Background: Patients presenting with a cystic lateral neck lesion may present diagnostic challenges against a backdrop of varied non-malignant and malignant etiologies.
Patients: A total of 133 consecutive cases who underwent cystic neck tumor removal were evaluated for etiology and diagnostic procedure in order to develop an algorithm for therapeutic efficiency.
Results: In 92 of 133 cases, a non-malignant tumor was diagnosed. In 41 cases, malignant lymphadenopathy was found. In cases with malignancy, males (p=0.001) and the elderly (p=0.001) were affected more frequently. Primary tumors were discovered by pan-endoscopy before neck surgery or in a second pan-endoscopy (with tonsillectomy and mapping biopsies) in cases with histologically confirmed squamous cell carcinoma. During intraoperative frozen-section evaluation (40 cases), a total of 30 patients underwent neck dissection during the first neck operation.
Conclusion: In patients older than 40 years who present with cystic neck lesions, we recommend pan-endoscopy and intraoperative frozen section in cases where malignancy is suspected in order to avoid secondary neck dissections and delays in therapy.
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