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Holc F, Albani-Forneris A, Kido G, Beltrame S, Petracchi M, Gruenberg M, Sola C, Camino-Willhuber G. Independent inter and intra-observer agreement of the Schizas's classification of degenerative lumbar stenosis: Comparison among three levels of surgical training. Rev Esp Cir Ortop Traumatol (Engl Ed) 2023; 67:175-180. [PMID: 36240990 DOI: 10.1016/j.recot.2022.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 09/27/2022] [Accepted: 10/01/2022] [Indexed: 05/07/2023] Open
Abstract
INTRODUCTION AND OBJECTIVES Lumbar spinal stenosis is a common age-related condition that affects the quality of life. Multiple classifications have been developed to quantify the severity of stenosis affecting comparison between studies and homogenous communication among surgeons and researchers. Even though this classification has not shown a direct clinical correlation, Schizas's classification appears to be a simple method to assess stenosis. Our objective was to evaluate the inter and intraobserver independent agreement of the Schizas's classification to assess stenosis severity. Additionally, we aimed to compare agreement among three levels of training in spine surgery. MATERIALS AND METHODS An independent inter and intra observer agreement was conducted among junior, senior orthopedic residents and attending spine surgeons. Ninety lumbar levels from 30 patients were evaluated by 16 observers. Weighted kappa agreement was used. RESULTS Overall interobserver and intraobserver agreement was of 0.57 (95% CI=0.52-0.63) and 0.69 (0.55-0.79), respectively. Interobserver agreement according to level of training yielded values of 0.53 (0.46-0.60) for junior residents, 0.61 (0.54-0.67) for senior residents and 0.67 (0.59-0.74) for attendings. Intraobserver agreement was of 0.54 (0.48-0.60) for junior, 0.60 (0.55-0.66) for senior and 0.66 (0.60-0.72) for attendings. CONCLUSION The Schizas's classification showed moderate interobserver and substantial intraobserver agreement. Among attending surgeons, substantial inter and intraobserver agreement was observed. The classification allowed acceptable communication among trained spine surgeons.
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Affiliation(s)
- F Holc
- Orthopaedic and Traumatology Department, Institute of Orthopedics "Carlos E. Ottolenghi," Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - A Albani-Forneris
- Orthopaedic and Traumatology Department, Institute of Orthopedics "Carlos E. Ottolenghi," Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - G Kido
- Orthopaedic and Traumatology Department, Institute of Orthopedics "Carlos E. Ottolenghi," Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - S Beltrame
- Orthopaedic and Traumatology Department, Institute of Orthopedics "Carlos E. Ottolenghi," Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - M Petracchi
- Orthopaedic and Traumatology Department, Institute of Orthopedics "Carlos E. Ottolenghi," Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - M Gruenberg
- Orthopaedic and Traumatology Department, Institute of Orthopedics "Carlos E. Ottolenghi," Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - C Sola
- Orthopaedic and Traumatology Department, Institute of Orthopedics "Carlos E. Ottolenghi," Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - G Camino-Willhuber
- Orthopaedic and Traumatology Department, Institute of Orthopedics "Carlos E. Ottolenghi," Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Department of Orthopaedics, University of California at Irvine, 101 The City Drive South, Orange, CA 92868, USA.
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Holc F, Albani-Forneris A, Kido G, Beltrame S, Petracchi M, Gruenberg M, Sola C, Camino-Willhuber G. Independent inter and intra-observer agreement of the Schizas's classification of degenerative lumbar stenosis: Comparison among three levels of surgical training. Rev Esp Cir Ortop Traumatol (Engl Ed) 2023; 67:T175-T180. [PMID: 36858284 DOI: 10.1016/j.recot.2023.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/01/2022] [Indexed: 03/02/2023] Open
Abstract
INTRODUCTION AND OBJECTIVES Lumbar spinal stenosis is a common age-related condition that affects the quality of life. Multiple classifications have been developed to quantify the severity of stenosis affecting comparison between studies and homogenous communication among surgeons and researchers. Even though this classification has not shown a direct clinical correlation, Schizas's classification appears to be a simple method to assess stenosis. Our objective was to evaluate the inter and intraobserver independent agreement of the Schizas's classification to assess stenosis severity. Additionally, we aimed to compare agreement among three levels of training in spine surgery. MATERIALS AND METHODS An independent inter and intra observer agreement was conducted among junior, senior orthopedic residents and attending spine surgeons. Ninety lumbar levels from 30 patients were evaluated by 16 observers. Weighted kappa agreement was used. RESULTS Overall interobserver and intraobserver agreement was of 0.57 (95% CI=0.52-0.63) and 0.69 (0.55-0.79), respectively. Interobserver agreement according to level of training yielded values of 0.53 (0.46-0.60) for junior residents, 0.61 (0.54-0.67) for senior residents and 0.67 (0.59-0.74) for attendings. Intraobserver agreement was of 0.54 (0.48-0.60) for junior, 0.60 (0.55-0.66) for senior and 0.66 (0.60-0.72) for attendings. CONCLUSION The Schizas's classification showed moderate interobserver and substantial intraobserver agreement. Among attending surgeons, substantial inter and intraobserver agreement was observed. The classification allowed acceptable communication among trained spine surgeons.
