332 results
Identify a Positive Tuberculosis (TB) Skin Test
#Diagnosis #Tuberculosis #LatentTB #Tuberculin #SkinTest #TST #Interpretation #Induration #Thresholds #Diameters
Tuberculosis (TB ... Tuberculosis #LatentTB #Tuberculin
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
Tuberculin Skin ... individual with active TB ... consistent with old TB ... carcinoma of head/neck/lung ... #Tuberculosis #Tuberculin
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
affecting the lungs ... • Lymphoma • Lung ... • Progressive lung ... • Upper lobe lung ... : • Tuberculin
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
affecting the lungs ... • Lymphoma • Lung ... • Progressive lung ... • Upper lobe lung ... : • Tuberculin
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... Acute Infections: Lung ... Chronic Infections: TB ... cancer, Metastatic lung ... #Cavitary #Lung
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lung Segment Anatomy ... Chest CT Right Lung ... Posterior Left Lung ... Lung: • Upper ... pulmonary #clinical #radiology
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Infectious (viral, TB ... BrighamChiefs #Lung
Cicacitration atelectasis
Atelectasis can be the result of fibrosis of lungtissue.
This is seen after radiotherapy and in
infection, especially TB ... density of the lung ... #Clinical #Radiology
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Testing LATENT TB ... IGRA/QuantiFERON-TB ... interpreted Tuberculin ... age ACTIVE TB ... Diagnosis #Workup #TB
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
masses is very long ... #Management #Radiology ... #Lung #Multiple