Yoshiichi Sasaki

Aso Iizuka Hospital

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The treatment of posterior interosseous nerve palsy report of twenty cases.

Orthopedics & Traumatology (1985)

Yoshiichi Sasaki Shigeharu Nomura Yoshio Uchida Hirofumi Chosa

We report twenty cases of posterior interosseous nerve palsy; 6 cases accompanying Monteggia fractures, 3 cases of forearm fractures, one case of neuralgic amyotrophy, postoperation of ganglion, ganglion with epiphyseal osteochondroma of radius head, contusion, open injury, dislocation of radius head, and positioning of forearm respectivery, and 3 cases of unknown origin. The diagnosis of cause and lesion of the palsy requires detail anamnesis, examination, x-ray and EMG studies. Incomplete type showed extention lack of one or two digits only. The palsy accompanying Monteggia fractures should be treated by reduction or neurolysis before irreversible changes occur.

Posterior interosseous nerve

Neurolysis

Anamnesis

10.5035/nishiseisai.34.81

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Carpal tunnel syndrome associated with Kienboeck disease - Three cases report.

Orthopedics & Traumatology (1987)

Yoshiichi Sasaki Humitosi Ihara Hideaki Abe Shigeharu Nomura Hiroaki Tamura

Three cases of the carpal tunnel syndrome (CTS) associated with Kienböck disease are reported: Case 1, a 55-year-old woman, Case 2, a 34-year-old man, and Case 3, a 71-year-woman. Case 1 and case 2 showed the regional hypesthesia of the fingers and case 3 had the atrophy of the thenar eminence with loss of the opposition of the thumb. In all cases symptoms of the Kienböck disease were not serious. X-rays, however, showed the progressive stage, which was characterized by the sclerosis and collapse and fragmentation of the lunate bone and the intercarpal and radiocarpal arthrosis. Especially the volar projection of the fragment of the lunate and the spur of the volar lip of the radius were marked.The loss of capacity of the carpal tunnel and the flexor tenosynovitis would produce the CTS. The restricted movement of the wrist and the pain, however, may result in the dysfunction of the hand and then decrease of the flexor tenosynovitis. This probably will cause the low incidence of the CTS associated with the Kienböck disease.

Kienböck's disease

Thenar eminence

Tenosynovitis

10.5035/nishiseisai.35.973

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Roentgenologic soft tissue appearances in adult hip.

Orthopedics & Traumatology (1988)

Yoshiichi Sasaki Ichiro Katuki Yôichi Sugioka

Lateral capsular shadow and iliopsoas sign in A-P view and fatty radiolucent line anterior to the femoral neck in lateral view were studied retrospectively between normal adult hips and cases of avascular necrosis of the femoral head frequently associated with hydrops. The visible radiolucent line was seen in 93%, 77.5% and 77% respectively of the normal hips with any shape of variations. The collapse type of avascular necrosis (stage 3) had clear radiolucent shadow in 61.5%, 69% and 85.1% respectively.The involved hip showed the expansion over 5mm in comparison with normal side or any displacement in 80%, 20% and 77% respectively.It was concluded that lateral capsular shadow lateral to the head in A-P view and radiolucent layer anterior to the hip in lateral view (90 degree of flexion and 45 degree of abduction) are useful as a radiological sign for the diagnosis of intracapsular swelling.

Radiodensity

Avascular Necrosis

10.5035/nishiseisai.37.61

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Multiple stress fractures in monozygotic twins by rugby football.

Orthopedics & Traumatology (1987)

K. Okuyama Yoshiichi Sasaki Masao Eguchi Yôichi Sugioka

We reported a case of 16-year-old monozygotic twins who had multiple stress fractures for one and half year after they participated in rugby football club. One of the twins sustained stress fractures at the middle third of the left tibia and the upper third and middle third of the left fibula. The other had at the upper third of the left fibula, and the second and third right metatarsals.In addition, we did questionnaire for 144 high school rugby football players to clarify the causes of stress fracture in athletes. The causes seem to have relation to the method and time of the trainings, no holiday a week, and individual anatomical features.

Stress Fractures

Football players

Football club

10.5035/nishiseisai.36.355

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Two Cases of Stress Fracture of the Ribs.

Orthopedics & Traumatology (1992)

Hideaki Kubota Yoshiichi Sasaki Hiroyuki Yamamoto Ken Arai Naotaka Ibi

We report two cases of stress fracture of the ribs related to sports activities.The first case involved fracture of the first rib caused by repeated stress from Japanese styled archery (kyudou). This is the first time such a case has been reported.The second case, a typical stress fracture of the lower ribs and spinous process of the seventh cervical vertebra was caused by a golf swing.

