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排序方式: 共有129条查询结果,搜索用时 15 毫秒
1.
Kohei Hashizume Hideo Kawarasaki Tadashi Iwanaka Yutaka Kanamori Kiyoshi Tanaka Tadahito Utsuki Hiroaki Komuro Kaoru Uno 《Surgery today》1993,23(4):293-297
It has been well documented that piriform sinus fistulae often cause suppurative thyroditis; however, when a piriform sinus fistula does not present this symptom, making a correct diagnosis is very difficult. We have experienced 11 cases of a piriform sinus fistula. The conventional operational approach was performed in the initial eight patients, among which there were four recurrences in two patients. Therefore, a new operational approach was introduced for the three most recent cases and one recurrent case. First, the existence of the internal orifice of the fistula is confirmed with a laryngoscope, after which a transverse incision on the neck is made and the abscess dissected. The side wall of the piriform sinus is then opened with the help of a laryngoscope and the bottom part of the mucosa of the sinus transected with the internal orifice of the fistula, after which the fistula is removed en bloc with the bottom part of the sinus and abscess cavity. Using this operation, we experienced no complications and there has been no recurrence so far.This paper was presented at the 23rd Annual Meeting of Pacific Association of Pediatric Surgeons, June 1990 in Kona, Hawaii. 相似文献
2.
Kuniaki Nakahara Satoru Shimizu Satoshi Utsuki Sachio Suzuki Hidehiro Oka Kiyotaka Fujii 《Child's nervous system》2007,23(8):863-865
Objects We evaluated whether the presence of lacunar skull deformity (LSD) with myelomeningocele is a predictive factor for subsequent
hydrocephalus development.
Materials and methods We reviewed the clinical and radiological records of 18 infants with myelomeningocele, divided the patients into groups with
(group A, n=9) and without (group B, n=9) ventriculomegaly at birth and assessed whether the presence of LSD was predictive of the necessity for ventriculoperitoneal
shunt (VPS) placement.
Results LSD was present in five group A patients. All nine group A patients underwent VPS placement. Among the group B patients, five
had LSD; they underwent VPS placement. A significantly higher proportion of those with ventricle enlargement or LSD at birth
required VPS placement (p=0.0001).
Conclusion Adding to the ventriculomegaly at birth, the presence of LSD alerts to the necessity to monitor these infants closely to determine
the necessity for VPS placement. 相似文献
3.
K Yamamoto T Miyoshi-Koshio Y Utsuki S Mizuno K Suzuki 《The Journal of infectious diseases》1991,164(1):8-14
Influenza virus (IFV) was inactivated by treatment with degranulated fluid (DF) or myeloperoxidase (MPO) from human polymorphonuclear leukocytes in the presence of H2O2. Hemagglutinin and neuraminidase activities of the virus were also reduced by DF treatment. In addition, treatment with DF or MPO in the presence of H2O2 resulted in delayed migration of viral proteins in SDS-PAGE, indicating extensively modified viral proteins. Parallel with this aberrant migration, the radioactivity of each protein band on SDS-PAGE using [35S]methionine-labeled IFV was greatly reduced. Moreover, some of the modified viral protein did not migrate. A small amount of acid-soluble degraded viral peptide was also generated. The modification of the proteins was exhibited in all major viral proteins, including the inner proteins in the envelope. These results suggest that inactivation of IFV and protein modification by DF is due to MPO present in DF. 相似文献
4.
Kohei Hashizume Toshio Nakajo Hideo Kawarazki Tadashi Iwanaka Yutaka Kanamori Kiyoshi Tanaka Tadahito Utsuki Kaoru Uno Mashiro Mizuno 《Pediatrics international》1990,32(5):559-562
The case of a 1 year and 6 months old girl with pleomorphic adenoma arising from the upper middle part of the neck is reported. Although the tumor invaded the hyoid bone, it was removed completely and symptoms of upper airway obstruction disappeared. We suspect it may have originated from thyroglossal duct structures. 相似文献
5.
Utsuki S Kawano N Oka H Shimizu S Sagiuchi T Saegusa H Fujii K Yagishita S Okabe H 《Clinical neuropathology》2000,19(1):7-12
The patient was a 54-year-old man, who had lost his sense of smell 6 years previously and had started to become forgetful about 6 months prior to presenting at hospital. MRI admission showed a large multicystic tumor with Gd-DTPA enhancement extending from the anterior cranial fossa through the sphenoid sinus and into the nasal cavity. Histopathological examination revealed extensive proliferation of small round cells that were divided by connective tissue septae. The tumor cells occasionally formed tubular structures, although no basement membranes were present. On immunostaining, round tumor cells were positive for neuron-specific enolase, synaptophysin, and chromogranin A, while cells forming tubules were positive for AE 1 and CAM 5.2. Almost all of the tumor cells were positive for Ber-EP4, and some of the epithelioid cells surrounding the tubular structures were also positive for luteinizing hormone-releasing hormone (LH-RH). Electron microscopy demonstrated sporadic intercellular junctions, many microtubules in the tumor cell processes, and clear- and dense-cored vesicles in the cytoplasm. Based on the results, this case appears to be the first documented neuroepithelioma with Ber-EP4- and LH-RH-positive cells arising from the olfactory placode. 相似文献
6.
