Depth of Invasion in Oral Cavity Cancer

Rodrigo Arrangoiz MS, MD, FACS, FSSO
  • The staging of primary tumors of the oral cavity:
    • As published by the AJCC and UICC is widely accepted
  • In its most recent revision (eighth edition of the AJCC Staging Manual):
    • Depth of invasion (DOI) is added to the surface dimensions and local extent of the tumor:
      • As the required parameters for primary tumor staging in the oral cavity
Depth of invasion and surface dimensions are the
parameters required for T staging of oral cancer
  • Accurate assessment of DOI by clinical examination is not possible:
    • However, the staging system stratifies DOI by 5 mm increments, and thus clinical estimates of DOI can be categorized into:
      • Thin (less than 5 mm)
      • Thick (5 to 10 mm)
      • Very thick (greater than10 mm)
        • By palpation to assign clinical T stage
Primary tumors of the oral cavity are categorized as thin,
thick, and very thick by palpation
  • The stage distribution of patients with squamous cell carcinoma of the oral cavity at the Memorial Sloan Kettering Cancer Center in New York is shown in the graph:
Stage distribution for squamous cell carcinoma of the oral cavity
(MSKCC data 1985 to 2015)
#Arrangoiz #CancerSurgeon #HeadandNeckSurgeon #SurgicalOncologist #MountSinaiMedicalCenter #MSMC #Miami #Mexico
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Published by Rodrigo Arrangoiz MS, MD, FACS, FSSO

My name is Rodrigo Arrangoiz I am a breast surgeon/ thyroid surgeon / parathyroid surgeon / head and neck surgeon / surgical oncologist that works at Center for Advanced Surgical Oncology in Miami, Florida. I was trained as a surgeon at Michigan State University from (2005 to 2010) where I was a chief resident in 2010. My surgical oncology and head and neck training was performed at the Fox Chase Cancer Center in Philadelphia from 2010 to 2012. At the same time I underwent a masters in science (Clinical research for health professionals) at the University of Drexel. Through the International Federation of Head and Neck Societies / Memorial Sloan Kettering Cancer Center I performed a two year head and neck surgery and oncology / endocrine fellowship that ended in 2016. Mi nombre es Rodrigo Arrangoiz, soy cirujano oncólogo / cirujano de tumores de cabeza y cuello / cirujano endocrino que trabaja Center for Advanced Surgical Oncology en Miami, Florida. Fui entrenado como cirujano en Michigan State University (2005 a 2010 ) donde fui jefe de residentes en 2010. Mi formación en oncología quirúrgica y e n tumores de cabeza y cuello se realizó en el Fox Chase Cancer Center en Filadelfia de 2010 a 2012. Al mismo tiempo, me sometí a una maestría en ciencias (investigación clínica para profesionales de la salud) en la Universidad de Drexel. A través de la Federación Internacional de Sociedades de Cabeza y Cuello / Memorial Sloan Kettering Cancer Center realicé una sub especialidad en cirugía de cabeza y cuello / cirugia endocrina de dos años que terminó en 2016.

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