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Extracapsular dissection with a transparotid facial nerve dissection approach versus partial superficial parotidectomy for benign tumours in the tail of the parotid gland: a single-centre retrospective study of 89 patients |
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| Institution: | 1. Department of Oral and Maxillofacial Surgery, University of São Paulo School of Dentistry, São Paulo-SP, Brazil;2. Private Practice in Oral and Maxillofacial Surgery, São Paulo-SP, Brazil;1. Department of Orthopaedics, Huntsman Cancer Institute, Salt Lake City, Utah, USA;2. University of Utah School of Dentistry, Salt Lake City, Utah, USA;1. Department of Oral and Maxillofacial Surgery, San Antonio Military Health System, San Antonio, TX, USA;2. Department of Surgery, University of Tennessee Medical Center, Knoxville, TN, USA;3. Department of Surgery, Division of Plastic, Maxillofacial, and Oral Surgery, Department of Head and Neck Surgery and Communication Sciences, Duke University Medical Center, Durham, NC, USA;1. Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan;2. Department of Oral and Maxillofacial Radiology, Kyushu University Hospital, Fukuoka, Japan;3. Department of Oral and Maxillofacial Radiology, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama, Japan;4. Laboratory of Oral Pathology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan |
| Abstract: | The aims of this study were (1) to evaluate the transparotid facial nerve dissection approach (TFND), in which the intraparotid cervicofacial or temporofacial division is identified first through a superficial lobe incision; and (2) to compare extracapsular dissection with a TFND (ECD-TFND) with partial superficial parotidectomy with a retrograde approach (PSP) for benign tumours in the tail of the parotid gland with respect to surgical outcomes. Eighty-nine patients underwent PSP or ECD-TFND for benign tumours in the tail of the parotid gland: 49 were treated surgically with PSP and 40 with ECD-TFND. The mean ( ± standard deviation) surgical time did not differ significantly between the groups: 64 ± 22.4 min for PSP and 59 ± 19.8 min for ECD-TFND (P = 0.302). There was a significant difference in sialocele: 18 (36.7%) patients in the PSP group and four (10%) in the ECD-TFND group (P = 0.002). There was also a significant difference in facial nerve injuries: temporary paralysis was observed in 13 (26.5%) patients in the PSP group and two (5%) in the ECD-TFND group (P = 0.007). It appears that TFND is a viable and safe approach when performing ECD for benign tumours in the tail of the parotid gland. ECD-TFND should be preferred over PSP for benign tumours in the tail of the parotid gland. |
| Keywords: | Parotid gland Parotid neoplasms Facial nerve Facial nerve injuries Facial palsy |
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