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
- Benign clinical diagnosis.
- May be biopsied to exclude malignancy.
- Type of lung collapse[3] often associated with asbestos exposure.
Clinical (radiologic findings):[3]
- Pleural thickening.
- Mass lesion with "comet tail" (curvilinear opacification of bronchi and vessels).
Microscopic
Features:
- Pleural fibrosis.
- No features of malignancy.
Note:
- Findings on core biopsy are non-specific.
DDx:
- Pleural plaque.
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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
- ↑ 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.
- ↑ 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.
- ↑ 3.0 3.1 Batra, P.; Brown, K.; Hayashi, K.; Mori, M. (1996). "Rounded atelectasis.". J Thorac Imaging 11 (3): 187-97. PMID 8784732.