9 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... complete ring of consolidation ... Legionellosis, Tuberculosis ... Dermatomyositis, Lung ... Reverse #Halo #Sign
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
hemoptysis • Dyspnea ... and Culture • CXR ... Treatment: Active ... Initiating Treatment ... disease • Check CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
hemoptysis • Dyspnea ... and Culture • CXR ... Treatment: Active ... Initiating Treatment ... disease • Check CXR
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... in particular) Evaluation ... : Imaging (CXR ... workup #diagnosis #evaluation
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... • Lobar consolidation ... #Infections #HIV ... #AIDS #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
• Hypoxia • Dyspnea ... Nasal polyps and signs ... centrilobular nodules, or consolidation ... in the adjacent lung ... mycobacteria Treatment
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
History: cough, dyspnea ... - Imaging: • CXR ... • HRCT: patchy consolidation ... Organizing Pneumonia Treatment ... Pneumonia #COP #BOOP #pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... pain, hemoptysis, dyspnea ... Blood cultures • CXR ... early disease) • CXR ... #Abscess #pulmonary
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
admitted with severe dyspnoe ... The following signs ... with perihilar consolidations ... After treatment ... Clinical #Radiology #CXR