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Affiliation(s)
- F Holc
- Orthopaedic and Traumatology Department, Institute of Orthopedics Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - A Albani-Forneris
- Orthopaedic and Traumatology Department, Institute of Orthopedics Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - G Kido
- Orthopaedic and Traumatology Department, Institute of Orthopedics Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - S Beltrame
- Orthopaedic and Traumatology Department, Institute of Orthopedics Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - M Petracchi
- Orthopaedic and Traumatology Department, Institute of Orthopedics Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - M Gruenberg
- Orthopaedic and Traumatology Department, Institute of Orthopedics Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - C Sola
- Orthopaedic and Traumatology Department, Institute of Orthopedics Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - G Camino-Willhuber
- Orthopaedic and Traumatology Department, Institute of Orthopedics Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Department of Orthopaedics, University of California at Irvine, Orange, CA, Estados Unidos.
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Molho N, Pereira-Duarte M, Estefan M, Pérez-Abdala J, Kido G, Petracchi M, Gruenberg M, Sola C, Cabrera J, Camino-Willhuber G. [Artículo traducido] Complicaciones relacionadas con la herida en el tratamiento quirúrgico de la enfermedad metastásica vertebral: análisis de una serie de casos. Rev Esp Cir Ortop Traumatol (Engl Ed) 2022; 66:T20-T26. [DOI: 10.1016/j.recot.2022.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 10/27/2021] [Indexed: 10/17/2022] Open
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Molho N, Pereira-Duarte M, Estefan M, Perez-Abdala J, Kido G, Petracchi M, Gruenberg M, Sola C, Cabrera J, Camino-Willhuber G. Wound-related complications in the surgical treatment of vertebral metastatic disease – A case series analysis. Rev Esp Cir Ortop Traumatol (Engl Ed) 2022; 66:438-444. [DOI: 10.1016/j.recot.2021.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/06/2021] [Accepted: 10/27/2021] [Indexed: 11/27/2022] Open
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Camino Willhuber G, Kido G, Mereles M, Bassani J, Petracchi M, Elizondo C, Gruenberg M, Sola C. Factors associated with lumbar disc hernia recurrence after microdiscectomy. Rev Esp Cir Ortop Traumatol (Engl Ed) 2017. [DOI: 10.1016/j.recote.2017.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Camino Willhuber G, Kido G, Mereles M, Bassani J, Petracchi M, Elizondo C, Gruenberg M, Sola C. Factors associated with lumbar disc hernia recurrence after microdiscectomy. Rev Esp Cir Ortop Traumatol (Engl Ed) 2017; 61:397-403. [PMID: 28899699 DOI: 10.1016/j.recot.2017.07.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Revised: 07/02/2017] [Accepted: 07/12/2017] [Indexed: 12/19/2022] Open
Abstract
INTRODUCTION Lumbar disc hernias are a common cause of spinal surgery. Hernia recurrence is a prevalent complication. OBJECTIVE To analyse the risk factors associated with hernia recurrence in patients undergoing surgery in our institution. MATERIALS AND METHODS Lumbar microdiscectomies between 2010 and 2014 were analysed, patients with previous surgeries, extraforaminales and foraminal hernias were excluded. Patients with recurrent hernia were the case group and those who showed no recurrence were the control group. RESULTS 177 patients with lumbar microdiscectomy, of whom 30 experienced recurrence (16%), and of these 27 were reoperated. Among the risk factors associated with recurrence, we observed a higher rate of disc height, higher percentage of spinal canal occupied by the hernia and presence of degenerative facet joint changes; we observed no differences in sex, body mass index or age. DISCUSSION Previous studies show increased disc height and young patients as possible factors associated with recurrence. CONCLUSION In our series we found that the higher rate of disc height, the percentage of spinal canal occupied by the hernia and degenerative facet joint changes were associated with hernia recurrence.