Intractable seizures associated with proximal migration of a ventriculoperitoneal shunt. Case report
Yamazaki T Shimizu S Sagiuchi T Iwasaki T Utsuki S Suzuki S Fujii K 《Neurologia medico-chirurgica》2005,45(11):600-603
A 6-year-old girl, who had received a ventriculoperitoneal (VP) shunt using the Codman-Hakim programmable valve system at age 3 months, presented with intractable seizures. Neuroimaging studies showed migration of the proximal part of the system, including the prechamber, into the cranium through the right frontal burr hole. Electroencephalography showed spike-and-wave complexes in the right hemisphere including the site of the migration. The ictus was resolved following revision surgery. The clinical findings suggested the seizures were due to irritation of the brain parenchyma by the migrated system. Proximal migration of a VP shunt may cause both shunt failure and additional focal symptoms. 相似文献
7.
Utsuki S Oka H Tanaka S Iwamoto K Hasegawa H Hirose R Fujii K 《Neurologia medico-chirurgica》2005,45(6):327-330
A 48-year-old woman was admitted to our institution complaining of headache and a 2-month history of blurred vision and increased urinary volume. T(1)-weighted magnetic resonance (MR) imaging with gadolinium showed a ring-enhanced mass lesion in the pituitary. Fluid-attenuated inversion recovery MR imaging showed high-intensity lesions in the optic nerves, hypothalamus, and thalamus. The histological diagnosis was pituitary abscess. The blurred vision was caused by inflammation, but not compression, of the optic nerves due to the pituitary abscess outside the hypophysis. 相似文献
8.
Experimental amyloidosis was induced in male albino rabbits and male mice (DD-strain) with repeated administrations of either antigen-antibody complexes or antigen and/or Freund's complete adjuvant for a long time. Spleen, lymphnodes, liver and kidneys were studied by light microscopy and fluorescent antibody technique, using anti-rabbit IgG, anti-mouse IgG, anti-HGG or anti-BSA as antisera.
The homogenous substances of liver and spleen were induced in both animals in high frequency. The deposits in the lymphnodes and kidneys were also present in a minority of cases.
The peripheral areas or a portion of these substances which were consistent physico-chemically with para-amyloid showed weakly positive reaction with fluorescent anti-HGG or anti-BSA in the same specimen in spite of the existence of large amounts of antibodies.
The tissue toxicity of immune complex may play a significant role in the pathogenesis of amyloidosis in the consideration of the concurrent systemic vascular changes and immune dissociation which suggest the possibility of disturbed immune mechanisms as a common causative background. In the present study using insoluble complexes, some questions still remain to be solved on the pathogenesis of amyloidosis. 相似文献
The homogenous substances of liver and spleen were induced in both animals in high frequency. The deposits in the lymphnodes and kidneys were also present in a minority of cases.
The peripheral areas or a portion of these substances which were consistent physico-chemically with para-amyloid showed weakly positive reaction with fluorescent anti-HGG or anti-BSA in the same specimen in spite of the existence of large amounts of antibodies.
The tissue toxicity of immune complex may play a significant role in the pathogenesis of amyloidosis in the consideration of the concurrent systemic vascular changes and immune dissociation which suggest the possibility of disturbed immune mechanisms as a common causative background. In the present study using insoluble complexes, some questions still remain to be solved on the pathogenesis of amyloidosis. 相似文献
9.
Sagiuchi T Oka H Utsuki S Sato K Kobayashi I Asano Y Ishii K Fujii K 《Annals of nuclear medicine》2005,19(7):603-606
We present a 21-year-old woman with tumefactive multiple sclerosis (MS) that exhibited a rapidly progressive course. There were multiple tumor-mimicking contrast-enhance lesions with surrounding edema and mass effect on magnetic resonance imaging. Both early and delayed brain single photon emission computed tomography (SPECT) with N-isopropyl-p-[123I]-iodoamphetamine demonstrated increased accumulations of the tracer and a high retention on the lesions. The SPECT findings represent a diagnostic pitfall for distinguishing MS from malignant brain tumors in patients with intracranial tumor-like lesions. 相似文献
10.
A 35-year-old man presented with a rare case of nevoid basal cell carcinoma syndrome, or Gorlin's syndrome, associated with both medulloblastoma and meningioma, manifesting as visual field constriction due to multiple parasellar tumors. He had undergone resection of a medulloblastoma at the age of 1 year 9 months, followed by adjunctive irradiation with a total dose of 40 Gy. He presented with multiple subcutaneous nodules on his face and neck. Histological examination of biopsy specimens established the diagnosis of nevoid basal cell carcinoma syndrome. Tuberculum sellae meningioma was removed through a craniotomy, and his symptoms improved. Meningioma is known to occur in the field of therapeutic irradiation, so chemotherapy may be a better option for medulloblastoma associated with nevoid basal cell carcinoma syndrome. 相似文献