A female aged 72 years, presented with a history of backache and weakness of the lower leg for 2 months. Sagittal MRI showed posterior extradural mass at Th4 level and CT showed destruction of the lamina at Th4.Gradually paralysis of the lower leg increased, so laminectomy of Th3-5 was performed 12 days after admission. A hard mass-like tumor with adhesion to the dura, and white pus was found at surgery.Pathology was tuberculosis, and acid-fastended bacteria were detected in the pus. Five months after the operation, the patient made a good neurological recovery and could walk with the aid of a cane.
A 29-year-old man was involved in a motorcycle versus automobile accident. On admission to our hospital he had paresthesia and slight loss of motor power in both upper limbs and was found to be paraplegic with complete sensory and motor loss below Th 6. His injury was classified as a Frankel type A. Radiographs of the spine showed a burst fracture of C4 and vertebral body fractures at Th 4-9 with maximun lateral dislocation at Th6/7. Posterior fusion at Th2-10 with a Luque and a Harrington rod was done about 4 weeks after the initial injury. Anterior fusion at C4-5 was done 10 days after initial operation. Eight months after surgery, he recovered to Frankel type D and could walk using a long leg cast. In patients with quadriplegia, proper treatment is dependent on early diagnosis of the primary lesion. Although it is uncommon, the second or third leveles of injuries are not recognized. Therefore, it is recommended that total spinal radiographs should be taken as soon as possible.
ABSTRUCT This paper describes a 3D image based collaboration system for telemedicine. This system enables doctor to observe 3D images transferred from image database through network, and also has collaboration function which operate 3D position of viewing of each doctor by 3D image displaying and data transferring through network. It is constructed based on server client style, and the server has the function of transferring data from a 3D image database and a collaboration record database, and also has control unit of transferring data between doctors during operating the system. The client has a user interface including operation part for parameter selection of viewing and sending comments, and display part for displaying 3D image based on volume rendering and 3D position and direction of observer by using avatar. Doctors can use this system to do collaboration work by sending comments with viewing 3D image each other. We implement this system in different platform including UNIX workstation and PC, and also supply Web browser based user interface for considering various user environments. We applied the 3D images of MRI in head for examining the structure of soft tissues and tumor in detail. We also evaluated the performance of the system through network including LAN and Internet, and experimental result shows that this system is useful.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.