16 results
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Adult-Onset Still's Disease ... salmon-colored maculopapular ... rash, arthritis ... #AOSD #rheumatology ... #diagnosis #management
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Diagnosis Algorithm ... Myelofibrosis Infectious ... Iron deficiency anemia ... #Diagnosis #Algorithm ... #Causes #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Diagnosis Algorithm ... inclusions - If infection ... bartonella (oroya fever ... Diagnosis #Algorithm ... #workup #hematology
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
nonpruritic macular or maculopapular ... Leukocytosis (10,000/microL ... #AOSD #diagnosis ... #rheumatology # ... management
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Lymphadenopathy • Fevers ... weeks without infection ... lymphocyte > 5000/microL ... • Neutropenia, anemia ... #oncology #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... - infiltrates (anemia ... plaques) AML Dx ... #Hematology #Oncology ... #Diagnosis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
kidney failure DDX ... ) • Infection ( ... with leukopenia, anemia ... #Management #Hematology ... #Rheumatology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
) B symptoms → fevers ... Complications: 1) Infection ... chemotherapy for low-risk disease ... #oncology #hematology ... #management
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Presentation: • Fever ... and thymoma DDX ... virus (EBV) • Leukemia ... #oncology #hematology ... #diagnosis #management
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Tissue damage • Leukemia ... • Autoimmune diseases ... tachycardia or fever ... #differential # ... #WBC #CBC #hematology