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Malignant carotid body tumor: a case report
A Dias Da Silva1, S O'Donnell, D Gillespie
1Vascular Surgery Service, Hospital Geral de Santo António and D. Pedro V Military Hospital, Porto, Portugal. diasdasilva@netc.pt
Journal of Vascular Surgery
|September 30, 2000
Summary
Malignant carotid body tumors (CBTs) present unpredictable behavior. Aggressive initial treatment, including lymph node sampling and complete resection, is crucial due to their malignant potential.
Area of Science:
- Oncology
- Vascular Surgery
- Head and Neck Surgery
Background:
- Carotid body tumors (CBTs) exhibit unpredictable clinical behavior, with malignancy indicated by metastasis in approximately 10% of cases.
- Optimal treatment strategies for malignant CBTs remain undefined, highlighting the need for further clinical data.
Observation:
- A case of a Shamblin I CBT with lymph node involvement and positive margins is presented.
- The patient underwent successful initial resection with jugular lymph node sampling, followed by carotid resection and neck dissection.
Findings:
- Pathologic examination revealed lymph node involvement and tumor cells at the resection margins.
- The patient experienced an uneventful recovery and remained disease-free at 4-year follow-up.
Implications:
- This case underscores the unpredictable nature of CBTs and their potential for malignancy.
- Aggressive initial surgical management, including comprehensive lymph node assessment and complete tumor resection, is recommended for malignant CBTs.