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Pulmonary hamartoma resembling multiple metastases: A case report
Zhenya Lu1, Fangfang Qian2, Shanwen Chen3
1Department of Internal Medicine, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, P.R. China.
Oncology Letters
|June 17, 2014
Summary
This case study details a patient with multiple pulmonary nodules, initially suspected to be metastatic renal carcinoma. Biopsy and surgical resection revealed an unexpected and rare pathological finding.
Area of Science:
- Oncology
- Pulmonology
- Radiology
Background:
- Computed tomography (CT) revealed multiple pulmonary nodules.
- Positron emission tomography (PET) showed marginal fluorodeoxyglucose (FDG) uptake.
- The patient had a history of radical nephrectomy for renal carcinoma.
Purpose of the Study:
- To present a case of suspected pulmonary metastasis from renal carcinoma.
- To document the diagnostic and therapeutic process.
- To highlight an unforeseen pathological finding.
Main Methods:
- Computed tomography (CT) and positron emission tomography (PET) imaging.
- Biopsy for histopathological confirmation.
- Video-assisted thoracoscopic surgical (VATS) resection.
Main Results:
- Diagnosis of pulmonary metastasis of renal carcinoma was confirmed by biopsy.
- Surgical resection via VATS was performed.
- Pathological examination revealed an unexpected and rare observation.
Conclusions:
- Multiple pulmonary nodules in a patient with a history of renal carcinoma warrant investigation for metastasis.
- Histopathological examination is crucial for definitive diagnosis.
- This case highlights the importance of considering rare pathological findings even in suspected metastatic disease.

