It found the outcomes of treatment provided to nine children were "below the standard we would expect", Cambridge University Hospitals chief executive Roland Sinker said.
The surgeries did not involve loss of life or limb but in some cases impacted the children's quality of life, the Trust said.
"We will identify whether there were any opportunities to have identified these concerns earlier as well as any wider learning and changes required in the immediate and longer term," Mr Sinker said.
After the review, they were suspended and are "fully co-operating with the Trust's process", Mr Sinker said.
The Trust said it had also informed the General Medical Council, NHS England and the Care Quality Commission.