13 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
: • 80% have fever ... Leukocytosis, anemia ... Blood cultures • CXR ... early disease) • CXR ... westermani • Other: TB
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 ... with leukopenia, anemia ... #Hematology #Rheumatology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Presentation: • Fever ... index < 2 • EPO Level ... Treatment: ... #oncology #hematology ... #diagnosis #management
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
, dyspnea, +/- CXR ... - 80% have fever ... organ damage • Treatment ... TLS #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
emboli • Lung abscess ... : • Fever • Weight ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
emboli • Lung abscess ... : • Fever • Weight ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... Subacute-Acute: • Common: fever ... common • Imaging: CXR ... APML #diagnosis #management ... #hematology #oncology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Hematologic malignancy ... Presentation: Fever ... Bone Marrow - Anemia ... Manifestations: • Fever ... • Fever and weight
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
Neutropenic fever ... : - Fever + ANC ... ): - Hematologic ... or HSCT - CRS: fever ... therapy - Symptoms: fever
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
Reconstitution Inflammatory Syndrome ... osteomyelitis, cutaneous abscesses ... - Pneumonitis (fever ... Fever, chills, lack ... Differential #Diagnosis #Management