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  • 1
    ISSN: 1436-2813
    Keywords: malignant granular cell tumor ; stomach
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report herein what to our knowledge is the first documented case of a malignant granular cell tumor of the stomach. A 64-year-old woman was admitted to our hospital for investigation of gastric submucosal tumor. Endoscopy disclosed a large hemispherical mass located on the lesser curvature at the gastric antrum with a normal mucosal surface, and computed tomography (CT) revealed a solid tumor about 7 cm in diameter with clear margins. A laparotomy was carried out under the preoperative diagnosis of leiomyosarcoma of the stomach. A tumor was found in the gastric antrum, with extragastric extension to the hepatic hilum, and a distal partial gastrectomy was performed. However, a follow-up CT scan performed 21 months postoperatively revealed a solid tumor of about 10 cm in diameter with clear margins, situated between the liver and the transverse colon. This was subsequently diagnosed as local recurrence and a resection was carried out. Microscopic examination of both the first and second specimens showed that the tumor cells were large and polygonal, with medullary proliferation and finely granular eosinophilic cytoplasm. Mitotic figures were also present. Thus, the lesion was diagnosed as a malignant granular cell tumor of the stomach from the clinical and pathological findings.
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  • 2
    ISSN: 1436-2813
    Keywords: gastric cancer ; extended radical gastrectomy ; para-aortic lymph nodes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Because gastric cancers located in the upper third of the stomach are difficult to detect at an early stage, the surgical results remain poor. We performed R4 gastrectomy as a radical procedure for 25 patients, involving complete resection of the latero-aortic and interaorticovenous lymph modes above and below the left renal vein, in combination with the ordinary R2 or R3 gastrectomy (the R4 group). These patients were compared with 156 others who underwent R2 gastrectomy alone (the R2 group). There were no significant differences in operation time, blood loss, or the incidence of complications between the two groups; however, when the survival rates of the patients with tumors invading beyond the subserosa were compared, the 5-year survival rate was found to be significantly higher in the R4 group than in the R2 group. Furthermore, in patients with para-aortic nodal involvement, a significant survival advantage was observed in the R4 group, as compared with the R2 group. These results suggest that the R4 gastrectomy is a rational approach for patients with advanced gastric cancer located in the upper third of the stomach.
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  • 3
    ISSN: 1436-2813
    Keywords: Key Words: carotid artery injury, ultrasonography, blunt trauma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract: Almost all cases of carotid artery injury are precipitated by a high-energy impact such as motor vehicle accidents or gunshot wounds, and are usually diagnosed using angiography. We report herein a case of carotid artery injury induced by a low-energy insult with rare clinical signs which was diagnosed using ultrasono graphy as well as angiography. A 37-year-old man sustained an accidental compression of the neck and was transferred to our emergency room. Horner's syndrome and phrenic nerve palsy were detected on the left side. Ultrasonography demonstrated two sites of injury with an intimal flap of the distal left common carotid artery as well as angiography. The patient was placed on anticoagulants and was discharged on the 10th hospital day with both Horner's syndrome and phrenic nerve palsy. This case suggests that surgeons should investigate any possible carotid artery injury, even after low-velocity injuries such as compression of the neck, and therefore an ultrasonic examination should be performed at the initial evaluation and at follow-up studies. In addition, further investigations are also called for to investigate the utility of anticoagulation in the treatment of carotid artery injury.
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  • 4
    ISSN: 1435-5922
    Keywords: Key words: ileal diverticulum, lower gastrointestinal bleeding, angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract: Acquired ileal diverticulum is an uncommon condition and diagnosis is often difficult when bleeding occurs from this source. Here we describe two cases of ileal diverticulum with massive bleeding. Both patients presented with anal bleeding, but upper and lower gastrointestinal endoscopy did not reveal the source. Selective visceral angiography finally detected bleeding lesions in the terminal ileum. Surgical resection was performed in both patients, confirming that the bleeding arose from diverticula less than 1 cm in size. In patients with obscure gastrointestinal bleeding, an ileal diverticulum should be considered, and selective visceral angiography should be performed for precise diagnosis.
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  • 5
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Nous mettons en place une perfusion intrapéritonéale hyper (PPHC) ou isothermique continue (PPNC), associée à une chimiothérapie combinée (cisplatine (CDDP) à la posologie de 300 mg/Kg et mitomycine C (MMC) à la posologie de 30 mg/Kg) dans le but de prévenir les récidives péritonéales après chirurgie pour cancer gastrique. Dans une étude randomisée, 22 patients ont été traités par perfusions péritonéale avec 10 liters de sérum physiologique chauffé à 41–42°C (PPHC), 18 ont été traités avec du sérum à 37°C (PPNC) et 18 ont été opérés de leur cancer gastrique sans perfusion postopératoire (groupe contrôle (22%)). Les survies à 1, 2 et 3 ans étaient de 95, 89 et 68%, respectivement dans le groupe PPHC, de 81, 75 et 51% dans le groupe PPNC et de 43, 23 et 23% dans le groupe contrôle. Les trois courbes de survie différaient de façon significative (logrank p〈0.01). Ces différences montrent que non seulement la perfusion intrapéritonéale associée à la chimiothérapie mais aussi l'hyperthermie intrapéritonéale sont efficaces pour prévenir la récidive péritonéale. après résection gastrique pour cancer. Les concentrations maximales globales et isolées de CDDP étaient de 12.2 et de 10.1 μg/ml à la fin de la perfusion. Les concentrations plasmatiques maximales de MMC globales et isolées étaient de 1.00 et de 0.05 μg/ml., respectivement. Ces résultats cliniques favorables démontrent que les concentrations obtenues ainsi ne sont pas nocives.
