13 results
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Interstitial - ... - Multiple Masses ... Clinical #Radiology #CXR ... #Patterns #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... in fact this is nodular ... interstitial lung ... Diagnosis #Radiology #CXR ... #Causes #RadiologyAssistant
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
i.e. cancer) • Dyspnea ... (underlying lung ... disease or CHF) ... ) • Abnormal CXR ... #causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Diagnosis Algorithm ... Obstruction • Asthma ... Neoplasm Pulmonary Interstitium ... • ILD • CHF
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
nodules or a mass ... patients with asthma ... Clinical #Radiology #CXR ... #CTChest #MucoidImpaction ... Mucus #Plugging #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... patterns: reticular, nodular ... lung disease and ... seen and in many cases ... #Differential #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... History: cough, dyspnea ... - Imaging: • CXR ... irregular lines, nodular ... • HRCT: patchy consolidation
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
-> Rheumatoid Nodules ... extravasation -> Dyspnea ... pleural effusion on CXR ... inflammation tends to cause ... interstitial lung
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
, erythematous nodules ... • Lobar consolidation ... factor • May cause ... fever, rales, interstitial ... nodules possible
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
following patterns: Consolidation ... Atelectasis Nodule ... solitary or multiple Interstitial ... Pathophys #Radiology #CXR ... #RadiologyAssistant