41 results
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Clinical Features: Fever ... Criteria for HLH ... ): Molecular diagnosis ... : • Fever • Splenomegaly ... #hematology #criteria
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Periodic fever ... multiorgan failure • Fever ... - Nonremitting fever ... #Management #Hematology ... #Rheumatology
Adult Onset Still's Disease - Yamaguchi Criteria
Major criteria:
 - Fever >= 39C lasting >= 1 weeks
: - Fever >= 39C ... with concomitant fever ... Abnormalities in liver ... #Diagnosis #Major ... #Minor #Rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Auto-amplification loop Diagnosis ... • Clinical: fever ... , ↓ Fibrinogen level ... Drugs, Unknown cause ... treatment #summary #rheumatology
Diagnostic criteria for Neutropenic Enterocolitis (NEC)
Major Criteria:
 • Neutropenia (ANC <500 x 10^9 cells/L)
 • Bowel
Diagnostic criteria ... 30mm length) • Fever ... >38.3°) Minor Criteria ... Enterocolitis #Diagnosis ... #criteria #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Presentation / Diagnosis ... Diagnosis via genetic ... following: • Fever ... lymph node, or liver ... management #treatment #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... deficiency • Liver ... mountain spotted fever ... #Differential #Diagnosis ... #hematology #rheumatology
Kawasaki Disease (KD) - Diagnosis and Management Summary

Kawasaki Disease (KD) is the most common vasculitis of
Disease (KD) - Diagnosis ... Presentation: • Fever ... , Cough • +/-Nausea ... Criteria - Fever ... KD #vasculitis #rheumatology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
without other cause ... explain symptoms • Fever ... pulmonary edema) • Fever ... Transfusion #Reactions #hematology ... #diagnosis #comparison
Hemophagocytic Lymphohistiocytosis (HLH) Diagnostic Criteria - 2004 vs 2009

At least three of the following: 
 -
Lymphohistiocytosis (HLH ... ) Diagnostic Criteria ... following: - Fever ... @PulmCrit #HLH ... #Criteria #Hematology