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Affiliation(s)
- G Camino Willhuber
- Instituto de Ortopedia y Traumatología Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.
| | - G Kido
- Instituto de Ortopedia y Traumatología Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - M Mereles
- Instituto de Ortopedia y Traumatología Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - J Bassani
- Instituto de Ortopedia y Traumatología Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - M Petracchi
- Instituto de Ortopedia y Traumatología Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - C Elizondo
- Instituto de Ortopedia y Traumatología Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - M Gruenberg
- Instituto de Ortopedia y Traumatología Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - C Sola
- Instituto de Ortopedia y Traumatología Carlos E. Ottolenghi, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
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Hamasaki A, Sakaguchi Y, Nishizawa K, Kido G, Wakasa M. Magnetic field effects on the reaction of a triplet-born radical pair consisting of two equivalent sulphur-centre radicals under ultrahigh fields of up to 28 T. Mol Phys 2006. [DOI: 10.1080/00268970600566096] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Kato S, Nigo S, Uno Y, Onisi T, Kido G. Voltage-induced insulator-metal transition at room temperature in an anodic porous alumina thin film. ACTA ACUST UNITED AC 2006. [DOI: 10.1088/1742-6596/38/1/036] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Kido G, Miura N, Kawauchi K, Oguro I, Chikazumi S. Technique for measuring infrared cyclotron resonance in ultrahigh magnetic fields. ACTA ACUST UNITED AC 2001. [DOI: 10.1088/0022-3735/9/7/022] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Kido G, Miura N, Katayama H, Chikazumi S. Technique for measuring magneto-optical spectra in ultrahigh magnetic field by means of an image converter camera. ACTA ACUST UNITED AC 2000. [DOI: 10.1088/0022-3735/14/3/020] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Li DX, Haga Y, Shida H, Suzuki T, Koide T, Kido G. Magnetic behavior of stoichiometric and nonstoichiometric GdAs single crystals. Phys Rev B Condens Matter 1996; 53:8473-8480. [PMID: 9982351 DOI: 10.1103/physrevb.53.8473] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Urushibara A, Moritomo Y, Arima T, Asamitsu A, Kido G, Tokura Y. Insulator-metal transition and giant magnetoresistance in La1-xSrxMnO3. Phys Rev B Condens Matter 1995; 51:14103-14109. [PMID: 9978336 DOI: 10.1103/physrevb.51.14103] [Citation(s) in RCA: 343] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Yasui T, Segawa Y, Aoyagi Y, Iimura Y, Bauer GE, Mogi I, Kido G. Exciton states in two-dimensional systems of GaAs/AlAs multi-quantum-well structures under high magnetic fields. Phys Rev B Condens Matter 1995; 51:9813-9819. [PMID: 9977652 DOI: 10.1103/physrevb.51.9813] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Miyagami M, Miyagi A, Kido G, Satoh K, Tsubokawa T. [The two familial occurrence of von Hippel-Lindau disease]. No To Shinkei 1994; 46:683-689. [PMID: 7946625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Five cases of von Hippel-Lindau disease in two families were reported. In one family there were 2 cases in a mother (55 years old) and her daughter (26 years old) which had multiple hemangioblastomas in the optic nerve, cerebellum and spinal cord in each case. Retinal angioma appeared in the case of daughter, but not in the mother. In the other family there were 3 cases in a father (28 years old), his son (11 years old) and daughter (14 years old). All of them had retinal angioma and cerebellar hemangioblastoma. Two cases out of 5 cases in the two families were associated with abdominal organ diseases which were renal cell carcinoma in a case and pancreas cyst in the other. The familial occurrence of von Hippel-Lindau disease in Japan was recognized in 21 families with 103 cases including our cases. On the study of reported cases hemangioblastoma frequently occurred in multiple region such as cerebellum, medulla oblongata and frequently presented with renal cell carcinoma, pheochromocytoma and cyst in pancreas, kidney and liver. The location of hemangioblastoma and combined disease was similar in cases in each family. The age of onset of von Hippel-Lindau disease in the second generation was younger than that of the first generation.
