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Article
Open AccessPublisher Correction: Categorization of disaster-related deaths in Minamisoma city after the Fukushima nuclear disaster using clustering analysis
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Open AccessCategorization of disaster-related deaths in Minamisoma city after the Fukushima nuclear disaster using clustering analysis
The medical situation during disasters often differs from that at usual times. Disasters can lead to significant mortality that can be difficult to monitor. The types of disaster-related deaths are largely unk...
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Article
Open AccessSurgical technique of spine-shortening vertebral osteotomy for adult tethered cord syndrome: a case report and review of the literature
Miyakoshi et al. reported three cases of tethered cord syndrome treated by spine-shortening vertebral osteotomy, which provided relief of the patients’ symptoms with no complications. Although the details of thes...
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Article
Enhancement of synaptic responses in ascending interneurones following acquisition of social dominance in crayfish
When crayfish have attained dominant status after agonistic bouts, their avoidance reaction to mechanical stimulation of the tailfan changes from a dart to a turn response. Ascending interneurones originating ...
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Article
Winner and loser effects of juvenile cricket Gryllus bimaculatus
Agonistic encounters of juvenile male crickets were analyzed behaviourally. In a pairing between adult and juvenile male crickets, the juvenile crickets were usually beaten by the adult males of over 3 days af...
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Article
Alon–Tarsi Number and Modulo Alon–Tarsi Number of Signed Graphs
We extend the concept of the Alon–Tarsi number for unsigned graph to signed one. Moreover, we introduce the modulo Alon–Tarsi number for a prime number p. We show that both the Alon–Tarsi number and modulo Alon–T...
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Article
Open AccessHydrocephalus after foramen magnum decompression for Chiari I malformation successfully treated with the aspiration of pseudomeningocele: a case report
Pseudomeningocele or cerebrospinal fluid leakage is one of the most common complications of foramen magnum decompression with duraplasty for Chiari I malformation. Usually, cerebrospinal fluid leakage is treat...
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Article
Activities of daily living and patient satisfaction after long fusion for adult spinal deformity: a retrospective study
Spinal instrumented arthrodesis improves health-related quality of life (HRQOL), although mobility is impaired. This study evaluates activities of daily livings after thoracolumbosacroiliac arthrodesis for adu...
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Open AccessA case report of revision occipital-cervical fusion after atlanto-axial instrumentation failure for neurofibromatosis type I
Neurofibromatosis type 1 is an autosomal dominant genetic disease with characteristic café-au-lait spots, neurofibroma, and dystrophic changes in the bones. However, complications involving atlanto-axial dislo...
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Article
Open AccessSurgical intervention for vertebral metastases may benefit lung cancer patients no less than other patients: a retrospective study
Spinal metastasis is considered to have a worse prognosis in lung cancer than in other cancers, but recent clinical studies report improved overall survival of lung cancer. We compared the postoperative progno...
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Article
Open AccessSacral stress fracture in an amateur rugby player: a case report
Sacral stress fracture is an uncommon cause of back pain. The majority of previously reported cases have been in runners. The purpose of this case report was to describe a case of sacral stress fracture in an ...
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Article
Open AccessAcute neck pain caused by pseudogout attack of calcified cervical yellow ligament: a case report
Calcification of the yellow ligament sometimes compresses the spinal cord and can induce myelopathy. Usually, the calcification does not induce acute neck pain. We report a case of a patient with acute neck pa...
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Spondylosis and Osteoporotic Vertebral Fractures
Osteoporosis and spondylosis are the most common age-related conditions affecting the spine. Some of the literature on osteoporosis and spondylosis has demonstrated an inverse relationship between them, though...
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Article
Open AccessAcute neck pain caused by septic arthritis of the lateral atlantoaxial joint with subluxation: a case report
Crystal-induced arthritis of the lateral atlantoaxial joint may be intimately involved in acute neck pain in the elderly. Patients typically have a good prognosis, and symptoms usually subside within a few wee...
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Article
Open AccessVertebral osteomyelitis and epidural abscess caused by gas gangrene presenting with complete paraplegia: a case report
Gas gangrene is most often caused by Clostridium perfringens infection. Gas gangrene is a medical emergency that develops suddenly. The mortality rate is higher with trunk involvement than with involvement of the...
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Open AccessRemote cerebellar hemorrhage following thoracic spinal surgery of an intradural extramedullary tumor: a case report
Remote cerebellar hemorrhage is a rare complication of spinal surgery. Although loss of cerebrospinal fluid seems to play an important role in the pathogenesis of this complication, the detailed mechanism of r...
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Open AccessGossypiboma 19 years after laminectomy mimicking a malignant spinal tumour: a case report
Gossypiboma is rare and mostly asymptomatic in chronic cases. It can be confused with other soft tissue masses.
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Open AccessSymptomatic cervical disc herniation in teenagers: two case reports
The development of a symptomatic herniated cervical disc before the age of 20 is extremely rare. Sporadically reported cases of patients with cervical disc herniation under the age of 20 usually have had under...
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Article
Bone-loss pattern of corticosteroid-induced osteopenia in rats: A node-strut analysis of the tibia
The purpose of this study was to determine how corticosteroid-induced osteopenia in rats develops by using conventional bone histomorphometry and node-strut analysis. Seven-month-old female Wistar rats were di...
