Yutaka Koizumi

Dynamic Change of Dural Sac Cross-Sectional Area in Axial Loaded Magnetic Resonance Imaging Correlates With the Severity of Clinical Symptoms in Patients With Lumbar Spinal Canal Stenosis

Haruo Kanno, Hiroshi Ozawa, Yutaka Koizumi et al. · Spine · 2011 · 77 citations

Medicine, Neurosurgery, Radiology +16

Reoperation for recurrent lumbar disc herniation: a study over a 20-year period in a Japanese population

Toshimi Aizawa, Hiroshi Ozawa, Takashi Kusakabe et al. · Journal of Orthopaedic Science · 2011 · 75 citations

Medicine, Orthopedic Surgery, Surgery +9

Clinical significance of intramedullary Gd-DTPA enhancement in cervical myelopathy

Hiroshi Ozawa, Takeshi Sato, Hironori Hyodo et al. · Spinal Cord · 2009 · 59 citations

Medicine, Neurosurgery, Radiology +14

Increasing Incidence of Degenerative Spinal Diseases in Japan during 25 Years: The Registration System of Spinal Surgery in Tohoku University Spine Society

Toshimi Aizawa, S. Kokubun, Hiroshi Ozawa et al. · The Tohoku Journal of Experimental Medicine · 2016 · 56 citations · Full text

Medicine, Orthopedic Surgery, Surgery +8

Axial Loading During Magnetic Resonance Imaging in Patients With Lumbar Spinal Canal Stenosis

Haruo Kanno, Toshiki Endo, Hiroshi Ozawa et al. · Spine · 2011 · 49 citations

Medicine, Neurosurgery, Radiology +14