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Affiliation(s)
- M Miyagami
- Department of Neurological Surgery, School of Medicine Nihon University, Tokyo, Japan
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Takabatake T, Tanaka H, Bando Y, Fujii H, Nishigori S, Suzuki T, Fujita T, Kido G. Anisotropic physical properties of the Kondo semiconductor CeRhSb. Phys Rev B Condens Matter 1994; 50:623-626. [PMID: 9974595 DOI: 10.1103/physrevb.50.623] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Miyagami M, Miyagi A, Kido G, Tsubokawa T. [Clinical study on the recurrence of meningiomas: correlating factors for the recurrence and therapeutic prognosis of meningiomas]. No Shinkei Geka 1994; 22:421-8. [PMID: 8196827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Authors have studied 128 cases of meningiomas which were operated on and examined histologically. 12 cases (11.3%) of 106 cases of the meningiomas followed up for more than 5 years after surgery had recurrence after the primary operation. The distribution of age and sex, the tumor location, the histological type, the extent of tumor evacuation and AgNORs counts and BrdU labeling index for the evaluation of tumor proliferation were studied comparatively in the two groups, the recurrent and nonrecurrent meningiomas. 8 cases (19.0%) of 42 cases of the meningiomas in the age-group lower than 50 years old were recurrent cases, whereas 4 cases (6.0%) of 67 cases in the age-group over 50 years old were non-recurrent. Concerning the sex distribution of the meningiomas in our cases recurrent rate was 20.5% among males and 6.0% among females. The tumor locations of the meningiomas did not correlate significantly with recurrence. The extent of tumor removal demonstrated Simpson grade I (47 cases), grade II (37 cases), grade III (17 cases), grade IV (5 cases) on primary operation. Recurrence was found in 11 cases (13.1%) of 84 cases operated on by total removal of Simpson grade I or grade II. 8 cases of 11 cases had recurrence within 5 years after the primary operation of Simpson grade I or II. Total removal of the tumor was important in order to bring about long survival after operation. But correlation between the extent of tumor removal and recurrence was not able to be recognized. Histologically, all of the malignant, atypical and papillary type of meningiomas treated in the primary operations had recurrence.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- M Miyagami
- Department of Neurological Surgery, Nihon University School of Medicine
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Kido G, Miyagi A, Shibuya T, Miyagami M, Tsubokawa T, Sawada T. [Turner's syndrome with pituitary hyperplasia: a case report]. No Shinkei Geka 1994; 22:333-8. [PMID: 8164797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Turner's syndrome, a sex-chromosome abnormality, is often accompanied by cardiovascular disorders, such as coarctation of the aorta. We encountered a case of Turner's syndrome with meningioma and pituitary hyperplasia which resulted in death from dissection of the aorta. The patient was 36-year-old female who was diagnosed as having Turner's syndrome of mosaic-type at the age of 15. She had accepted sex-hormone replacement with estrogen and progesterone over 20 years. She lost consciousness and was transferred to our institute on June 20th, 1992. She was in shock but her condition began to improve after intensive treatment. CT scan revealed a calcified mass lesion at the left frontal convexity and a markedly enhanced round mass lesion at the suprasellar region. Angiography showed tumor stain of the suprasellar region fed by the posterior ethmoidal artery. These tumors were diagnosed as multiple meningiomas. She developed dyspnea on June 24th and chest X-ray showed right pleural fluid collection and cardiomegaly. This condition was diagnosed as congestive heart failure. Her condition was getting worse and she suffered abrupt cardiac arrest on June 28th. Autopsy revealed dissection of the aorta as the cause of death. The tumor of the convexity was meningioma, and the suprasellar lesion was diagnosed as pituitary hyperplasia. It is well known that frequent excess dose injection of estrogen can induce pituitary adenoma or hyperplasia in rats. In this case, the presence of pituitary hyperplasia was thought to be the result of long-term injection of estrogen.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- G Kido
- Department of Neurological Surgery, Nihon University School of Medicine
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Miyagi A, Iwasaki M, Shibuya T, Kido G, Kushi H, Miyagami M, Tsubokawa T. Pituitary adenoma combined with Rathke's cleft cyst--case report. Neurol Med Chir (Tokyo) 1993; 33:643-50. [PMID: 7505406 DOI: 10.2176/nmc.33.643] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
A rare pituitary adenoma associated with Rathke's cleft cyst was discovered incidentally in a 44-year-old male admitted after head trauma. Neurological and physiological examination found no abnormalities, except for panhypopituitarism. Computed tomography and magnetic resonance imaging demonstrated a solid mass in the sellar cavity with suprasellar extension, associated with a cystic mass extending into the third ventricle. The tumor was removed subtotally by the transcranial approach. Light microscopy demonstrated that the cyst wall was composed of ciliated columnar cells, cuboidal cells, and goblet cells, and the solid part indicated chromophobe pituitary adenoma. Immunohistochemistry demonstrated that a few adenoma cells were positive for prolactin and the cyst wall cells were positive for cytokeratin and negative for S-100 protein.
