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  • Title: Unexpected Detection of Parotid Gland Malignancy during Primary Extracapsular Dissection.
    Author: Mantsopoulos K, Velegrakis S, Iro H.
    Journal: Otolaryngol Head Neck Surg; 2015 Jun; 152(6):1042-7. PubMed ID: 25820585.
    Abstract:
    OBJECTIVE: To evaluate the oncologic and functional outcome in cases in which a false preoperative working hypothesis "benign parotid tumor" led to a primary extracapsular dissection being performed rather than a traditional, more radical surgical modality. STUDY DESIGN: Case series with chart review. SETTING: Academic tertiary referral center. SUBJECTS AND METHODS: The records of all patients treated for malignant tumors of the parotid gland between 2006 and 2012 were retrospectively studied. Patients were excluded from our study sample for insufficient data or if their histories indicated manifestation of malignant tumors without primary parotid origin (squamous cell carcinomas, lymphomas, melanomas), revision surgery, as well as concomitant or past malignant tumors. Consequently, a total of 29 patients with 30 primary malignant tumors of the parotid gland formed our study sample (14 men, 15 women; male:female ratio, 0.93:1; mean age, 55.4 years; range, 14-85 years). RESULTS: Of 30 cases, 22 had low-grade tumors. Further tumor cells were detected in only the histology specimens of the parotid in 3 of the 25 cases treated subsequently with completion parotidectomy. Five patients received adjuvant radiation. Five-year disease-specific survival was 100%; local disease control was 96.6%. Of 30 cases, 28 had House-Brackmann I after tumor treatment; the other 2 cases had a slight paralysis (House-Brackmann II). CONCLUSION: Beginning with the "false" working hypothesis and performing an extracapsular dissection in unsuspected cases seems to have no adverse impact on patients' survival and postoperative quality of life in cases in which definitive histology reveals malignancy.
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