Removal of a Giant Parapharyngeal Space Oncocytoma Without Osteotomy

Oncocytoma arising from the parotid gland and extending into the parapharyngeal space (PPS) has not been previously reported. A 64-year-old woman presented with a large slowly growing mass extending from the parotid to the submandibular area, expanding medially to displace the pharynx across the mid...

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Bibliographic Details
Published in:Ear, nose, & throat journal nose, & throat journal, 2024-04, Vol.103 (4), p.NP203-NP206
Main Authors: Matsuki, Takashi, Tsutsumi, Shohei, Miyamoto, Shunsuke, Kano, Koichi, Momiyama, Kaho, Asako, Yukiko, Yamashita, Taku
Format: Article
Language:English
Subjects:
Adenoma, Oxyphilic - pathology
Adenoma, Oxyphilic - surgery
Case reports
Exocrine glands
Female
Humans
Middle Aged
Osteotomy
Otolaryngology
Parapharyngeal Space - pathology
Parotid Gland - pathology
Parotid Gland - surgery
Pharynx - pathology
Throat
Tumors
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Summary:Oncocytoma arising from the parotid gland and extending into the parapharyngeal space (PPS) has not been previously reported. A 64-year-old woman presented with a large slowly growing mass extending from the parotid to the submandibular area, expanding medially to displace the pharynx across the midline. Core-needle biopsy revealed an oncocytoma in the PPS measuring 120 × 88 × 60 mm in size. Although the tumor was of an unprecedentedly large size and extended into multiple spaces, it could be removed via a cervical–parotid approach without osteotomy. The resected tumor was again diagnosed as oncocytoma. A postoperative complication was weakness of the ipsilateral facial nerve, which almost completely resolved in 6 months. No recurrence has been noted on 1 y follow-up. We were able to resect an extremely large oncocytoma arising from the parotid gland without osteotomy.
ISSN:0145-5613
1942-7522
DOI:10.1177/01455613211048973