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Affiliation(s)
- A Miyagi
- Department of Neurosurgery, Nihon University School of Medicine, Tokyo
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Kojima N, Kawarazaki M, Mogi I, Takeda M, Kido G, Nakagawa Y. Bound state of an exciton-magnon system under high magnetic fields. I. MnF2. Phys Rev B Condens Matter 1993; 47:15086-15090. [PMID: 10005883 DOI: 10.1103/physrevb.47.15086] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Miyagi A, Kido G, Miyagami M, Tsubokawa T. [Central neurocytoma--report of a case]. No To Shinkei 1993; 45:77-83. [PMID: 8476657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The authors present a case of central neurocytoma in a 23-year-old male with increased intracranial pressure syndrome. Computed tomographic (CT) scans and magnetic resonance images showed a large tumor mass with no evidence of calcification in the right lateral ventricle extending towards the third ventricle. A right transcortical-transventricular approach was performed and the tumor was totally removed. The postoperative course was uneventful and no further treatment was administered. CT shows no evidence of tumor recurrence after the six months from his surgery. Light microscopic findings suggested a diagnosis of oligodendroglioma. However, ultrastructural examinations demonstrated many dense-core or clear vesicles, microtubules and synaptic like structures within the abundant cytoplasmic processes of the tumor cells which suggested neuronal differentiation. Immunohistochemical examinations showed the tumor cells to be positive for neuron-specific enolase, sporadically positive for synaptophysin, and negative for glial fibrillary acidic protein. The final histological diagnosis was central neurocytoma. Central neurocytoma was first described by Hassoun et al, in 1982. Since then, 96 cases have been reported in the literatures. Their clinicopathological features, neuroradiological findings and prognosis are discussed.
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Affiliation(s)
- A Miyagi
- Department of Neurosurgery, Nihon University, School of medicine, Tokyo, Japan
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Górska M, Anderson JR, Kido G, Green SM, Golacki Z. Exchange interaction in rare-earth-doped IV-VI diluted magnetic semiconductors. Phys Rev B Condens Matter 1992; 45:11702-11708. [PMID: 10001185 DOI: 10.1103/physrevb.45.11702] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Takabatake T, Nagasawa M, Fujii H, Kido G, Nohara M, Nishigori S, Suzuki T, Fujita T, Helfrich R, Ahlheim U, Fraas K, Geibel C, Steglich F. Anisotropic suppression of the energy gap in CeNiSn by high magnetic fields. Phys Rev B Condens Matter 1992; 45:5740-5743. [PMID: 10000306 DOI: 10.1103/physrevb.45.5740] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Lim DW, Kato H, Yamada M, Kido G, Nakagawa Y. High-field magnetization process and spin reorientation in (Nd1-xDyx)2Fe14B single crystals. Phys Rev B Condens Matter 1991; 44:10014-10020. [PMID: 9999003 DOI: 10.1103/physrevb.44.10014] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Kido G, Wright JL, Merchant RE. Acute effects of human recombinant tumor necrosis factor-alpha on the cerebral vasculature of the rat in both normal brain and in an experimental glioma model. J Neurooncol 1991; 10:95-109. [PMID: 1716671 DOI: 10.1007/bf00146870] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The effects of intravenous (IV) infusion of human recombinant tumor necrosis factor-alpha (rTNF-alpha, Cetus) on normal brain and malignant glioma in rats were examined. Twelve Fischer 344 rats were given either a single injection of 10(6) U rTNF-alpha or injections of 5 x 