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How much subglottic extension from a primary glottic tumor would make you treat the regional lymph nodes?

Degree of subglottic extension is often difficult to determine from office scope examinations and ENTs do not always include this. Do you have any tips or rule of thumb? When covering nodes in case with subglottic extension, do you always include level VI?
2 Answers
Mednet Member
Mednet Member
Radiation Oncology · Banner MD Anderson Cancer Center
Answered on

This is a question that may be more complicated than it looks, though I recognize that Dr. @Dr. First Last has a wealth of experience in this area.

The first issue is that the definition of the cranial extent of the subglottic region is not standardized. It can vary from just under the cord to 5 mm ...

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Mednet Member
Mednet MemberInvited Expert
Radiation Oncology · University of Florida
Answered on

The top of the trachea.

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