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2.
Tunisie Medicale [La]. 2008; 86 (12): 1031-1035
en Francés | IMEMR | ID: emr-119711

RESUMEN

The aim of this paper is to give an overview on the scientific information related to stress fracture risk factors. We searched the Medline and Embase databases using the keywords stress fracture, risk factors and bone microarchitecture. Only French and English articles were included and 52 were chosen because they corresponded to literary reviews, prospective and retrospective studies concerning individuals who participate in athletics, in military recruits or civil. Stress factures are common injuries in individuals who participate in athletics, in military recruits. Stress fractures of the lower extremity most commonly involve the tibia. A stress fracture represents the inability of the skeleton to withstand repetitive bouts of mechanical loading. To prevent stress fractures, an appreciation of their risk factors is required. Risk factors include intrinsic risk factors such as female gender, amenorrhea, lower bone density, inadequate muscle function and biomechanical features as well as extrinsic risk factors such as overtraining program, inadequate equipment and the energetic nutrition deficit. The coexistence of different risk factors makes so difficult the isolation of etiologic variables Several risk factors have been comprehensively assessed in numerous studies. Hence, to date, there is still no general screening tool available to identify individuals at risk. Bone texture analysis seems to offer new prospects in the identification of stress fracture susceptibility


Asunto(s)
Humanos , Fracturas por Estrés/fisiopatología , Huesos/fisiología , Factores de Riesgo , Densidad Ósea
3.
Tunisie Medicale [La]. 2008; 86 (9): 836-838
en Francés | IMEMR | ID: emr-90682

RESUMEN

Oncogenic octeomalacia is an unusual and rare clinicopathologic syndrome characterized by mesenchymal tumors that apparently produce osteomalacia and biochemical abnormalities consisting of hypophosphatemia and normocalcemia. We have investigated the mechanism by which a giant cell tumor of bone caused biopsy-proved osteomalacia in a 50-year-old woman. A 50-year-old woman presented with generalized bone and pelvicrural pain, associated with fatiguability and muscle weakness. The diagnosis of osteomalacia was retained, associated with a giant cell tumor. The coexistence of giant cell tumor of bone and osteomalacia suggested the diagnosis of oncogenic osteomalacia. Resolution of the biochemical abnormalities of the syndrome after tumor resection, established this diagnosis. oncogenic osteomalacia can be a form of vitamin-D-refractory osteomalacia due to altered vitamin D3 metabolism


Asunto(s)
Humanos , Masculino , Femenino , Tumores de Células Gigantes/diagnóstico , Tumor Óseo de Células Gigantes/diagnóstico , Neoplasias Óseas , Dolor , Hipofosfatemia , Fatiga , Debilidad Muscular , Colecalciferol
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