Deep Lobe Parotid Tumours
The investigation and fine needle aspiration cytology of deep lobe parotid tumours may be difficult due to their position and presentation. Management is surgical and complex. The tumours may be accessed via a conventional facial nerve splitting procedure, via mandibular osteotomy to the parapharyngeal space or both. These tumours are rare and the majority benign pleomorphic adenomas. Malignancies confirmed post operatively will require adjunctive radiotherapy.
Materails and Methods
A review of case records disclosed 8 deep lobe parotid tumours that presented to The Department of MaxilloFacial Surgery over 15 years
Method of Data Analysis
Sample Size 8 Deep lobe tumours
Duration of study 15 years
Statistical Methods N/A
Subjective analysis confirmed 1 maliganany ( Acoinic cell carcinoma) and 7 pleopmorphic adenomas in the series
Results of Investigation
Of the 8 tumours 1 malignant, 7 benign.
Of the 8 tumours 3 accessed via division facial nerve and 5 via mandibular osteotomy
Of the 8 tumours nil evidence facial nerve paresis post operatively
Of the 8 tumours nil recurrence
Conclusions
A thorough knowledge of the anatomy and MRI/CT investigations will determine whether separation of facial nerve divisions and/or mandibular osteotomy is required to effect tumour removal
References
1. Approaches to the diagnosis and treatment of tumors of the parapharyngeal space.[Head Neck Surg. 1982]
2. A review of tumours of the deep lobe of the parotid salivary gland.[Br J Oral Maxillofac Surg. 1986]