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Bat wing appearance

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Radiologic sign

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

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.
  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. ^ Yudin, Andrey (2014). "Bat Wing, Butterfly, or Angel Wing Sign". Metaphorical Signs in Computed Tomography of Chest and Abdomen. Springer International Publishing. p. 11. doi:10.1007/978-3-319-04013-4_6. ISBN 978-3-319-04012-7. Retrieved 17 October 2021.


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