Yoshinori Hashimoto

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The purpose of this paper is to show realization of passive walking of a biped robot Emu that is composed of one body and two legs. The semi-passive walking means that a biped robot walks passively on gentle descent accompanying with attitude control of the body. In the beginning of this paper, we outline the formulation for the passive and semi-passive(More)
A 71-year-old male underwent an upper gastrointestinal endoscopy ; as a result of a biopsy, extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) was suspected. Abdominal computed tomography scan disclosed an approximately 4-cm-large mass in the ileocecal region. After ileocecal resection, the patient was diagnosed with MALT(More)
Objective Although use of the peripherally inserted central venous catheter (PICC) has become increasingly common, there are few reports of PICCs used for patients with hematologic diseases. In this study, we analyzed the safety of PICC placement in patients with hematologic diseases where PICCs had been placed to perform blood collection, blood(More)
Extraskeletal osteochondroma is a rare condition. To our knowledge, occurrence in the foot has been very rare. We present here a case wherein the patient developed a painful extraskeletal osteochondroma under the tarsal sesamoid. A fifty-one-year-old man presented at our department with a painful mass on the plantar part of the metatarsal joint of the right(More)
A 75-year-old woman was referred to our hospital with suspected leukemia. Complete blood count demonstrated WBC 3,810/µl with 26% blasts, Hb of 11.7 g/dl and Plt of 18.0×104/µl. Bone marrow aspiration revealed blasts (86.3%) with expressions of CD34, CD7, TdT, CD33, and CD117. MPO was negative. Chromosomal analysis of the bone marrow showed isolated trisomy(More)
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