Abstract
Background and purpose
Parapharyngeal space (PPS) neoplasms represent 1% of all head and neck tumors and are mostly benign. Surgery is the mainstay of treatment and the transcervical–transparotid (TC–TP) corridor still represents the workhorse for adequate PPS exposure. Our series investigates strengths and limits of this approach on a multi-institutional basis.
Methods
We reviewed consecutive patients submitted to PPS surgery via TC–TP route between 2010 and 2020. Hospital stay, early and long-term complications, and disease status were assessed.
Results
One hundred and twenty nine patients were enrolled. Most tumors were benign (79.8%) and involved the prestyloid space (83.7%); the median largest diameter was 4.0 cm. The TC–TP corridor was used in 70.5% of patients, while a pure TC route in about a quarter of cases. Early postoperative VII CN palsy was evident in 32.3% of patients, while X CN deficit in 9.4%. The long-term morbidity rate was 34.1%, with persistent CN impairment detectable in 26.4% of patients: carotid space location, lesion diameter and malignant histology were the main independent predictors of morbidity. A recurrence occurred in 12 patients (9.4%).
Conclusions
The TC–TP corridor represents the benchmark for surgical management of most of PPS neoplasms, though substantial morbidity can still be expected.
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Data availability
Data available on request due to privacy/ethical restrictions.
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by AG, ES, CB and MF. The first draft of the manuscript was written by AG and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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All performed procedures and data management were in accordance with the ethical standards and the principles stated in the 1964 Declaration of Helsinki and its later amendments. The present protocol was evaluated and approved by Institutional Review Board (CER Emilia Romagna, protocol number: 0026904/21).
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Galli, A., Giordano, L., Mattioli, F. et al. The transcervical–transparotid corridor for management of parapharyngeal space neoplasms: strengths and limits in a bi-institutional retrospective series. Eur Arch Otorhinolaryngol 281, 897–906 (2024). https://doi.org/10.1007/s00405-023-08256-7
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DOI: https://doi.org/10.1007/s00405-023-08256-7