10(5) U rTNF-alpha for three days. One day post-rTNF-alpha injection(s), rats were injected IV with horseradish peroxidase (HRP) to determine blood-brain barrier (BBB) breakdown and, one hour later, were perfused with an aldehyde fixative and processed for histologic examination. Treatment of normal rats with rTNF-alpha by either dosage or schedule caused no remarkable histopathologic changes in the brain and no alteration in BBB integrity. Human glioma models were produced by intracerebal inoculation of 10(4) syngeneic RT-2 glioma cells into the right parietal lobe of 30 rats. Animals received single IV injections of 10(6) U human rTNF-alpha or its excipient (TNF-E) as above on day 3, 7, or 10 post-tumor inoculation or multiple injections of 5 x 10(5) U rTNF-alpha beginning on day 7, 10, or 12 post-tumor inoculation. With a single IV injection of either rTNF-alpha or its excipient, 3-day models showed a similar pattern of HRP extravasation limited to the extracellular space of the tumor inoculation site. In 7-day models treated with a single IV injection of rTNF-alpha or TNF-E, HRP extravasated throughout the tumor, but did not exceed peritumoral margins. In 10-day models treated with a single injection of TNF-E, HRP was found only in the tumor and immediate peritumoral regions while rTNF-alpha-treated rats showed more extensive areas of BBB breakdown with HRP evident throughout the entire right hemisphere and extending via the corpus callosum into the contralateral hemisphere. Pericapillary halos were also evident around the small blood vessels within the edematous areas of the corpus callosum. Within tumors, hemorrhagic necrosis and adherence of neutrophils to vessels was observed only in animals treated with rTNF-alpha at 10 days post-tumor inoculation. Multiple IV injections of rTNF-alpha in 7 and 10-day models triggered widespread hemorrhagic necrosis, neutrophil adherence and infiltration in the tumor. There was also extravasation and diffusion of HRP from the site of glioma into the contralateral hemisphere. Twelve-day models treated with multiple rTNF-alpha injections, in addition, showed irregular luminal surfaces and gaps between adjacent endothelial cells of tumor vasculature.(ABSTRACT TRUNCATED AT 400 WORDS)
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Affiliation(s)
- G Kido
- Department of Surgery, Medical College of Virginia, Virginia Commonwealth University, Richmond
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Sgarna R, Kido G, Katunuma N. Sphingosine inhibition of tyrosine aminotransferase and tryptophan oxygenase induction by dexamethasone in primary culture of rat hepatocytes. Biochem Biophys Res Commun 1990; 168:823-9. [PMID: 1970728 DOI: 10.1016/0006-291x(90)92395-g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The effect of sphingosine, a known selective inhibitor of protein kinase C, on the induction of tyrosine aminotransferase (TAT) and tryptophan oxygenase (TO) by dexamethasone was studied in the primary culture of rat hepatocytes to determine the possible involvement of protein kinase C in the expression of glucocorticoid action. Sphingosine inhibits the induction of TAT by dexamethasone in a concentration- and time-dependent manner in primary culture of rat hepatocytes. It does not inhibit the induction of TAT by Bt2cAMP. Sphingosine inhibits also the induction of TO by dexamethasone in a manner similar to TAT inhibition. It has no effect on the activity of lactate dehydrogenase, a cytosolic marker enzyme and on the protein content of the cultured hepatocytes. These findings indicate that endogenous modulator of protein kinase C, such as sphingosine, may influence the expression of glucocorticoid action in rat hepatocytes.
