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CHEST DISORDERS (PULMONARY DISORDERS (INTERSTITIAL DX p1751 (PATTERNS…
CHEST DISORDERS
SEARCH PATTERNS
ATMLL abdomen, thorax, mediastinum, lung lesion
PULMONARY DISORDERS
AIRSPACE DX
APPEARANCE consolidation, patchy opacities, poorly marginated, lobar / segmental distribution, air bronchogram
CONTENTS
BLOOD haemorrhage, haematoma
WATER pulmonary oedema
CAUSES chemical inhalation, CHF, altitude, renal dx
PUS infection in alveolar parenchyma from pneumonia, TB (mycobacterium tuberculosis)
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CELLS
PULMONARY MASS malignant, lobulated border, cannon-ball metastasis, tumour mass, nodule, opacity > 3cm diameter
INTERSTITIAL DX p1751
PATTERNS reticular, nodular, reticulonodular, linear (Kerley's line)
INDUSTRIAL EXPOSURE asbestos, silicon, gypsum, coal
DDX Lymphatic, Inflammatory, Fibrosis, oEdema
Hazy lung fields, honeycomb, non-lobar distribution, shaggy heart, pleural thickening
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CALCIFICATIONS MC Granuloma = well defined calcified lesion, slow growing infection like TB MC
MEDIASTINAL DISORDERS
ANATOMY anterior: thymus, thyroid, teratoma
DISORDERS heart, vessels, hila, oesophageal, Ts, nueral tumours, abdominal contents herniation
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CARDIAC DISORDERS
RADIOGRAPHIC enlarged heart shadow, pleural effusion, pulmonary oedema
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CHEST WALL DISORDERS
MC causes: metastasis, osteosarcoma of rib, trauma
LUCENCIES
PNEUMOTHORAX p1790 air in pleural space, crescent shaped radiolucent shadow between lung and chest wall
COPD narrowed airways, lung over-inflation, increase chest diameter
EMPHYSEMA destruction of acinar walls lead to air trapping, bleb, bulla
ASTHMA hyperinflation of lungs, barrel chest, flatten diaphragm, hyperlucent (black)