[An expert system for biopsy diagnosis of lymph node pathology using a personal computer].

The program has been developed for biopsy diagnosis in lymph node disease including tumors. The expert knowledge is based on the information about more than 200 morphological symptoms of 37 nosological unities: reactive lymphoid hyperplasia, metastatic tumors, granulomatous disease and others. The decision three consists of three sections: diffuse nontumor processes, inflammatory focal processes and tumor diffuse and focal processes. The system can provide a "second opinion" for pathologists in their professional activity and may useful as a teaching tool for medical students.