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The Korean Journal of Pathology 1998;32(7): 531-534.
Plastination: An Improved Method for Preservation of Pathology Specimens.
Chong Woo Yoo, Min Ho Choo, Sa Sun Cho, Sang Kook Lee, Je Geun Chi, Woo Ho Kim
1Department of Pathology, Seoul National University College of Medicine, Seoul, Korea.
2Department of Anatomy, Seoul National University College of Medicine, Seoul, Korea.
The gross tissue specimens are a valuable aid to the teaching of pathology and anatomy. However, traditional methods for storage and handling of them are discouragingly difficult and, recently, minimal surgical resections as well as preoperative interventions make it more difficult to have instructive gross specimens. Plastination is a process of tissue preservation by impregnation with silicone polymers or epoxy resins. The process in our study involves dehydration by cryosubstitution in aceton, defatting, forced impregnation of silicon polymer in a vacuum, curing and finishing. We submitted 40 surgically resected specimens to plastination. The resulting specimens are odorless, relatively dry, durable, life-like, non-hazardous, maintenance-free, and do not deteriorate with time. Plastinated specimens are a useful adjunct to the teaching of pathology, particularly suited for use in small groups, and appropriate method of tissue preservation. They are much preferred to wet preparation and conventional pots by both students and teachers owing to their accessibility, superior illustrative powers, and comparative ease of interpretation.
Key Words: Plastination; Pathology teaching; Tissue preservation
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