A Massachusetts doctor has been indicted on 81 new sexual assault charges in connection with alleged abuse of patients at Brigham and Women's hospitals, prosecutors announced.

Dr. Derrick Todd faces charges including rape and assault in a case that prosecutors say involves 22 victims ranging in age from 17 to 56 years old. The alleged abuse occurred over a period of several years while Todd treated patients at the hospital system.

The indictment represents a significant expansion of charges against Todd, with prosecutors alleging the doctor abused dozens of patients under his care. The victims span a wide age range, indicating the alleged abuse affected patients across different demographics.

Brigham and Women's Hospital is a major teaching hospital affiliated with Harvard Medical School and is part of Mass General Brigham, one of the largest healthcare systems in Massachusetts. The hospital system has not immediately responded to requests for comment regarding the charges against Todd.

The case highlights ongoing concerns about patient safety and the vulnerability of individuals receiving medical care. Todd's medical license status and current employment situation were not immediately clear following the indictment.