10 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• CT: Halo sign ... Abdominal pain, chronic ... Legionella: • Nausea ... factor • May cause ... in 100% of cases
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Dyspnea (underlying lung ... ) • Abnormal CXR ... disease #Chronic ... #causes
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... looking at the lateral ... anteriorly in the left lung ... caused by Sterptococcus ... Clinical #Radiology #CXR
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Differential Diagnosis Algorithm ... progressive dyspnea and cough ... Beomycin • Acute or Chronic ... Amy Chung, MD, MSc
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... Unknown • 6-7 cases ... life • History: cough ... - Imaging: • CXR ... , Chronic eosinophilia
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... multiple ill-defined masses ... month history of chronic ... non-productive cough ... Clinical #Radiology #CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... • Chronic alcoholism ... dyspnea, productive cough ... Blood cultures • CXR ... early disease) • CXR
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Lobar pneumonia ... a patient with cough ... nodular interstitial lung ... Diagnosis #Radiology #CXR
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation causes ... cough • Hypoxia ... Nasal polyps and signs ... in the adjacent lung ... of the affected lung
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... symptoms are not caused ... e.g. incidental CXR ... Pulmonary: dyspnea, cough ... anterior/posterior MSK