RESUMO
This retrospective study examined bone mineral density (BMD) for discrimination of female patients with fractures. Bone densitometry was done in 146 patients over the age of 50 years at radius, lumbar spine, and proximal femur sites using single and dual photon absorptiometry. The patients were divided into three groups: (A) no osteoporotic fractures (n = 92); (B) mild spine fractures with greater than 15% compression (n = 38); and (C) hip fractures (n = 16). Groups B and C did not differ significantly from each other in BMD, but these groups differed significantly from group A for spine and femur BMD. No significant differences between groups were found for the radius. Receiver operating characteristic (ROC) analysis showed that the BMD of the proximal femur had the highest diagnostic sensitivity for both spine and femur fractures; the radius had the lowest overall sensitivity, and the spine was intermediate.
Assuntos
Osso e Ossos/análise , Fraturas Espontâneas/epidemiologia , Minerais/análise , Osteoporose/patologia , Idoso , Idoso de 80 Anos ou mais , Reabsorção Óssea , Osso e Ossos/lesões , Osso e Ossos/patologia , Feminino , Fraturas do Fêmur/epidemiologia , Fraturas do Fêmur/patologia , Fêmur/lesões , Fêmur/patologia , Fraturas Espontâneas/patologia , Humanos , Vértebras Lombares/lesões , Vértebras Lombares/patologia , Menopausa , Pessoa de Meia-Idade , Fraturas do Rádio/epidemiologia , Fraturas do Rádio/patologia , Estudos Retrospectivos , Estatística como AssuntoRESUMO
Dual photon absorptiometry studies were performed on the hips of 23 patients to determine whether bone mineral density values obtained from one hip were indicative of the values in the contralateral hip of the ambulatory patient. The femoral neck, trochanteric, and Ward's triangle areas of both hips were analyzed. There were no significant differences between the right and left hip bone mineral density measurements in any of these three areas. Since the right and left hip readings were highly correlated, either hip may be used to evaluate osseous status.
Assuntos
Minerais/metabolismo , Osteoporose/diagnóstico por imagem , Ossos Pélvicos/diagnóstico por imagem , Adulto , Idoso , Feminino , Humanos , Interpretação de Imagem Assistida por Computador , Masculino , Pessoa de Meia-Idade , Cintilografia , SoftwareRESUMO
This is a case report of a patient who had a desmoid tumor which localized 99mTc-diphosphonate. The mechanism for this localization was felt to be the affinity of the bone agent for the immature proliferating collagen in this tumor.
