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Thoracic imaging terms (I)
Thoracic imaging terms (I)
Thoracic imaging terms (I)
Thoracic imaging terms (I)
Thoracic imaging terms (I)
Thoracic imaging terms (I)
Thoracic imaging terms (I)
Thoracic imaging terms (I)
Thoracic imaging terms (I)
Thoracic imaging terms (I)
Thoracic imaging terms (I)
Thoracic imaging terms (I)
Thoracic imaging terms (I)
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Thoracic imaging terms (I)

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clarifying the most used radiological terms in chest imaging,its meaning,differential diagnosis,and pathological correlation

clarifying the most used radiological terms in chest imaging,its meaning,differential diagnosis,and pathological correlation

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  • 1. Terms for ThoracicImaging ..Unifying the language. Part I Dr/Ahmed Bahnassy Consultant Radiologist –RMH. MBCHB-MD-FRCR.
  • 2. Members of the Fleischner Societycompiled a glossary of terms for thoracicimaging that replaces previous glossariespublished in 1984 and 1996 for thoracicradiography and computed tomography(CT), respectively.
  • 3. bronchiectasisBronchiectasis is irreversiblelocalized or diffuse bronchial dilatation,usually resulting from chronic infection,proximal airway obstruction, orcongenital bronchial abnormality
  • 4. signet ring signThis finding iscomposed of a ring-shaped opacityrepresenting a dilatedbronchus in crosssection and a smalleradjacent opacityrepresenting itspulmonary artery, withthe combinationresembling a signet (orpearl) ring
  • 5. bronchoceleA bronchocele is bronchialdilatation due to retained secretions(mucoid impaction) usually caused byproximal obstruction, either congenital(eg, bronchial atresia) or acquired (eg,obstructing cancer)
  • 6. bronchocentricThis descriptor is applied todisease that is conspicuously centered on macroscopic bronchovascular bundlesExamples of diseases witha bronchocentric distribution include :sarcoidosis , Kaposi sarcoma ,and organizing pneumonia .
  • 7. bullaAirspace measuringmore than 1 cm—usually several centimeters—in diameter, sharply demarcated by a thin wall that is no greaterthan 1 mm in thickness. A bulla is usually accompanied by emphysematous changes in the adjacent lung.
  • 8. cavityA cavity is a gas-filled space, seen as a lucency or low-attenuation area, within pulmonary consolidation, a mass, or a nodule
  • 9. centrilobular emphysemaCentrilobularemphysema is characterized by:destroyedcentrilobularalveolar walls andenlargementof respiratorybronchioles andassociated alveoli
  • 10. cystA cyst is any round circumscribed space that is surrounded by an epithelial or fibrous wall of variable thickness
  • 11. mycetomaA mycetoma is a discretemass of intertwined hyphae, usually ofan Aspergillus species, matted togetherby mucus, fibrin, and cellular debris colonizing a cavity, usually from prior fibrocavitary disease (eg, tuberculosis or sarcoidosis)
  • 12. tree-in-bud patternThe tree-in-bud pattern represents centrilobular branching structures that resemble a budding tree. The pattern reflects a spectrum of endo- and peribronchiolar disorders, including mucoid impaction, inflammation, and/or fibrosis

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