15 results
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Miliary Infection (TB ... Hypersensitivity Pneumonia, COP ... Sarcoidosis, NSIP, COP ... #Diagnosis #pulmonary ... #radiology
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... OP is organizing ... called cryptogenic (COP ... #Diagnosis #Radiology ... #Pulmonary #CXR
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... Diagnosis for Pulmonary ... , C3, C4, anti-CCP ... • CXR (diffuse ... high resolution chest
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
heart failure, COPD ... /- High res CT chest ... Fungal, AFB), TB ... HIVAIDS #workup #diagnosis ... #evaluation #differential
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
diagnosis. ... organizing pneumonia (OP ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #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
cough Pleuritic CP ... Tuberculosis Diagnosis ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
obstruction • COPD ... • Infection: TB ... Physical stigmata of cor ... Laboratory: • ANA, RF, CCP ... #differential #
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... adenocarcinoma in situ; COP ... interstitial pneumonia; OP ... #Diagnosis #Pulmonary ... #Radiology #RHS
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
cough Pleuritic CP ... Tuberculosis Diagnosis ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
necrosis (7-14 days later ... Blood cultures • CXR ... westermani • Other: TB ... Lung #Abscess #pulmonary ... #differential #