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American Family Children's Hospital
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Mohs Surgery Sequence

Mohs surgery was developed by Dr. Frederic Mohs at the University of Wisconsin-Madison. The procedure was first used to treat skin cancers in 1936 and remains the gold standard of care throughout the world today.

The Mohs method involves removing skin cancer and using a microscope to map tumor margins. Successive layers are removed as needed until all margins are free of cancer.
 
Depending on the type of skin cancer and the extent of repair, the referring physician or dermatologist may perform follow-up visits.
 
Mohs surgery flowchart
 
Advantages of Mohs Surgery

The Mohs method: 
  • Provides the highest assurance of complete cancer removal
  • Preserves a maximal amount of normal tissue
  • Generally requires only a local anesthetic
  • Allows patients to be treated on an outpatient basis, usually in one day
  • Has low operative risk
  • Offers the highest cure rate for tumors that recur after treatment by other methods