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Affiliation(s)
- R Sgarna
- Division of Enzyme Chemistry, University of Tokushima, Japan
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Anderson JR, Kido G, Nishina Y, Górska M, Kowalczyk L, Golacki Z. Influence of pair-exchange interaction on the magnetization of IV-VI-compound diluted magnetic semiconductors. Phys Rev B Condens Matter 1990; 41:1014-1018. [PMID: 9993797 DOI: 10.1103/physrevb.41.1014] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Ido H, Yasuda S, Kido M, Kido G, Miyakawa T. EFFECT OF HIGH PRESSURE AND HIGH MAGNETIC FIELD ON MAGNETISM OF MnAs1-xSbx (0 ≤ x ≤ 0.3). ACTA ACUST UNITED AC 1988. [DOI: 10.1051/jphyscol:1988870] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Yoshimura K, Nitta T, Mekata M, Shimizu T, Sakakibara T, Goto T, Kido G. Anomalous high-field magnetization and negative forced volume magnetostriction in Yb1-xMxCu2 (M=In and Ag)-evidence for valence change in high magnetic fields. Phys Rev Lett 1988; 60:851-854. [PMID: 10038669 DOI: 10.1103/physrevlett.60.851] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Ono S, Tamura E, Oishi M, Takasu T, Kido G. [Chronic slowly progressive dysarthria due to posterior fossa dural arteriovenous malformation]. Rinsho Shinkeigaku 1988; 28:1-3. [PMID: 3383508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Katayama Y, Tsubokawa T, Hirayama T, Kido G, Tsukiyama T, Iio M. Response of regional cerebral blood flow and oxygen metabolism to thalamic stimulation in humans as revealed by positron emission tomography. J Cereb Blood Flow Metab 1986; 6:637-41. [PMID: 2432077 DOI: 10.1038/jcbfm.1986.118] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
To clarify functional neural pathways originating from the thalamic nucleus ventralis posterolateralis (VPL) in humans, the responses of regional CBF (rCBF) and regional CMRO2 (rCMRO2) to VPL stimulation were investigated by positron emission tomography in five patients who had undergone chronic implantation of electrodes into the VPL for therapeutic purposes. Measurement of rCBF and rCMRO2 under continuous inhalation of C15O2 and 15O2 by steady-state methods revealed significant increases of rCBF and rCMRO2 in the frontal, postcentral, and thalamic regions. The increases in rCBF and rCMRO2 of the postcentral regions were clearly predominant in the stimulated hemisphere insofar as the stimulation produced moderate paresthesia in restricted areas of the body. These results indicate that the VPL relays peripheral somatosensory information, which has previously been demonstrated to be transmitted to the frontal as well as postcentral regions.
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Tsukiyama T, Hara T, Iio M, Kido G, Tsubokawa T. Preferential accumulation of 11C in human brain tumors after intravenous injection of 11C-1-pyruvate. Eur J Nucl Med 1986; 12:244-8. [PMID: 3023098 DOI: 10.1007/bf00251978] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Regional cerebral turnover of 11C following intravenous injection of 11C-1-pyruvate was investigated in 12 patients with brain tumors. The positron emission tomography (PET) image taken at 10-15 min after the injection always demonstrated a high concentration of 11C in tumor, and thus visualized precise tumor contours. This phenomenon was not influenced qualitatively by the variation of blood flow in the tumor. Brain edema associated with the tumor was not visualized. We conclude that the localization of brain tumors would be well determined by the PET scan, using 11C-1-pyruvate.
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Kido G, Takeuchi T, Tsukiyama T, Nakamura S, Tsubokawa T, Henmi A. [Tumor of the pineal region in three brothers]. No Shinkei Geka 1984; 12:975-80. [PMID: 6207451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Occurrence of tumor of pineal region in three brothers was presented and previously reported cases of familial occurrence of primary intracranial tumor were reviewed. Two cases were diagnosed as germinoma clinically. The other case was diagnosed as embryonal carcinoma by pathohistological examination. All cases were of germ cell tumor. Reports of pineal tumors occurring in siblings are extremely rare. There have been three reports in the literature but no case of familial occurrence of histologically verified germ cell tumor in the pineal region in three siblings has been reported. Genetic aspects of primary intracranial tumors have been discussed but there has not been established a close relationship between heredity and oncogenecity. This case is a very interesting case because it is not only a rare case of familial occurrence of pineal tumor but it suggests the propriety of the theorum dealing with germ cell origin tumor.
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Mihara O, Ariyoshi Y, Kondo K, Iwane M, Kido G, Matsuo T. [On barium enema by using new remote-controlled apparatus (author's transl)]. Rinsho Hoshasen 1978; 23:149-53. [PMID: 628092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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