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Related Concept Videos

Assessment of the Mouth01:26

Assessment of the Mouth

256
A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
256

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Updated: Jul 19, 2025

Sentinel Lymph Node Mapping and Biopsy for Endometrial Cancer at Early Stage with Laparoscopy
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Indications for sentinel lymph node biopsy in node-negative oral cancers.

Taijiro Ozawa1, Isao Oze2, Takashi Matsuzuka3

  • 1Department of Otolaryngology, Toyohashi Municipal Hospital, Toyohashi, Japan.

Head & Neck
|August 8, 2023
PubMed
Summary

Sentinel lymph node biopsy (SLNB) is a key treatment for oral cancer. Tumor depth and diameter predict metastasis risk, guiding SLNB indications for better N0 neck control.

Keywords:
indicationneck dissectionnode-negativeoral cavity cancersentinel lymph node biopsy

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Area of Science:

  • Oncology
  • Surgical Oncology

Background:

  • Oral cancer management involves cervical treatment options.
  • Sentinel lymph node biopsy (SLNB) is considered for N0 necks.
  • Indications for SLNB in oral cancer require definition.

Purpose of the Study:

  • To define indications for sentinel lymph node biopsy (SLNB).
  • To evaluate SLNB as a treatment for oral cancer with negative cervical lymph nodes.

Main Methods:

  • Retrospective analysis of three trials (2009-2016) involving 158 patients.
  • Primary site depth of invasion (DOI) and long diameter (LD) were used as exposure variables.
  • Sentinel lymph node (SLN) metastasis was the primary outcome measure.

Main Results:

  • SLN metastasis positivity rates were 21.3% (T1), 35.3% (T2), and 51.2% (T3).
  • For T1 oral cancer, SLN metastasis positivity reached 40.9% with DOI between 2-5mm and LD between 8-20mm.
  • Risk stratification based on DOI and LD is feasible.

Conclusions:

  • Sentinel lymph node biopsy (SLNB) is an effective procedure for N0 neck control in oral cancer.
  • SLNB-navigated or assisted neck dissection improves cervical treatment outcomes.
  • DOI and LD are crucial factors in determining SLNB indications.