Biomedical subjects
Publications and source records attributed to D McShan.
A new interactive computerized tumor registry has been established for the state of Rhode Island. The registry is implemented with new data base software which features a pagination scheme with rapid retrieval of non-coded variable data. The types of data stored are discussed as well as the computer system and methods of data entry storage and retrieval.
A new computerized data base and retrieval system for a minicomputer has been devised for storing and retrieving clinical data. It features interactive terminal input and output using a pagination scheme as well as a subset mapping scheme for interactive retrieval. The pagination system, file structuring and retrieval system are discussed.
The three-dimensional treatment planning system developed at the Rhode Island Hospital visualizes the spatial interrelationships of the radiation beam, the tumor, and the adjacent organs within the patient. It is possible to rotate and vary the scale of the display to better comprehend the extent of these structures. By viewing the display as if from along the radiation beam, one can design shaped treatment fields which best suit the three-dimensional nature of the disease. With this system, it is possible to reduce the volume of normal tissue which would typically be irradiated if two-dimensional treatment planning techniques and assumptions were employed.
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