how read chest xr 14
TRANSCRIPT
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HOW READ CHEST XR -14
ANAS SAHLE ,MD
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Brief review
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PATCHY
INFILTIRATION
NODULE
MASS
CAVITARY
OPACITY
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Consolidation
Infection causes
Pneumonia Non-infection causes
Lymphoma
Broncho-
alveolar
carcinoma
COP
WEGNER disease
Sarcoi
d
Cardiac
failure
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Solitary Pulmonary Nodule(SPN)
Comparison with a previous x-ray toAssess growth over time.
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Cavitary lesion
Air + tissueAir-fluid level
StraightAbscess
Wavy ruptured
Hydatid cyst
Air only
ThickIrregular
inner wall
Cavitating
neoplasm
Regular
inner wall
Chronic
abscess
ThinPeriph
eral Emphesemato
us bulla
Centralpneu
matocele
Wall thickness
site1. Fungal ball.2. Rupture hydatid cyct3. Necrotic tumor4. Blood glot
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LINEAR PATTERN
LINEAR PATTERNPerihilar and peripheral basal septal lines,changes acutely and resolves with diuretics
LEFT VENTRICULAR FAILURE
Coarsening of lung markings in lower zones, nochange on review of recent films
Normal ageing
Coarse nodular and linear thickening ofmarkings, known malignancy, often associatedwith pleural effusion, rapid clinicaldeterioration of patient
Lymphangitis
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LINEAR PATTERNLINEAR PATTERN
Short thin lines, often basal, new on review ofprevious films
Atelectasis
Longer thicker bands, often perihilar or basal,suggest recent infection or infarction
Subsegmentalcollapse
Any length, persist over time unchanged
Volume loss is key, persists over time
Scarring
Fibrosis
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Causes of fibrosisMid zone lung Lower zone lung Upper zone lung
tuberculosis Drug indused fibrosis(most common)
sarcoidosis
Chronic extrinsic allergic alveolitis
UIP
Radio-therapy Asbestose-related fibrosis
Ankylosing spondylitis
Progressive massive fibrosis
histoplasmosis
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Mediastinum
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MEDIASTINAL ANATOMY
Superior: Upper of T4Inferior: Lower of T4( T4-T8)
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