Items tagged “hrct”
23 results found
Article
Crazy paving
Crazy paving refers to the appearance of ground-glass opacities with superimposed interlobular septal thickening and intralobular septal thickening, seen on chest HRCT or standard CT chest. It is a non-specific finding that can be seen in a number of conditions.
Pathology
Aetiology
Common ca...
Case
Bronchiectasis
Published
07 May 2008
62% complete
CT
Article
Cryptogenic organising pneumonia
Cryptogenic organising pneumonia (COP) is a disease of unknown aetiology characterised on imaging by multifocal ground glass opacifications and/or consolidation. A wide variety of infectious as well as noninfectious causes may result in a similar histologic pattern.
Terminology
Organising pneu...
Article
Intralobular septa
The intralobular septa (sing: septum) are delicate strands of connective tissue separating adjacent pulmonary acini and primary pulmonary lobules. They are continuous with the interlobular septa which surround and define the secondary pulmonary lobules.
See also
HRCT terminology
Article
Pulmonary acinus
The pulmonary acinus is an anatomical unit of lung supplied by a first order respiratory bronchiole, 4-8 mm in diameter. Each secondary pulmonary lobule usually contains 3-25 acini, and adjacent acini are separated by incomplete intralobular septa.
Clinical importance
The component respiratory...
Article
Centrilobular region
The centrilobular region, in context of the lungs and HRCT, refers to the central portion of the secondary pulmonary lobule, around the central pulmonary artery and bronchiole.
See also
HRCT terminology
Article
Pulmonary parenchymal bands
Parenchymal bands are a HRCT finding. They can be commonly encountered among patients with asbestosis.
They are typically over 2 cm in length (up to 5 cm), 1-3 mm thick and run through the lung parenchyma and usually extend from a visceral pleural surface 6. They are formed in a number of ways ...
Article
Mosaic attenuation pattern in lung
Mosaic attenuation is a descriptive term used in describing a patchwork of regions of differing pulmonary attenuation on CT imaging. It is a non-specific finding, although is associated with the following:
obstructive small airways disease: low attenuation regions are abnormal and reflect ...
Case
Pneumocystis pneumonia
Published
15 Oct 2010
68% complete
CT
Article
Atoll sign (lungs)
The atoll sign or reversed halo sign refers to focal ground-glass opacity with a peripheral ring of consolidation which may be complete or incomplete. The sign was originally described in organising pneumonia but can also occur in infections, infarction, granulomatous disease, inflammation and t...
Case
Severe bullous emphysema
Published
11 May 2011
86% complete
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Case
Cholesteatoma
Published
18 Nov 2011
36% complete
CT
Case
Bilateral tympanoplasty
Published
02 Mar 2012
59% complete
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Case
Pulmonary manifestations of scleroderma
Published
23 Nov 2012
83% complete
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Case
Non-specific interstitial pneumonia
Published
08 Feb 2013
71% complete
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Case
Pulmonary fibrosis - usual interstitial pneumonia
Published
16 Mar 2015
71% complete
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Case
Usual interstitial pneumonia pattern: idiopathic pulmonary fibrosis
Published
14 Jul 2016
100% complete
X-ray
CT
Case
Sarcoidosis
Published
25 Feb 2016
92% complete
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X-ray
Case
Eosinophilic pneumonia: probable
Published
21 Aug 2016
68% complete
CT
Case
Idiopathic pulmonary fibrosis
Published
13 Dec 2017
95% complete
CT