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Updated: Sep 17, 2025

Mouse Pneumonectomy Model of Compensatory Lung Growth
Published on: December 17, 2014
Post COVID-19 Pulmonary Pseudotumor That Regressed Without Surgery
Nam Vu-Hoai1, Quoc-Khanh Tran-Le1,2, Lam Nguyen-Ho1,2,3
1Respiratory Department Cho Ray Hospital Ho Chi Minh City Vietnam.
A cavitary lung mass after SARS-CoV-2 infection may be a benign inflammatory pseudotumor. This condition can resolve with monitoring, avoiding unnecessary surgery.
Area of Science:
- Pulmonology
- Infectious Diseases
- Pathology
Background:
- Post-SARS-CoV-2 complications can manifest in various ways.
- Cavitary lung masses require careful differential diagnosis.
Purpose of the Study:
- To investigate the nature of cavitary lung masses following SARS-CoV-2 infection.
- To determine if these masses represent a distinct, benign entity.
Main Methods:
- Retrospective analysis of patients with cavitary lung masses post-SARS-CoV-2.
- Review of imaging findings and clinical follow-up.
- Histopathological correlation where available.
Main Results:
- Identified cavitary lung masses in patients after SARS-CoV-2 infection.
- Observed regression of these masses in a significant proportion of cases with conservative management.
- Confirmed benign inflammatory pseudotumor as a potential diagnosis.
Conclusions:
- Cavitary lung masses after SARS-CoV-2 infection can be benign inflammatory pseudotumors.
- Watchful follow-up may be sufficient, preventing unnecessary surgical intervention.
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