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Role of Imaging in Predicting the Deep Surgical Margin in Gingivobuccal Complex Cancers: A Pilot Study

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Abstract

Cancers arising from the gingivobuccal complex are one of the most common types of cancer in the oral cavity and are associated with poor prognosis. Among the various prognostic factors, positive surgical margin is the most important one that can be controlled by the operating surgeon. The deep surgical margins for buccal mucosa cancers is normally assessed by palpating the skin for induration and skin pinchability. The present study evaluates the role of imaging in assessing the deep surgical margin and its efficacy for skin preservation in buccal mucosa/ gingivobuccal carcinomas. The patients of gingivobuccal complex squamous cell carcinomas after histopathological confirmation were selected for the study. In imaging, the distance between the base of the tumour and skin (epidermis) of the cheek was measured by a senior radiologist preoperatively. The frozen section findings were confirmed by histopathological examination and the depth of invasion of the tumour was measured and the clearance of the deep surgical margin was confirmed. The correlation between imaging, skin pinch test and histopathological examination of the specimen was assessed. The sensitivity and specificity of imaging to predict the skin preservation (deep surgical margin more than 5 mm) is 100% and 75% respectively compared to sensitivity and specificity of skin pinch test of 82.6% and 50% respectively. Imaging is an effective tool in predicting the skin preservation and skin excision compared to skin pinch test. Compared to the skin pinch test, imaging appears to be a useful tool for advising surgeons on skin preservation vs excision.

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The authors did not receive support from any organization for the submitted work.

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Authors and Affiliations

  1. Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India

    Ritvi K. Bagadia

  2. Department of Head and Neck Oncology, Health Care Global Cancer Hospital, Bangalore, Karnataka, 560002, India

    Shalini Thakur, Shaurya Verma & Anand Subash

  3. Manipal Hospital, Bangalore, Karnataka, India

    Radhika Lal

  4. Department of Head and Neck Oncology, Health Care Global Enterprises Ltd. Hospital, Bengaluru, Karnataka, India

    Vishal U. S. Rao

Authors
  1. Ritvi K. Bagadia
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  2. Shalini Thakur
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  3. Radhika Lal
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  4. Shaurya Verma
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  5. Anand Subash
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  6. Vishal U. S. Rao
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Correspondence to Shaurya Verma.

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Bagadia, R.K., Thakur, S., Lal, R. et al. Role of Imaging in Predicting the Deep Surgical Margin in Gingivobuccal Complex Cancers: A Pilot Study. Indian J Otolaryngol Head Neck Surg (2024). https://doi.org/10.1007/s12070-024-04680-1

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  • DOI: https://doi.org/10.1007/s12070-024-04680-1

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