[Aspects of protein metabolism in chronic uremia. Study completed with the help of nitrogen balance during a course of periodic hemodialysis].
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Biomedical subjects
Publications and source records attributed to L Campanacci.
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The authors describe the surgical technique of en bloc resection of musculoskeletal neoplasms that originate and invade the posterior arch of the thoracolumbar spine. Surgery is indicated for the treatment of aggressive benign tumors (Enneking stage 3) and malignant tumors. For surgical margins to be adequate, both pedicles must be free of the tumor.
The authors evaluate the posterior approach to the cervical spine with the patient in a sitting position for the surgical treatment of neoplasms of the vertebral arch. Advantages and risks, particularly those related to anesthesia, are examined. Two cases in which the sitting position was advantageous are reported.
The clinical and radiographic progression of fibrous dysplasia may be due to a cystic-hemorrhagic change, or to a sarcomatous transformation. The distinction between these two possibilities, which is essential to treatment, depend on the biopsy. A case of fibrous dysplasia in a female aged 18 years is described in which, 3 years after pathologic fracture consolidated with non-surgical treatment, clinical and radiographic progression occurred, enough to suspect malignant transformation. Histological diagnosis showed fibrous dysplasia with a cartilaginous component and cystic-hemorrhagic changes, and curettage-bone allografting resulted in healing of the lesion.