Manifold methods for bone mineral density analyses are introduced in this paper, and the characteristics of precision, accuracy, position, convenience, sensitivity and the radiation hazards of these methods are also discussed here.
Absorptiometry, Photon ; methods ; Bone Density ; Humans ; Osteoporosis ; diagnosis ; Sensitivity and Specificity ; Tomography, X-Ray Computed ; Ultrasonography ; instrumentation

This paper introduces a pathological information network and image analysis system designed by ourselves. The system offers an efficient means for modern medical diagnosis and treatment, teaching, research and management in the department of pathology.
Diagnostic Imaging ; Information Services ; Pathology, Clinical ; methods ; Radiology Information Systems ; Software Design ; Systems Analysis