19 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
sweats, chills (infection ... Dyspnea (underlying lung ... ) • Abnormal CXR ... refer + order CT ... History of cancer, lung
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Blood cultures • CXR ... ) • CXR upright ... seen • Chest CT ... Abscess Differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Opacities: • Infectious ... diagnosis #pulmonary #CXR ... #clinical #CT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Evaluation: Imaging (CXR ... +/- High res CT ... Diseases Fellows ... diagnosis #evaluation #differential
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Manifestations: • Infection ... (most common: lung ... (most common: lung ... , Aneurysm • Pancreas
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status • Chronic lung ... Lungs: • 90% ... infections • ... Imaging, high res CT ... #differential #
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
area of the left lung ... The differential ... collapse the involved lung ... PCC #Radiology #CXR ... #Oleothorax #NEJM
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
very important to differentiate ... In chronic disease ... - Lung neoplasms ... - Chronic post-infection ... Radiology #Pulmonary #CXR
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... involving both lungs ... Immunodeficiency 3) Infection ... Rheumatologic/Autoimmune diseae ... pulmonary #diagnosis #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... Bronchiectasis #pulmonary #differential