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Ann R Coll Surg Engl. 1995 May;77(3):188-92.

An audit of surgery of the parotid gland.

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1
Department of Surgery, Belfast City Hospital.

Abstract

The management of patients undergoing 50 surgical procedures to the parotid gland was reviewed. The overall accuracy of fine needle aspiration cytology was 87%, false-positive and false-negative rates for malignant disease both being 4%. The sensitivity, specificity and accuracy of fine needle cytology for malignant parotid tumours was 66%, 95%, and 91%, respectively, that of benign tumours (pleomorphic adenoma or Warthin's tumour) being 88%, 83% and 87%, respectively. Sensitivity, specificity and accuracy for the remaining (principally inflammatory) parotid diseases was 100%, 95% and 96%, respectively. The predictive value of a positive test for malignant tumours, benign tumours and inflammatory conditions was 66%, 94% and 75%, respectively. The negative predictive value for these conditions was 95%, 71% and 100%, respectively. Facial nerve weakness after parotidectomy occurred in three patients (8.8%), being permanent in two cases (both malignant). Although Frey's syndrome was not recorded in any of the notes, careful follow-up revealed two cases (6%). To date there have been no local recurrences after excision of either benign or primary malignant parotid masses. One patient with squamous cell carcinoma metastatic to the parotid gland died, despite block dissection of the neck and radiotherapy. This small series with a limited follow-up suggests that diseases of the parotid gland can be managed by general surgeons with an interest in this field. Although fine needle aspiration and ultrasonic scan may be helpful, the decision to operate should be made on clinical grounds.

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PMID:
7598416
PMCID:
PMC2502101
[Indexed for MEDLINE]
Free PMC Article

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