Exhibit 21




                                  SUBSIDIARIES

Name                                               State of Incorporation or Formation
---------------------------------------------      -----------------------------------
                                                
Photonics for Women's Oncology LLC (inactive)      Delaware
Pro-screen, LLC (inactive)                         Delaware
Medi-Photonics Development L.L.C.                  New York
Laser Diagnostics Instruments, Inc.                New York
BioScopix Inc.                                     New York