Spinous process

Vertebra

Cervical rib

10.5035/nishiseisai.41.281

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Chronic epiphyseal lnjuries in young athletes: Report of three cases.

Orthopedics & Traumatology (1990)

Yoshiichi Sasaki Yôichi Sugioka

Three cases of chronic epiphyseal injuries (proximal humeral epiphysis in a 10-year-old little league shortstop., distal radial epiphysis of a 12-year-old boy in shorinzi-kenpo and second distal metatarsal epiphysis in a 12-year-old classic ballet-dancer) were reported. All initial roentgenograms revealed widening of epiphyseal plate. By temporal cessation of the athletic training, roentgenographic evidence of healing was noted within one to five months. Predictable risks of premature epiphyseal closure or abnormal bone growth or recurrence were discussed.

Epiphysis

Epiphyseal plate

Ballet dancer

10.5035/nishiseisai.39.822

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The treatment of the thoracic outlet syndrome with the brace elevating the scapula. A case report.

Orthopedics & Traumatology (1987)

Yoshiichi Sasaki

A case of the thoracic outlet syndrome treated with the brace elevating the scapula is reported. A 25-year-old woman felt neck and shoulder pain radiating down the right arm without causes three years ago. The symptoms increased progressively. Exercises to strengthen the shoulder suspension muscle were not effective. The symptoms were exacerbated by passive downward traction of the arm and relieved by passive upward movement. The symptoms were improved by the brace of elevating the scapula. I think this brace management may be used as one method of the conservative treatments of the thoracic outlet syndrome.

Conservative Treatment

10.5035/nishiseisai.36.92

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Results of treatment for metacarpal fractures.

Orthopedics & Traumatology (1988)

Tetsuya Morimoto Y. Kamo Hirofumi Chosa Fumitoshi Ihara Shigeharu Nomura

Ninety cases (one handred and sixteen digits) of metacarpal fractures were followed-up from 2 months to 13 years and 6 months with an average length of 2 years and 3 months. We analysed 48 cases of operative treatment and 42 cases of conservative one, 22 open fractures and 68 closed fractures. The injuries were found most frequently in the little finger.Good results were recognized in 80 per cent of base fractures, 60 per cent of neck fractures, and 58 per cent of shaft fractures. On the other hand, open fractures, tendon injuries, joint injuries, and long immobilization of fractures, tended to cause poor results. K-wire (transverse) fixation of multiple fractures gave good results.

Metacarpal bones

Conservative Treatment

10.5035/nishiseisai.37.476

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The experience of early controlled mobilization following repair of zone 5-7 extensor tendon ruptures.

Orthopedics & Traumatology (1985)

Yoshiichi Sasaki Masayuki Koga Daisuke Matsunaga Shigeharu Nomura

We treated ten patients with Zone 5-7 extensor tendon ruptures (RA 5 cases; crush type 3; clear cut 2;) by means of early controlled mobilization using a dynamic splint. Only active flexion was allowed after a few days, but overflexion was blocked by a plaster volar splint. We think that early controlled mobilization contributes to lack of complaints in PIP joint, decreasing of edema, prevention of intrinsic muscle contracture and active exercise of tendon excursion.

Mobilization

Ferula

10.5035/nishiseisai.33.1077

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The influence of the overload to the epiphyseal growth an experimental study.

Orthopedics & Traumatology (1988)

Yoshiichi Sasaki Yôichi Sugioka

To investigate the influence of the overload to the epiphyseal growth, fifty-two rabbits, ten to fourteen days old, had the left ulnar diaphysis excised and for the radiological and histological studies of the radius were killed at variable time interval from the second to the 35th postoperative day. Following results were obtained. 1. Within 12 days tilt of radial epiphysis towards the palm and curvature of radius towards the ulna were produced. 2. Following 2 weeks, tilt, curvature, size of the epiphysis and length of radius decreased, probably due to the synostosis of ulna. 3. At histological study ulnar side of epiphyseal plate showed short proliferative cell column and the hypertrophic cell grouped into the clusters or augmentation of the height of the base of the columnar layer. Radial side demonstrated few changes or a fissure passing within the enchondral ossification at which epiphyseal side showed augmentation of the columnar layer.

Epiphysis

Diaphysis

Radius of curvature

Epiphyseal plate

10.5035/nishiseisai.36.996

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