Bat wing appearance

Bat wing appearance is a radiologic sign referring to bilateral perihilar lung shadowing seen in frontal chest X-ray and in chest CT.[1][2] The most common reason for bat wing appearance is the accumulation of oedema fluid in the lungs.[3] The batwing sign is symmetrical, usually showing ground glass appearance and spares the lung cortices.[4] This sign is seen in individuals with pneumonia, inhalation injuries, pulmonary haemorrhage, sarcoidosis, bronchoalveolar carcinoma and pulmonary alveolar proteinosis.[4]

References

  1. ↑ Jain, Sanjay N; Modi, Tanvi; Aswani, Yashant; Varma, Ravi U (2019). "Chest radiography in adult critical care unit: A pictorial review". The Indian Journal of Radiology & Imaging. 29 (4): 418–425. doi:10.4103/ijri.IJRI_329_19. ISSN 0971-3026. PMC 6958895. PMID 31949345.
  2. ↑ "Bat Wing Pulmonary Opacities (Concept Id: C3273929) - MedGen - NCBI". Retrieved 17 October 2021. {{cite journal}}: Cite journal requires |journal= (help)
  3. ↑ Khan, Ali Nawaz; Al-Jahdali, Hamdan; AL-Ghanem, Sarah; Gouda, Alaa (2009). "Reading chest radiographs in the critically ill (Part II): Radiography of lung pathologies common in the ICU patient". Annals of Thoracic Medicine. 4 (3): 149–157. doi:10.4103/1817-1737.53349. ISSN 1817-1737. PMC 2714572. PMID 19641649.
  4. 1 2 Yudin, Andrey (2014). "Bat Wing, Butterfly, or Angel Wing Sign". Metaphorical Signs in Computed Tomography of Chest and Abdomen. Springer International Publishing: 11. doi:10.1007/978-3-319-04013-4_6. ISBN 978-3-319-04012-7. Retrieved 17 October 2021.


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