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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
Open AccessAtomistic weak interaction criterion for the specificity of liquid metal embrittlement
Liquid metal embrittlement (LME) occurs in some solid–liquid metal elements’ couples (e.g., Fe-Zn and Al-Ga), called specificity. Although some material parameters like solubility and bonding energy were sugge...
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Article
Cervical endplate bone density distribution measured by CT osteoabsorptiometry and direct comparison with mechanical properties of the endplate
Intervertebral device subsidence is one of the complications of anterior cervical discectomy and fusion. The biomechanical properties of vertebral bony endplate may be related to device subsidence. The aim of ...
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Article
Androgen receptor expression is useful to predict the therapeutic effect in HER2-positive breast carcinoma
Although HER2-positive (HER2+) invasive breast carcinomas (BC) have a different clinical therapeutic responsiveness according to estrogen and progesterone receptor expression, the relationship with androgen re...
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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 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
One-Step Synthesis of a High Performance Pt-Fe3O4 Catalyst: Intermetallic Al13Fe4 as a Platform and Precursor
A one-step process was developed to prepare catalysts with monodispersed Pt nanocrystals on Fe3O4, based on leaching of the intermetallic compounds Al76.5−xFe23.5Ptx (at%: x = 0, 0.05, 0.5, 1) with an aqueous 10 ...
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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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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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Article
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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Article
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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Article
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
Direct imaging of hydrogen-atom columns in a crystal by annular bright-field electron microscopy
The resolution of electron microscopy has increased through the years, and scientists have been able to measure progressively lighter elements. The ultimate goal has now been reached with the imaging of hydrog...
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Article
Open AccessCircumferential thoracolumbar corrective fusion with an anterior interbody fresh-frozen femoral head allograft for osteoporotic lower acute kyphosis: a case report
Lower acute kyphosis (LAK) is a postural deformity caused by severe osteoporotic vertebral collapse at the thoracolumbar junction. Corrective surgery is indicated for severe cases, but no case report using a f...
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Article
Quasicrystals as cluster aggregates
Quasicrystals are solids that exhibit symmetries long thought forbidden in nature. Since their discovery in a rapidly solidified Al–Mn alloy in 1984, the central issue in the field has been to understand why t...
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Article
Multicentric osteosarcoma with long-term survival
We present a 14-year-old girl with multicentric osteosarcoma who has survived for over 9 years to date. The patient first noticed right knee pain in 1992. Radiographs showed a destructive and sclerotic lesion ...
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Article
Direct observation of a local thermal vibration anomaly in a quasicrystal
Quasicrystals have long-range order with symmetries that are incompatible with periodicity, and are often described with reference to a higher-dimensional analogue of a periodic lattice1,2,3. Within the context o...