    Abstract: Resumen En pacientes sometidos a cirugía por cáncer gástrico hemos realizado perfusión peritoneal hipertérmica continua (PPHC) o perfusión peritoneal normotérmica continua (PPNC) combinada con cisplatino (CCDP) en dosis de 300 mg/cuerpo y mitomicina C (MMC) en dosis de 30 mg/cuerpo con miras a prevenir la recurrencia peritoneal. Veintidós pacientes fueron tratados con perfusión de alrededor de 10 litros de solución salina calentada a 41–42°C (grupo PPHC); 18 pacientes fueron tratados con solución salina calentada a 37–38°C (grupo PPNC); y 18 pacientes fueron sometidos a cirugía gástrica solamente, sin perfusión, los cuales constituyeron el grupo de control. El estudio fue randomizado. Las muertes por recurrencias peritoneales fueron dos (9%) en el grupo PPHC, cuatro (22%) en el grupo PPNC y cuatro (22%) en el grupo control. Las tasas de sobrevida a uno, dos y tres años fueron 95%, 89% y 68% en el grupo PPHC; 81%, 75% y 51% en el grupo PPNC; y 43%, 23% y 23% en grupo control, respectivamente. Se encontró una diferencia significativa en las tres curvas de sobrevida en la prueba de log-rank (p〈0.01). La significativa diferencia hallada entre las tres curvas de sobrevida demuestran que, no sólo la perfusión intraperitoneal combinada con quimioterapia (PPNC) sino también la hipertermia intraperitoneal (PPHC), son procedimientos efectivos para la prevención de la recurrencia peritoneal. Las concentraciones máximas del CCDP total y libre en el líquido de perfusión en el régimen de 300 mg fue 12.2 y 10.1 μg/ml al final de la perfusión. Las máximas concentraciones plasmáticas de CDDP total y libre fueron 2.1 y 1.0 μg/ml al final de la perfusión. Las concentraciones máximas de MMC en el líquido de perfusión y en el plasma en regímenes por debajo de 30 mg fueron 1.0 y 0.05 μg/ml. Tales resultados demuestran concentraciones intraperitoneales citotóxicas pero sistémicamente seguras.
    Notes: Abstract We performed continuous hyperthermic peritoneal perfusion (CHPP) or continuous normothermic peritoneal perfusion (CNPP) combined with cisplatin (CDDP) 300 mg/kg and mitomycin C (MMC) 30 mg/kg in an attempt to prevent peritoneal recurrence after surgery for gastric cancer. Twenty-two patients were treated with perfusion using about 10 liters of saline heated to 41° to 42°C (CHPP group); 18 patients were treated with saline heated to 37° to 38°C (CNPP group); and 18 patients underwent only gastric surgery without perfusion (control group) in a randomized control study. There were two deaths (9%) due to peritoneal recurrence in the CHPP group, four (22%) in the CNPP group, and four (22%) in the control group. The 1-, 2-, and 3-year survival rates were 95%, 89%, and 68%, in the CHPP group; 81%, 75%, and 51%, in the CNPP group; and 43%, 23%, and 23%, in the control group, respectively. There was a significant difference between the three survival curves by the log-rank test (p〈0.01). This difference showed that CNPP and CHPP are both effective procedures for preventing peritoneal recurrence. The maximum concentrations in the perfusate of total and free CDDP with 300 mg administration were 12.2 and 10.1 μg/ml, respectively, at the end of the perfusion, and the maximum concentrations of total and free CDDP in plasma were 2.1 and 1.0 μg/ml, respectively. The maximum concentrations of MMC in perfusate and plasma with 30 mg administration were 1.00 and 0.05 μg/ml, respectively, which are intraperitoneally cytotoxic but systemically safe concentrations.
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 41 (1988), S. 44-49 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
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  • 7
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 40 (1988), S. 69-73 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 34 (1985), S. 17-23 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Archives of environmental contamination and toxicology 16 (1987), S. 409-416 
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract Six fractions were prepared from an organic extract of airborne particulate matter collected between June 1983 and May 1984 by liquid-liquid partition and silica gel column chromatography. These fractions were assayed for their mutagenicities by the AmesSalmonella and sister chromatid exchange tests, with and without metabolic activation. After metabolic activation, a moderately polar fraction had the greatest mutagenicity per weight inSalmonella typhimurium strains TA98 and TA100. Ten subfractions were subsequently obtained from this fraction by high-pressure liquid chromatography, which were subjected to capillary gas chromatography with a nitrogen-phosphorous selective detector, and gas chromatography-mass spectrometry, in addition to further investigation of their mutagenicities. The characterized components were classified into polycyclic aromatic hydrocarbons (PAHs), oxygenated PAHs (containing ketones, quinones, coumarines and aldehydes), and azaarenes.
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