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Effectiveness of Lymph Node Revealing Solution in Estimation of Lymph Nodes Yield in Radical Specimen of Oral Squamous Cell Carcinoma: A Preliminary Histomorphometric Observational Study
Correspondence Address :
Dr. Deepak Pandiar,
Associate Professor, Department of Oral Pathology and Microbiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai-600077, Tamil Nadu, India.
E-mail: deepakpandiar1923@yahoo.com
Introduction: Oral cancer poses a serious health challenge globally, particularly for nations undergoing economic transition. The number and size of lymph nodes obtained, along with nodal involvements, are crucial for proper diagnosis, treatment, and prognosis.
Aim: To assess the number of lymph nodes obtained before and after treating the specimens with the Lymph Node Revealing Solution (LNRS) along with staining characteristics.
Materials and Methods: The present prospective observational study was conducted at the Department of Oral Pathology and Microbiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India, over a period of six months from January 2023 to June 2023 in a tertiary oral healthcare centre in Chennai. Six histologically confirmed Oral Squamous Cell Carcinoma (OSCC) cases with neck dissection were included in the study, involving 32 lymph node levels. Lymph nodes were grossed using both routine procedures of palpation and visualisation and after treatment with LNRS for two days. The number of nodes obtained through both methods was compared along with the staining characteristics. The data were analysed using Statistical Package for Social Sciences (SPSS) software version 26.0. Chi-square and paired t-tests were used to compare the two groups, and any value less than or equal to 0.05 was considered statistically significant.
Results: Out of 134 lymph nodes, 21 were positive with conventional fixation, whereas after the application of LNRS, an additional 41 lymph nodes were retrieved. Two nodes showed metastatic deposits; fortunately, the additional positive nodes did not affect the staging. No statistically significant difference was found before and after immersion in LNRS regarding staining characteristics. The mean area of the yielded nodes was 84.71±4.85 mm2. There was a statistically significant difference between the size of lymph nodes between the manual grossing method and after immersion in LNRS (p-value <0.001).
Conclusion: The study confirmed that the LNRS technique identified very small lymph nodes in oral cancer patients, which may contain metastatic deposits. This might change the stage of the disease and influence the mode of treatment.
Mean area, Metastatic deposits, Node size, Oral cancer
DOI: 10.7860/JCDR/2024/69792.19473
Date of Submission: Jan 26, 2024
Date of Peer Review: Feb 21, 2024
Date of Acceptance: Mar 18, 2024
Date of Publishing: Jun 01, 2024
AUTHOR DECLARATION:
• Financial or Other Competing Interests: None
• Was Ethics Committee Approval obtained for this study? Yes
• Was informed consent obtained from the subjects involved in the study? Yes
• For any images presented appropriate consent has been obtained from the subjects. Yes
PLAGIARISM CHECKING METHODS:
• Plagiarism X-checker: Jan 25, 2024
• Manual Googling: Feb 23, 2024
• iThenticate Software: Mar 16, 2024 (13%)
ETYMOLOGY: Author Origin
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