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Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most common ... of these four patterns ... on a chest x-ray ... Consolidation - Lobar ... Nodule - Multiple Masses
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On a Chest X-Ray ... a CXR the most common ... detected on a chest ... seen and in many cases ... #Diagnosis #Radiology
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... Lobar pneumonia ... acute shortness of breath ... this is nodular interstitial
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
insertion of a chest ... and spaces can cause ... travels from these areas ... the head, neck, chest ... in subcutaneous areas
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
important finding on a chest ... The most common ... causes of atelectasis ... #Diagnosis #Radiology ... #Patterns #Comparison
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Face, upper back, chest ... Erythema with greasy ... - Sun-exposed areas ... Tinea versicolor - Chest ... especially anterior chest
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
mostly present as areas ... the following patterns ... solitary or multiple Interstitial ... Less frequently areas ... published soon: Chest
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Common Variable ... - gastric and breast ... Granulomatous lymphocytic interstitial ... Chest CT: • Ground-glass ... DDX - Other causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... Lymphadenopathy, Chest ... , Shortness of breath ... , Fatigue, Chest ... Pneumonia: • Chest
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
radiographic findings are areas ... and non-specific interstitial ... or NSIP pattern ... #Clinical #Radiology ... #CTChest #DrugInduced