12 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... seen and in many cases ... RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... an ill-defined area ... weight loss or long ... Clinical #Radiology #CXR ... #Pneumonia #RadiologyAssistant
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Differential Diagnosis ... Red Flags: • Fever ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... Diagnosis #Algorithm #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... and dyspnea • Lobar ... factor • May cause ... infiltrates or lobar ... AIDS #pulmonary #differential
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... a patient with cough ... with low oxygen level ... nodular interstitial lung ... #Causes #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... dyspnea, productive cough ... Blood cultures • CXR ... early disease) • CXR ... Abscess Differential
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
important finding on a chest ... has a limited differential ... The most common causes ... #Patterns #Comparison ... #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
life • History: cough ... , dyspnea, fever ... - Imaging: • CXR ... consolidation and GG pattern ... legionella/strep, HIV
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Advanced HIV (CD4 ... - Cough and lung ... • Dyspnea, • Chest ... NTM #Infections #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Symptoms: • Chronic cough ... Loss of weight • Chest ... , CCP, ANCA • HIV ... Bronchiectasis #pulmonary #differential