Browsing by Author "Baba, Hisatoshi"

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    Anterior Spinal Artery Syndrome Complicating Massive Paravertebral Abscess
    (Journal of Orthopaedic Science,, 2008) Uchida, Kenzo; Kobayashi, Shigeru; Nakajima, Hideaki; Yayama, Takafumi; Bangirana, Alexander; Baba, Hisatoshi
    Anterior spinal artery (ASA) syndrome is associated with a variety of conditions, such as aortic dissection or traumatic rupture, complications of aortic surgery, thrombosis or embolism, hematomyelia, vasculitis, ver tebrocervical arthrosis, or coagulopathy,1–5 although the condition could be also idiopathic. The clinical features include sudden onset of significant intractable back pain followed by rapid development of paraparesis, dissociated sensory loss, and bladder and bowel disturbances.We describe here a case of ASA syndrome associated with paravertebral abscess and pyothorax in a patient known to have malignant rheumatoid arthritis and renal failure. We discuss the possible mechanism of ASA syndrome in this unusual case with review of the literature
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    Exceedingly Large Femoral Condyle Intraosseous Ganglion Cyst Following High Tibial Osteotomy
    (Journal of Orthopaedic Science, 2007) Kubota, Chikara; Kobayashi, Shigeru; Bangirana, Alexander; Baba, Hisatoshi
    Ganglion cysts emanating from intraosseous bones are common pathological entities in routine practice.1–3 Intraosseous ganglion cysts occur at any site and age, are common in the acetabulum and tibia, and often remain asymptomatic for lengthy times. Because most such cysts occur at the ends of the long bones or juxtacortical area of major joints, intraosseous ganglion cysts may be frequently discovered incidentally when joint pain is claimed for some symptomatic events.1,4,5 The size and extension within the intramedullary area may vary, and the bony cortex and/or articular cartilage surface is often injured secondary to the large ganglion cyst, in association with pain around the lesion. Because intraosseous ganglion cysts are identified incidentally, the formation and development processes of an intraosseous ganglion cyst have not been reported in the literature, although most physicians are familiar with the clinical entity.