Difference between revisions of "CT of the thorax"
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The presence of a dilated main pulmonary artery of 29 mm or more in combination with an artery–to-bronchus diameter ratio of 1:1 or more at segmental level in three or four lobes, confers a specificity of 100% for the presence of pulmonary hypertension.<ref name="PeñaDennie2012">{{cite journal|last1=Peña|first1=Elena|last2=Dennie|first2=Carole|last3=Veinot|first3=John|last4=Muñiz|first4=Susana Hernández|title=Pulmonary Hypertension: How the Radiologist Can Help|journal=RadioGraphics|volume=32|issue=1|year=2012|pages=9–32|issn=0271-5333|doi=10.1148/rg.321105232}}</ref> | The presence of a dilated main pulmonary artery of 29 mm or more in combination with an artery–to-bronchus diameter ratio of 1:1 or more at segmental level in three or four lobes, confers a specificity of 100% for the presence of pulmonary hypertension.<ref name="PeñaDennie2012">{{cite journal|last1=Peña|first1=Elena|last2=Dennie|first2=Carole|last3=Veinot|first3=John|last4=Muñiz|first4=Susana Hernández|title=Pulmonary Hypertension: How the Radiologist Can Help|journal=RadioGraphics|volume=32|issue=1|year=2012|pages=9–32|issn=0271-5333|doi=10.1148/rg.321105232}}</ref> | ||
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Revision as of 11:42, 26 September 2018
Author:
Mikael Häggström [notes 1]
Contents
Normal anatomy
Angiography
CT angiography of the thorax is a contrast CT exam, tailored to the proper contrast phase depending on the level of the suspected condition by the referring clinician:
- Veins from contrast infusion
- Pulmonary veins
Diseases
Lymphadenopathy
| Mediastinum, generally | 10 mm[1][2] |
| Superior mediastinum and high paratracheal | 7mm[3] |
| Low paratracheal and subcarinal | 11 mm[3] |
Pulmonary hypertension
The presence of a dilated main pulmonary artery of 29 mm or more in combination with an artery–to-bronchus diameter ratio of 1:1 or more at segmental level in three or four lobes, confers a specificity of 100% for the presence of pulmonary hypertension.[4]
Notes
- ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Radlines:Authorship for details.
References
- ↑ "Current concepts in lymph node imaging ". Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine 45 (9): 1509–18. September 2004. PMID 15347718.
- ↑ Page 432 in: Luca Saba (2016). Image Principles, Neck, and the Brain . CRC Press. ISBN 9781482216202.
- ↑ 3.0 3.1 Sharma, Amita; Fidias, Panos; Hayman, L. Anne; Loomis, Susanne L.; Taber, Katherine H.; Aquino, Suzanne L. (2004). "Patterns of Lymphadenopathy in Thoracic Malignancies ". RadioGraphics 24 (2): 419–434. doi:. ISSN 0271-5333.
- ↑ Peña, Elena; Dennie, Carole; Veinot, John; Muñiz, Susana Hernández (2012). "Pulmonary Hypertension: How the Radiologist Can Help ". RadioGraphics 32 (1): 9–32. doi:. ISSN 0271-5333.
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