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Here are the most common examples of these four patterns on a chest x-ray (click image
consolidation - Diffuse ... Nodule - Multiple Masses ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... #RadiologyAssistant
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
acute reticular pattern ... The other cause ... This was a PCP-infection ... #Clinical #Radiology ... Pneumonia #PJP #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... from the various causes ... acute cardiac infarction ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... mm) nodules • Diffusely ... process or (rarely) diffuse ... Opacities: • Infectious ... pulmonary #CXR #clinical
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... bronchiolitis in infection ... #Clinical #Radiology ... CTChest #Nodular #Pattern ... Comparison #Table #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... lobar pneumonia caused ... #Diagnosis #Radiology ... Differential #Table #RadiologyAssistant
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
planopilaris Pattern ... Related • Post-infectious ... Irreversible-biopsy required - Infectious ... HairLoss #Alopecia #dermatology ... Diagnosis #Algorithm #causes
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Tuberculosis - Patterns ... Innumerable, bilateral, diffusely ... spread of MTB infection ... #chest #xray #clinical ... #radiology #CXR
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Alopecia: - Infectious ... Traction alopecia Diffuse ... Post op, Post infection ... Scaling, pustules, crusts ... Differential #Diagnosis #dermatology
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
linear branching pattern ... It is caused by ... of infective bronchiolitis ... Sign #diagnosis #clinical ... #radiology #ChestCT