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Assessment of Occult Nodal Micrometastases to the Clinically Negative Contralateral Neck in Locally Advanced Supraglottic Squamous Cell Carcinoma

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Abstract

The aim of this study is  to study the incidence of occult nodal micrometastases (ONM) in the contralateral neck and compare it to the laterality of the primary tumor. Retrospective analysis of the medical records of patients with locally advanced supraglottic squamous cell carcinoma and Clinically negative contralateral neck (cN0-CLN) - who had concurrent total laryngectomy and bilateral neck dissection as their primary treatment at the Otolaryngology Department, Al Kas Al Ainy School of Medicine—Cairo University between 2015 and 2020 - was conducted. Patients were divided into 3 groups according to the extent of the primary tumor. 28 patients met the inclusion criteria. Patients with well-lateralized tumors were 14 (Group A), tumors abutting the midline were 4 (Group B) and tumors significantly involving the contralateral side were 14 (Group C). There was no statistically significant difference in age of patients among the three groups. Eleven patients had cervical lymphadenopathy in the final pathology reports. Seven patients had ONM, all of whom were among group C patients (7/14; 50%). The degree of tumor differentiation was not associated with the presence of ONM. Treatment of the cN0-CLN is justified in locally advance supraglottic carcinoma significantly crossing the midline. The total number of patients with ONM in the cN0-CLN exceeds the threshold for observation, however the authors could not recommend or refute the practice of routine prophylactic treatment of the cN0-CLN as none of the patients—in this study—with well-lateralized tumors or tumors just abutting the midline showed ONM.

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Authors and Affiliations

  1. Otolaryngology Department, Al Kasr Al Ainy School of Medicine, Cairo University, Al Kasr Al Ainy, ElManial, Cairo, 11562, Egypt

    Ahmad Mohamed Eltelety, Mohamed Aly Abou-Zeid, Mena Esmat Abdelmalek & Ahmed Amin Nassar

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  1. Ahmad Mohamed Eltelety
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  2. Mohamed Aly Abou-Zeid
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  3. Mena Esmat Abdelmalek
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  4. Ahmed Amin Nassar
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All authors had full access to the data and are equally responsible for its integrity. Concept and design: Eltelety Acquisition, analysis and interpretation of data: Eltelety, Nassar, Abdelmalek. Statistical analysis: Abou-Zeid. Drafting manuscript: Eltelety.

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Correspondence to Ahmad Mohamed Eltelety.

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Eltelety, A.M., Abou-Zeid, M.A., Abdelmalek, M.E. et al. Assessment of Occult Nodal Micrometastases to the Clinically Negative Contralateral Neck in Locally Advanced Supraglottic Squamous Cell Carcinoma. Indian J Otolaryngol Head Neck Surg 74, 369–374 (2022). https://doi.org/10.1007/s12070-021-02806-3

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