Biomedical subjects
Publications and source records attributed to X Phélip.
A 55 year old female with a history of three different malignancies including a cerebral glioblastoma developed two bone metastases (in the spine and iliac crest). Histologic and immunohistochemical studies of biopsy specimens demonstrated the presence of glial fibrillary acidic protein, establishing that the bone tumors were metastases from the glioblastoma. Specific features of these rare metastases are discussed.
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A national survey has regrouped 33 cases of anorexia nervosa (AN) with osseous investigations, in particular an absorptiometry of the lumbar spine. 2 groups have been defined: 25 patients without fracture (F-) and 8 patients with osteoporotic fractures (F+), including 5 cases with 12 vertebral fractures and 5 with non vertebral fractures: 31/33 have a low lumbar bone mineral content (BMC). The lumbar BMC of the F+ is significantly lower than the F-: -4.1 +/- 1.6 DS versus -2.2 +/- 1.2 DS (p less than 0.001). 5 F+ patients are under the fracture threshold (FT), (O F-), 2 F+ are on the same level as the FT, and the last F+ has a lumbar BMC 15% above the FT, but an osteoporotic wrist fracture and a very low femoral neck BMC (0.64 g/m2, normal 1.06 +/- 0.15). F+ are older (35.2 year old versus 23.6, p less than 0.001), owing the fact that the duration of the AN (+ 9.2 years, p less than 0.005) and of the amenorrhea (+ 9.8 years, p less than 0.001) are longer, although the AN began at the same age in the 2 groups. The minimum weight, the body mass index, the percentage of loss of weight are similar in the 2 groups. Phosphocalcic biological studies, which show rather high osteocalcinemia and hydroxyprolinuria (hyperremodeling), with rather high serum 1-25 OH vitamin D, do not differ between the 2 groups. Endocrinologic evaluations, with a constant hypooestradiolemia of hypothalamic origin, low somatomedinemia and normal cortisolemia, are not different between the 2 groups.(ABSTRACT TRUNCATED AT 250 WORDS)
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The adaptation of man to an erect posture is the result of phylogenetic as well as ontogenetic evolution of the spinal structures and is largely responsible for the development of back pain. Apart from the specific conditions of overwork, a large number of physical activities and certain postures maintained over long periods of time can favour the development of back pain. The prevention of benign back pain therefore depends on a re-education of the correct use of the back. This can be performed in the form of individual prevention or in small groups of subjects suffering from back pain in whom a high risk activity can be isolated in order to direct the re-education. Primary prevention can also be considered in subjects not presenting back pain, consisting of a better knowledge of the back and its correct use.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.