Abstract
Background: Clear surgical margins are of utmost importance in surgical oncological procedures. Secondary consideration includes the functional and aesthetic outcomes of the patients after the procedure. The recognised surgical approach to the posteriorly located oral cavity and oropharyngeal tumors involves the splitting of the lower lip with or without mandibulectomy. In order to perk up postoperative function and aesthetics, quite a lot of modifications of the unique midline lower lip-splitting incision have been projected by various authors till date. A stepped ladder lower lip split incision (LLSI) helps in improved functional and aesthetic outcomes.
 Objectives: The prime accent of the study is to compare the McGregor LLSI and the stepped LLSI with respect to functional and aesthetic outcomes in tumors ablation for SCCOC.
 Methodology: The study population (n=22) is assigned randomly in two equal groups as a subject in the ratio of 1:1. Systemically healthy histologically diagnosed patients of SCCOC requiring LLSI for the tumours ablation will be included. In Group A- McGregor LLSI will be performed and in Group B- a Stepped LLSI would performed. Post-operative assessment of functional and aesthetic outcomes will be done.
 Expected Results: A stepped ladder LLSI used for tumours ablation will be effective in preserving post-operative lip movement, lip competency and cosmesis.
 Conclusion: Utility of a Stepped ladder LLSI for accessibility and ablation of posterior oral and oropharyngealtumors would be undoubtfully beneficial for improving post-operative functional and aesthetic outcomes and could be executed in routine oncologic surgery.
Highlights
The basic tenet of any oncologic surgery is extirpation of tumors with the safe surgical margins while, maintaining the function and cosmesis after the ablative surgical procedure
Setting: “The 22 histopathologically proven cases of SCCOC, reporting to department of Oral and Maxillofacial Surgery, Sharad Pawar Dental College and Hospital, and Acharya Vinoba Bhave Rural Hospital, Sawangi (M) Wardha (Maharashtra), who would undergo surgical resection of the primary tumour under general anesthesia between September 2020 to May 2021 were screened for the recruitment
This study will be performed in accordance with the Helsinki declaration and its later amendments or comparable ethical standards and approval by institutional ethical guidelines prescribed by central ethics committee on human research (CECHR) of Datta Meghe Institute of Medical Sciences, Deemed to be University
Summary
The basic tenet of any oncologic surgery is extirpation of tumors with the safe surgical margins while, maintaining the function and cosmesis after the ablative surgical procedure. The lower lip-split incision (LLSI) has been far rampantly implemented in head and neck (H&F) surgical oncology to offer enhanced access to intra-oral, pharyngeal and parapharyngeal tumours and to the cervical part of spinal column. In mid-19th century Dieffenbach, Roux, Bernard, Trotter, Burow introduced midline straight incision. The recognised surgical approach to the posteriorly located oral cavity and oropharyngeal tumors involves the splitting of the lower lip with or without mandibulectomy. In order to perk up postoperative function and aesthetics, quite a lot of modifications of the unique midline lower lip-splitting incision have been projected by various authors till date. A stepped ladder lower lip split incision (LLSI) helps in improved functional and aesthetic outcomes. Objectives: The prime accent of the study is to compare the McGregor LLSI and the stepped LLSI with respect to functional and aesthetic outcomes in tumors ablation for SCCOC.
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