Imaging features of lung cancer with cystic airspaces: clinical utility, challenges, and perspectives
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By
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Mengyue Hu
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Jinbao Feng
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Xiaonan Shao
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Yunmei Shi
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Jianxiong Gao
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Yaoting Zhu
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Yuhao Fan
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Yan Sun
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Zhenxing Jiang
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Rong Niu
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Qianyun Wang
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May 26, 2026
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Clinical Scorecard: Imaging Characteristics of Lung Cancer Exhibiting Cystic Airspaces: Clinical Implications, Challenges, and Future Directions
At a Glance
| Category | Detail |
|---|
| Condition | |
| Key Mechanisms | |
| Target Population | Individuals with lung cancer, particularly males, with LCCA accounting for 1-4% of cases. |
| Care Setting | |
Key Highlights
- LCCA accounts for approximately one-quarter of lung cancer cases that are missed or diagnosed late.
- Imaging features of LCCA often overlap with benign conditions, complicating diagnosis.
- Current guidelines lack standardized protocols for managing LCCA.
- Noninvasive imaging is the primary method for preoperative evaluation of LCCA.
- Emerging techniques such as radiomics and habitat imaging are being explored for lesion characterization.
Guideline-Based Recommendations
Diagnosis
- Utilize high-resolution computed tomography (HRCT) for early detection.
- Consider the Lung CT Screening Reporting and Data System (Lung-RADS) for management recommendations.
Management
- Noninvasive imaging remains the primary method for evaluation due to high false-negative rates in invasive procedures.
Monitoring & Follow-up
- Regular imaging assessments to monitor for progression or changes in lesion characteristics.
Risks
- Invasive procedures such as percutaneous lung biopsy carry a high risk of pneumothorax.
Patient & Prescribing Data
Patients diagnosed with LCCA, predominantly adenocarcinoma.
Limited due to the rarity of LCCA and lack of standardized treatment protocols.
Clinical Best Practices
- Enhance radiologists' ability to identify small-sized LCCA on HRCT.
- Incorporate emerging imaging techniques for improved diagnostic accuracy.
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