10 results
Notice the cavitation especially on the right.
In the left upper lobe there is probably some traction-bronchiectasis
the left upper lobe ... Clinical #Radiology #Pulmonary ... #CTChest #Tuberculosis ... #TB #Active #SecondaryTB
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection • Pulmonary ... • HIV: 2/3 pulmonary ... Progression: • Upper lobe ... Tuberculin skin test ... Active TB: •
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection • Pulmonary ... • HIV: 2/3 pulmonary ... Progression: • Upper lobe ... Tuberculin skin test ... Active TB: •
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Testing LATENT TB ... IGRA/QuantiFERON-TB ... TB AFB smear microscopy ... used to exclude pulmonary ... Diagnosis #Workup #TB
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
Pulmonary Hypertension ... remodeling of pulmonary ... , but normal activity ... dyspnea, fatigue, or chest ... dyspnea, fatigue, chest
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Miliary TB: random ... a patient with active ... TB. 7. ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
Air-Fluid Level on Chest ... PMH of latent TB ... and pleuritic chest ... original CXR Labeled ... ChestXRay #Clinical #Pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... • Infection: TB ... adults • Blood tests ... function tests: ... Sweat chloride test
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Dyspnea at rest ... the right middle lobe ... hemorrhage, and seizure activity ... infiltrates on chest ... scattered crackles, chest
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Illnesses: • Pulmonary ... of right middle lobe ... Kansasii: • Mimics TB ... complicate MAC pulmonary ... • Dyspnea, • Chest