Multinodular Goiter as a Sign of Renal Cell Carcinoma with VHL Mutation
Author Information
Author(s): Bugalho Maria João, Mendonça Evelina, Costa Patrícia, Rosa Santos Jorge, Silva Eduardo, Catarino Ana Luísa, Sobrinho Luís G
Primary Institution: Instituto Português de Oncologia Francisco Gentil, Lisboa, Portugal
Hypothesis
Can DNA-based technologies help identify the origin of a clear-cell tumor in the thyroid gland?
Conclusion
Screening for VHL gene mutations in thyroid aspirates can aid in diagnosing metastatic renal cell carcinoma.
Supporting Evidence
- VHL mutations are common in sporadic renal cell carcinomas.
- Clear-cell tumors can metastasize to the thyroid gland.
- Fine-needle aspiration cytology can help diagnose thyroid tumors.
Takeaway
A man with a neck tumor was found to have kidney cancer that spread to his thyroid, and testing for a specific gene mutation helped confirm this.
Methodology
Fine-needle aspiration cytology was used to diagnose the tumor, and VHL gene mutations were analyzed from RNA obtained from the aspirated cells.
Limitations
The study is based on a single case, limiting generalizability.
Participant Demographics
54-year-old Caucasian male.
Digital Object Identifier (DOI)
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