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首页> 外国专利> ULTRASOUND DIAGNOSTIC TECHNIQUE FOR FREIBERG DISEASE STAGES

ULTRASOUND DIAGNOSTIC TECHNIQUE FOR FREIBERG DISEASE STAGES

机译：弗莱堡病阶段的超声诊断技术

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FIELD: medicine.;SUBSTANCE: method involves the multi-position ultrasonic examination of an affected segment of an extremity. The most specific stages of the disease are detected: when detecting a normal shape disturbance in an involved metatarsophalangeal articulation manifested by a mutual articular surface mismatch, a first stage of the disease is stated. If observing a head deformity and regular sphere loss, a height reduction by 1.0-1.5mm and a joint space enlargement by 1.0-1.5mm as compared to the healthy articulation, a second stage of the disease is stated. A plantar dislocation of the head of metatarsal by 30-45 degrees in relation to a metaphysis along the metaepiphysial cartilage provides diagnosing a third stage of the disease. A fourth stage of the disease is diagnosed by a lateral increase of the head and the metaphysic of the metatarsal by 1-3mm by marginal metaepiphysial spreading with a longitudinal size of the head reduced as compared to the healthy extremity by 1-1.5mm, a thickening of the soft joint tissues by 2-3mm. A fifth stage of the disease is diagnosed if observing a persistent pronounced deformity of the head, irregular contours, a high echogenicity, a non-uniform structure and deformity of epiphysis of a proximal phalanx with a non-uniform joint space of more than 3mm.;EFFECT: technique enables higher information value of the diagnostic procedure by detecting the most specific ultrasonic features of each stage of Freiberg disease.;5 dwg, 5 ex
机译：领域：医学。;实体：方法涉及对四肢的患部进行多位置超声检查。检测到该疾病的最特定阶段：当在所累及的meta趾关节中检测到正常形状紊乱时，表现为相互关节表面失配，表明该疾病的第一阶段。如果观察到头部畸形和规则的球体丢失，与健康的关节相比，身高降低了1.0-1.5mm，关节间隙扩大了1.0-1.5mm，则表明该病处于第二阶段。 along骨头部相对于沿干e端软骨的干meta端的30骨脱位30-45度为该疾病的第三阶段提供了诊断。疾病的第四阶段是通过边缘侧meta上physi展位使头部和the骨干lateral端横向增加1-3mm来诊断的，与健康的四肢相比，头部的纵向尺寸减小了1-1.5mm，软关节组织增厚2-3mm。如果观察到头部持续明显的畸形，轮廓不规则，回声率高，近端指骨的骨structure结构不均匀和关节间隙大于3mm的不均匀畸形，则可诊断为疾病的第五阶段。效果：该技术可通过检测弗莱贝格病各个阶段的最具体的超声特征来提高诊断程序的信息价值。5dwg，5 ex

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