When to get Mohs

Steven H. Williams, MD answers: Is clinical recurrence required for Mohs Micrographic Surgery?

I have Basal Cell Carcinona (BCC) in the face (upper maxilla ), and it was removed on November 22, 2008. However, the surgeon did an incomplete primary excision and the biopsy showed positive margins for BCC. I did some research, and the Mohs Micrographic Surgery (MMS) is a good option for the recurrent BCC. Do I need to have a clinical recurrence to undergo MMS?


Steven H. Williams, MD
11 months ago

Mohs allows for the maximal amount of tissue conservation when it comes to dermatologic cancer resections. It can be indicated for any skin cancer on the face (or any other part of the body) if resection of that tissue is likely to leave a significant scar or a scar that can alter the function of things like the eyelids.

Just because you have positive margins may not mean you NEED Mohs if the treating physician feels that the resulting defect is likely to be similar or the reconstruction options will not substantially change with comparison to normal surgical resection.

You should talk to BOTH the Mohs dermatologic surgeon and your planned reconstructive surgeon to get the treatment options that are best suited to your needs.

I hope this helps.

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A: Mohs indicated for cosmetically sensitive areas, recurrence, and aggressive pathology

William Ting, MD
2 days ago

Mohs micrographic surgery is indicated for cosmetically sensitive areas, recurrence, and aggressive pathology. The repair is typically performed by Mohs surgeon who is typically quite comfortable with most repairs including flaps and grafts. On occasions, Mohs surgeon may coordinate with a plastic surgeon where the Mohs surgeon will take care of the eradication of tumor with maximal preservation of unaffected tissue and the plastic surgeon may take care of reconstructive surgery either on the same day or the very next day.

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