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1.
T Takeda T Nakayama S Momoshima T Tsutsui T Kobayashi Y Yuasa M Hirano 《Clinical radiography》1990,35(4):517-520
A 55-year-old male patient with acute onset of abdominal pain was examined. He had no apparent history of abdominal trauma or bleeding tendency. MRI showed three layered architecture, so-called "ring sign" distinctive of hematoma. MRI seemed to be very useful in non-invasively diagnosing intramural duodenal hematoma. 相似文献
2.
Toshiki Takenouchi Sachiko Shimozato Hirokazu Fujiwara Suketaka Momoshima Takao Takahashi 《Brain & development》2012
Posterior cerebral artery (PCA) dissection in children seldom is reported in the literature. This is the second report of acute PCA dissection with infarct occurring in a young child. A serial magnetic resonance angiography demonstrated a delayed and transient narrowing of the arterial caliber, which was consistent with a focal PCA dissection with delayed vascular recanalization. PCA dissection should be included in the causes of infarct in children and a thorough and serial neurovascular imaging should be considered if no cause of stroke is found. 相似文献
3.
S Momoshima E Kohda K Hiramatsu H Asakura 《AJR. American journal of roentgenology》1985,145(5):1057-1060
Thirty-seven patients with ulcerative colitis who had shown inadequate response to conventional medical therapies were given intraarterial infusions of prednisolone via the superior and inferior mesenteric arteries. The therapy was effective in 31 (57%) of 54 infusions, including three of five cases of toxic megacolon. The effectiveness of the therapy correlated well with the clinical assessment of disease activity. There was also a positive correlation between the caliber of the inferior mesenteric artery and the effectiveness of the therapy. Intraarterial infusion of prednisolone can lead to improvement of ulcerative colitis, and this mode of therapy should be considered particularly in severe cases. 相似文献
4.
Iwanami A Kaneko S Nakamura M Kanemura Y Mori H Kobayashi S Yamasaki M Momoshima S Ishii H Ando K Tanioka Y Tamaoki N Nomura T Toyama Y Okano H 《Journal of neuroscience research》2005,80(2):182-190
Recent studies have shown that delayed transplantation of neural stem/progenitor cells (NSPCs) into the injured spinal cord can promote functional recovery in adult rats. Preclinical studies using nonhuman primates, however, are necessary before NSPCs can be used in clinical trials to treat human patients with spinal cord injury (SCI). Cervical contusion SCIs were induced in 10 adult common marmosets using a stereotaxic device. Nine days after injury, in vitro-expanded human NSPCs were transplanted into the spinal cord of five randomly selected animals, and the other sham-operated control animals received culture medium alone. Motor functions were evaluated through measurements of bar grip power and spontaneous motor activity, and temporal changes in the intramedullary signals were monitored by magnetic resonance imaging. Eight weeks after transplantation, all animals were sacrificed. Histologic analysis revealed that the grafted human NSPCs survived and differentiated into neurons, astrocytes, and oligodendrocytes, and that the cavities were smaller than those in sham-operated control animals. The bar grip power and the spontaneous motor activity of the transplanted animals were significantly higher than those of sham-operated control animals. These findings show that NSPC transplantation was effective for SCI in primates and suggest that human NSPC transplantation could be a feasible treatment for human SCI. 相似文献
5.
