23 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... Liver function tests ... Treatment: • Corticosteroids ... MAS #Macrophage #Activation ... #Rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
for workup, including ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic ... Vasculitides, IBD, Celiac disease ... Kawasaki, Nephrotic syndrome
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Overwhelming clinical syndrome ... excessive macrophage activation ... age, however the disease ... presents as an acute ... following: • Fever
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
- 80% have fever ... - ACS, AKI, acute ... lab signs of end organ ... damage • Treatment ... diagnosis #management #hematology
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Active TB: • Fever ... Can involve any organ ... Tuberculosis Treatment ... Initiating Treatment ... Diagnosis #Management #Treatment
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
Syndrome Acute ... Retroviral Syndrome ... Headache (45%) • Fever ... ) Treatment: ... ART to slow HIV disease
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Lymphadenopathy • Fevers ... cells can indicate disease ... microglobulin Treatment ... ’s lymphoma or acute ... Leukemia #diagnosis #workup
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... specific laboratory tests ... hypergammaglobulinemia, ↑ acute ... management #phenotypes #workup ... #treatment #rheumatology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... Triggers: ATRA treatment ... : • Common: fever ... Renal Failure Treatment ... unless severe APLS, organ
Chagas Disease - American Trypanosomiasis - Diagnosis and Management Summary
Chagas disease (American trypanosomiasis) is an infectious
weeks incubation Acute ... mild (malaise, fever ... Confirmatory Tests ... - check Acute ... , reactivation in