Mislabelled, misplaced or lost tissues leading to mismatching information to correct tissue donor resulting in wrong diagnosis or test results being given to wrong person. Centralized storage vulnerable to stealing tissues for illegal sale, damage and destruction of valuable tissues for no good reason other than anger or rage. Lack of control over the uses of stored tissues - donor assumes test will be done and tissue destroyed, this is not always the case.
Patients are unaware of what happens to such tissue.
Tissues could be used for mass cloning of individuals without donors consent or awareness. Accidental health risks to tissue handlers. Forensics to identify law breakers. Central supply available for general population. Individuals cannot provide themselves with the supply they may require eg.