What is the best way to proceed in anal cancer surveillance if PET avidity of the primary is reduced, but still avid at time point <6 months s/p chemo-RT?

Patient is 4 months s/p CRT with resolution of avid lymph nodes and no evidence of disease on anoscopy. PET avidity is currently <10 SUV from 30 SUV pre treatment.

1 Answer

Mednet Member

Radiation Oncology · Michigan Healthcare Professionals, PC

Answered on

I would do serial physical exams every month or two and trust that more than PET-CT.

If it continues to regress, then continue to follow.

If after 6 months it has stopped regressing and you can feel something, can biopsy.

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