ct scan of chest 2013
TRANSCRIPT
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Lydia Kuntjoro
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ANATOMY
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SIGN AND PATTERN OF LUNG
DISEASE
HUMPTON HUMP
EMBOLUS
PULMONARY EMBOLI
AIR BRONCHOGRAM
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SIGN AND PATTERN OF LUNG
DISEASE
AIR BRONCHOGRAM
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INTERSTITIAL LUNG DISEASE
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LINIER NODULER
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histoplasmosis and
reticulonodular
Reticuler ,honeycomb/
bronchiectasis
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ALVEOLAR LUNG DISEASE
focal airspace opacity
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MEDIASTINAL MASS
lymphoma
thymoma
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MEDIASTINAL MASS.
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PULMONARY NODUL
Primary adenocarcinoma
Benign lymph node
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PULMONARY NODUL.
Cervical carcinoma
metastases
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Pulmonary laceration
pneumothorax (P)
Descending aortic laceration
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RIB FRACTURE
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PLEURA,CHEST WALL,
DIAPHRAGMA
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PLEURA
Subpleural squamous cell bronchogenic carcinoma
mass is contiguous with the pleural surface
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PLEURA.
Pleural & pericardiac effusion empyema
mesotheliomaPleural calcification due to old TB empyema
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CHEST WALL
consists of skin, subcutaneous tissues,
muscles, clavicles, scapulae, ribs,
sternum, and spine
Sternal metastasis Osteochondroma
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ATELECTASIS
Right upper lobe segmental atelectasis
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LUNG TUMOR
TNM STAGGING FOR BRONCHOGENIC CA
Liver
Adrenal
BoneBrain
COMMON EXTRATHORACIC SITESFOR METASTASES
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TYPE OF BRONCHOGENIC CA
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A: PA chest radiograph of a 48-year-old man shows an irregular massin the right upper lobe abutting the mediastinum.
B: CT shows the mass extending into the mediastinum.
The center of the mass is of low attenuation, secondary to tumor necrosis.
C: CT at a more inferior level shows tumor along the posterior wall
of the right upper lobe bronchus.
D: CT with lung windowing shows the spiculated massand a background of paraseptal and centrilobular emphysema.
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TNM STAGGING FOR
BRONCHOGENIC CA
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TNM STAGGING FOR
BRONCHOGENIC CA
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High Resolution CT (HRCT)
very thin (1-2 mm) axial sections of the
chest.
The sections are spaced 10-15 mm (
20-25 percent of the lung is sampled)
The images are viewed on suitable lung
windows (Level -500 to -750, width
1000 to 1500). volume imaging allowing contiguous
slices
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High Resolution CT (HRCT)
Indication : diffuse lung disease ,
investigate resoiratory symptom when
the chest x-rays are normal
Exp : idiopatic interstitial pneumonia,emphysema, idiopathic pulmonary
fibrosis, lymphangitis carcinomatosis,
sarcoidosis, Langerhans cellhistiocytosis, lymphangiomyomatosis,
sub-acute hypersensitivity pneumonitis
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High Resolution CT (HRCT)
HRCT is not suitable for focal diseases
such as lung cancer.
sensitivity of HRCT to detect interstitial
lung disease is approximately 94%
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HIGH RESOLUTION CT (HRCT)
FOR DIFFUSE LUNG DISEASE
MOST IMPORTANT :
BREATH HOLD
POOR GOOD
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FULL INSPIRATION
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EXPIRATION IMAGES ( SOME CASES)
EMPHYESEMA
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1mm OR SMALLER SLICE THICKNESS
Centrilobular emphysema Cystic lung disease
In lymphangioleiomyomatosis
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lymphangitic carcinomatosis
metastasis
patchy ground-glass opacity
In interstitial pneumonitis
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