Matsumoto M Okada E Kaneko Y Ichihara D Watanabe K Chiba K Toyama Y Fujiwara H Momoshima S Nishiwaki Y Hashimoto T Takahata T 《Surgical and radiologic anatomy : SRA》2011,33(3):223-228
Purpose
Wedging of the vertebral body on radiological examination is a valuable indicator of a vertebral compression fracture, although it can also be observed in subjects with no history of trauma. The purpose of this study was to elucidate the normative value of vertebral wedging at the thoracolumbar junction in asymptomatic healthy subjects for differential diagnosis of vertebral compression fractures using MRI.Methods
A total of 115 subjects without back pain at the time of the examination and without history of spinal trauma was included (68 males, 47 females, mean age 49.5?years). They underwent MRI of the thoracic and lumbar spine, and the ratio of anterior vertical height to posterior vertical height of the vertebral body (APR) was determined from T10 to L2 on T2 weighted sagittal images.Results
APR was 0.92?±?0.08 at T10, 0.92?±?0.08 at T11, 0.90?±?0.06 at T12, 0.89?±?0.06 at L1, and 0.90?±?0.07 at L2, indicating that vertebral bodies at the thoracolumbar junction appear wedge-shaped rather than rectangular. Males, thinner subjects, smokers, and subjects with abnormalities of the endplates such as a Schmorl nodule had a significantly smaller APR than females, fatter subjects, non-smokers, and those without endplate abnormalities.Conclusion
The normative values of APR obtained in the present study can represent a valuable reference in the diagnosis of vertebral compression fracture to help prevent confusion with physiological vertebral wedging. 相似文献6.
7.
Suketaka Morita 《Naunyn-Schmiedeberg's archives of pharmacology》1915,78(3-4):188-207
Ohne Zusammenfassung 相似文献
8.
Matsumoto M Ichihara D Okada E Chiba K Toyama Y Fujiwara H Momoshima S Nishiwaki Y Takahata T 《Injury》2012,43(6):912-916
IntroductionLong-term follow-up studies focusing on the posterior extensor muscles in patients suffering from whiplash injury are scarce. The purpose of this study was to elucidate the changes in the posterior extensor muscles 10 years after whiplash injury.MethodsTwenty-three patients who had suffered from whiplash injury in 1994–1996 and had undergone MRI using a 1.5-T superconductive imager participated in this follow-up study (13 males, 10 females, mean age 51.8 years, mean follow-up 11.5 years). In addition, 60 healthy volunteers who had undergone MRI in the same period were included as controls (36 males, 24 females, mean age 47.8 years, mean follow-up 11.1 years). All participants underwent follow-up MRI. The cross-sectional areas of the deep posterior muscles (CSA) including the multifidus, semispinalis cervicis, semispinalis capitis, and splenius capitis were digitally measured at C3-4, C4-5, and C5-6 using NIH image. The long-term changes in the CSA were compared between the two groups. In addition, correlations between the CSA and cervical spine-related symptoms were evaluated.ResultsThe mean total CSA per patient (the sum of the area from C3-4 to C5-6) was 4811.6 ± 878.4 mm2 in the whiplash patients and 4494.9 ± 1032.7 mm2 in the controls at the initial investigation (p = 0.20), and 5173.4 ± 946.1 mm2 and 4713.0 ± 1065.3 mm2 at the follow-up (p = 0.07). The mean change in CSA over time was 361.8 ± 804.9 mm2 in the whiplash patients and 218.1 ± 520.7 mm2 in the controls (p = 0.34). Ten whiplash patients (43.5%) had neck pain and 11 (47.8%) had shoulder stiffness. However, there was no difference in the change in CSA over time between the symptomatic and asymptomatic patients.ConclusionsThere was no significant difference in the change in CSA between whiplash patients and healthy volunteers after a 10-year follow-up period. In both groups, the cross-sectional area slightly increased at follow-up. In addition, there was no association between the change in CSA and clinical symptoms such as neck and shoulder pain. These results suggest that whiplash injury is not associated with symptomatic atrophy of the posterior cervical muscles over the long term. 相似文献
9.
S Momoshima Y Imai Y Sugino Y Sekine K Kumakura 《AJR. American journal of roentgenology》1986,147(4):701-703
Long, linear, shallow barium collections were observed on the surface of the gastric rugae on barium studies of the upper gastrointestinal tract in 12 patients. These abnormalities have been confirmed endoscopically to represent long, continuous linear erosions of the gastric mucosa due to erosive gastritis. 相似文献
10.