis #hematology ... #oncology