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Lung cancer with post-fracture healing changes causing difficulty in staging.
Yutaka Takahara1, Ikuyo Shionoya1, Akihiro Shioya1
1Department of Respiratory Medicine, Japan.
Respiratory Medicine Case Reports
|July 8, 2022
Summary
Accurate staging in lung cancer with bone lesions is crucial. Aggressive tissue biopsy is recommended when imaging is inconclusive, especially with a history of trauma, to differentiate metastatic disease from other conditions.
Area of Science:
- Oncology
- Radiology
- Pathology
Background:
- Metastatic disease diagnosis in lung cancer can be challenging using imaging alone.
- Accurate staging is essential for determining the appropriate therapeutic strategy, particularly for potentially curative treatments.
Observation:
- A 77-year-old woman with a cough presented with imaging findings suggestive of lung adenocarcinoma with metastatic disease, including a lung tumor with fluorodeoxyglucose (FDG) uptake, lymphadenopathies, and a sclerotic rib lesion.
- The sclerotic rib lesion showed FDG accumulation, complicating the differentiation between metastatic cancer and traumatic changes.
Findings:
- A costal biopsy revealed the bone lesions to be consistent with post-fracture healing, not metastatic lung adenocarcinoma.
- This finding altered the patient's therapeutic strategy from palliative to curative.
Implications:
- In patients with lung cancer, a history of trauma, and suspicious bone lesions with FDG uptake, aggressive tissue biopsy is recommended for definitive diagnosis and accurate staging.
- This approach can prevent misdiagnosis and ensure appropriate, potentially curative, treatment is pursued.
