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Dive into the research topics where Masayasu Sugiyama is active.

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Featured researches published by Masayasu Sugiyama.


Orthopaedics and Traumatology | 1991

A Case Report of an Idiopathic Osteonecrosis of the Medial Tibial Plateau

Sadanao Kawamoto; Yoshio Makino; Masayasu Sugiyama; Kunihiko Okano

A case of the idiopathic osteonecrosis of the medial tibial plateau was reported.A 61-year-old male had sudden onset of severe knee pain with typical findings of Stage 3 necrosis according to the Koshios classification on radiographs The patient obtained good results from curettage, bone graft and high tibial osteotomy.The etiology, diagnosis and treatment of this case were discussed with some references.


Orthopaedics and Traumatology | 1991

Partial Laminectomy vs, Wide Laminectomy for Lumbar Canal Stenosis

Takashi Hashiguchi; Hiroaki Konishi; Shinichiro Hara; Masayasu Sugiyama; Takayoshi Torikoshi

24 patients operated by partial laminectomy and 22 patients operated by wide laminectomy, with out fusion, were compared. There were no difference between partial laminectomy and wide laminectomy about subjective symptom, ADL, return to the work and satisfaction. But in wide laminectomy, instability after operation increased as time goes on and as degrees of lumbago.


Orthopaedics and Traumatology | 1990

External Fixation for Intraarticular Fractures of the Distal Radius

Takashi Hashiguchi; Takayoshi Torigoshi; Ryouichi Takasuga; Yoshiaki Sanematsu; Sumitaka Takesako; Hiroaki Konishi; Syuji Nakanishi; Shinichiro Hara; Masayasu Sugiyama


Orthopaedics and Traumatology | 1996

Evaluation of TKR for Rheumatoid arthritis -bilateral TKR at the same time-

Yasuhiro Hirota; Masahumi Kohno; Yoshimasa Othubo; Yoshinori Hara; Masayasu Sugiyama; Atushi Taguchi


Orthopaedics and Traumatology | 1995

Two Desmoid Tumors of the Supraclavicular Fossa

Masayasu Sugiyama; Masafumi Kono; Yoshimasa Ohtsubo; Hironori Hara; Yasuhiro Hirota; Atsushi Taguchi; Toru Hirano; Masaichi Nakamura


Orthopaedics and Traumatology | 1995

Function of Disordered Lumbosacral Nerve Roots in Cases of Transitional Vertebrae

Yoshimasa Ohtsubo; Masafumi Kohno; Hironori Hara; Masayasu Sugiyama; Yasuhiro Hirota; Atsusi Taguchi


Orthopaedics and Traumatology | 1994

Evaluation of Wrist Joint Instability after Darrach Procedure in Rheumatoid Arthritis

Hironori Hara; Atsushi Taguchi; Masafumi Kohno; Katuya Fujimoto; Masayasu Sugiyama; Kaoru Morita; Taketoshi Tei; Katsuro Iwasaki


Orthopaedics and Traumatology | 1991

Monteggia Fracture in Children

Masayasu Sugiyama; Takayoshi Torigoshi; Ryouichi Takasuga; Yoshiaki Samematsu; Sumitaka Takesako; Hiroaki Konishi; Syuuji Nakanishi; Shinichirou Hara; Takahi Hashiguchi


Orthopaedics and Traumatology | 1990

A Study of Complications of Cervical Spinal Operations in the Aged

Hiroaki Konishi; Takyoshi Torigoshi; Yoshiaki Sanematu; Ryouichi Takasuga; Syuuji Nakanishi; Shinichirou Hara; Takashi Hashiguchi; Masayasu Sugiyama


Orthopaedics and Traumatology | 1990

Spinal Extradual Arachnoid Cyst with Incarceration of the root fila of Cauda equina

Shinichirou Hara; Takayoshi Torigoe; Ryouichi Takasuga; Yoshiaki Sanematsu; Sumitaka Takesako; Hiroaki Konishi; Syuji Nakanishi; Takashi Hashiguchi; Masayasu Sugiyama; 近藤 晴彦

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Masafumi Kohno

Memorial Hospital of South Bend

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