Rounded atelectasis

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Rounded atelectasis, abbreviated RA, is a benign pathology of the lung that may be mistaken for lung cancer.[1][2]

General

Microscopic

Features:

  • Pleural fibrosis.
  • No features of malignancy.

DDx:

  • Pleural plaque.

Sign out

Lung Lesion, Right Lower Lobe, Core Biopsy:
- Benign fibrous tissue and skeletal muscle.
- NEGATIVE for lung parenchyma. 
- NEGATIVE for evidence of malignancy.

Comment:
Clinical correlation is suggested.

See also

References

  1. Sobocińska, M.; Sobociński, B.; Jarzemska, A.; Serafin, Z. (2014). "Rounded atelectasis of the lung: A pictorial review.". Pol J Radiol 79: 203-9. doi:10.12659/PJR.889983. PMID 25045412.
  2. Cherian, SV.; Thampy, E. (Feb 2014). "A solitary lung mass in a 46-year-old man. Rounded atelectasis.". Neth J Med 72 (2): 97, 101. PMID 24659596.
  3. Batra, P.; Brown, K.; Hayashi, K.; Mori, M. (1996). "Rounded atelectasis.". J Thorac Imaging 11 (3): 187-97. PMID 8784732.