Do you attempt to spare the submandibular glands in head and neck IMRT?
If so, what dose constraints do you use?
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When contouring neck level IB, do you include the submandibular gland itself in the CTV?
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3 Answers
Mednet MemberInvited Expert
Radiation Oncology · UTMB
Answered on
I do too. The primaries I consider electively treating 1B nodal station are: oral cavity, nose and anterior nasal cavity, lip, medial cheek/mid face, and node positive parotid. The submandibular gland itself is devoid of lymph nodes and is rarely ever involved by Sq cell Ca (versus the parotid gland...
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Mednet MemberInvited Expert
Radiation Oncology · UT Southwestern School of Medicine
Answered on
There are no lymph nodes in the submandibular gland! Avoiding the gland in the CTV minimizes dose to the oral cavity, which is critical.
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Mednet MemberInvited Expert
Radiation Oncology · Memorial Sloan Kettering Cancer Center
Answered on
I do and I spare as low as possible.
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