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1.
YASUMASA SHICHIRI NORIYASU TAKAO TOMOYUKI OIDA HIROSHI KANAMARU YOSUKE SHIMIZU 《International journal of urology》2004,11(11):1019-1023
The most serious problem regarding a laparoscopic partial nephrectomy is how to perform bloodless excision without causing renal ischemia in a limited working space. We report the case of a 65-year-old man with left small renal cell carcinoma in the posterior mid zone who underwent a laparoscopic partial nephrectomy through a retroperitoneal approach by carrying out the ligation of the tumor-feeding artery, but without clamping the renal pedicle. Both preoperative abdominal computed tomography (CT) and intraoperative ultrasonography revealed the tumor to be fully encapsulated. The tumor-feeding artery could be exposed by dissection from the renal hilum and, after an arterial ligation, tumor resection with a safety margin was smoothly performed with minimal bleeding. Postoperatively, CT revealed a limited defect of the renal parenchyma and excretory pyelography showed no urine leakage or urinary tract obstruction. The preoperative and postoperative creatinine levels were 0.66 and 0.69 mg/dL, respectively. As a result, a tumor-feeding artery ligation with a laparoscopic partial nephrectomy for left renal cell carcinoma in the posterior mid zone is considered to be an effective surgical modality which avoids renal ischemia and pelvic heat injury. 相似文献
2.
TAKAHIRO YOSHIDA TETSUYA TAKAO AKIRA TSUJIMURA HIROHIKO TOMITA KATSUYUKI AOZASA AKIHIKO OKUYAMA 《International journal of urology》2006,13(4):478-480
A 38-year-old Japanese man was referred to our outpatient clinic for treatment of infertility. Semen analysis showed azoospermia. Chromosome analysis revealed a 47XXY karyotype, and non-mosaic Klinefelter's syndrome (KFS) was diagnosed. Upon physical examination, the patient's right testicular volume was 30 mL and the left testicular volume was 3 mL. Laboratory tests showed normal levels of lactate dehydrogenase, alpha-fetoprotein, and human chorionic gonadotropin beta-subunit. The plasma luteinizing hormone and follicle-stimulating hormone levels were increased to 15.7 mIU/mL and 45.9 mIU/mL, respectively. The plasma testosterone was decreased to 0.25 ng/mL. Magnetic resonance imaging showed a right testicular mass of low-signal intensity on the T1-weighted image and of high-signal intensity on the T2-weighted image. Therefore, the final diagnosis was KFS with a right testicular tumor. Thus, a right high orchiectomy was performed. Histological examination revealed an epidermoid cyst of the right testis. Epidermoid cysts in cases of KFS are rare. To our knowledge, only seven cases, including ours, have been reported in the literature. 相似文献
3.
TAKAO KINJO KYOKO TSUHAKO WASNA SIRIRUNGSI KAZUYA SUNAGAWA IWAO NAKAZATO & TERUO IWAMASA 《International journal of experimental pathology》1997,78(6):401-409
Intraperitoneal and intracranial inoculation of herpes simplex virus type 2 (HSV 2) into BALB/cN and C57BL/6N mice was carried out to induce experimental myelitis. The myelitis was clearly observed in C57BL/6N mice following intraperitoneal inoculation. Within 24 hours before death, the mice showed urinary and rectal incontinence and paraplegia of the hind legs. Randomly distributed, severe necrosis was demonstrated in the spinal cord, mainly at the lower cord. In BALB/cN mice the clinical symptoms were not clearly observed, as the mice died shortly after their onset. Although spinal cord necrosis was more prominent in C57BL/6N mice than BALB/cN mice, brain necrosis was only found in the latter, and not in the former. Both strains of mouse showed marked nuclear pyknosis of the nerve cells and slight nuclear pyknosis of the astrocytes in the brain where HSV 2 antigen was demonstrated immunohistochemically. The antigen was also detected in the necrotic spinal cord. In contrast, intracranial inoculation of the virus into both strains did not cause myelitis. Spinal cord necrosis was not demonstrated and virus DNA was not detected, by PCR, in spinal cord samples. In the brain, however, the virus was demonstrated by both PCR and immunohistochemistry. 相似文献
4.
SHUICHIRO SHIINA YUTAKA KOMATSU TAKAO KAWABE KENTA YOSHIURA EIJI HAMADA YASUO HATA YASURO NIWA TAKAO KAWASE SHINICHI OTA YASUSHI SHIRATORI AKIRA TERANO TSUNEAKI SUGIMOTO 《Journal of gastroenterology and hepatology》1992,7(2):154-156
Cholestatic hepatocellular carcinoma, which grows into the bile duct and causes obstructive jaundice, is rare and difficult to diagnose. A case is presented in which cholestatic hepatocellular carcinoma was detected by deposit of Lipiodol. This is also the first case that was successfully treated by endoscopic retrograde biliary drainage and transcatheter arterial embolization. 相似文献
5.
YANIV BAR-COHEN M.D. CHERYL M. TAKAO M.D. WINFIELD J. WELLS M.D. † LESLIE A. SAXON M.D. ‡ DAVID A. CESARIO M.D. ‡ MICHAEL J. SILKA M.D. 《Journal of cardiovascular electrophysiology》2010,21(1):99-102
Vascular Plug for ICD Lead. We describe the case of a young patient with severe hypertrophic cardiomyopathy and marginal defibrillation thresholds (DFTs) at implant of a standard transvenous implantable cardioverter-defibrillator (ICD) system. The patient subsequently experienced multiple failed ICD shocks during a prolonged episode of spontaneous ventricular tachycardia/fibrillation. Placement of a second single-coil shocking lead in the azygous vein resulted in acceptable DFTs, but the new lead migrated superiorly within hours of the procedure. To stabilize the lead position, a vascular plug was placed in the distal azygous vein, and the shocking lead screw was actively fixated to the meshwork of the device. Subsequent testing confirmed both adequate defibrillation and stable lead position. (J Cardiovasc Electrophysiol, Vol. 21, pp. 99–102, January 2010) 相似文献
6.
MIKIO KIMURA HARUMI KUNO-SAKAI HITOSHI KAMIYA KOHJI UEDA SHIN ISOMURA MICHIO KOIKE TATSUO KATO TAKAO OZAKI MIZUO HIROSE TSUNEYOSHI EGAMI 《Pediatrics international》1995,37(5):562-574
This is the report on a prospective, single blind, comparative study of a component acellular pertussis vaccine produced by a combination of detoxified, column purified pertussis toxin (PT) and filamentous hemagglutinin (FHA) combined with diphtheria and tetanus toxoids (DTcaP) and the traditional acellular pertussis vaccine produced with essentially the same method as described by Sato with DT (DTaP) of the same manufacturer. A total of 616 infants and children received DTcaP and a total of 289 received DTaP. In all age groups for both vaccines values of serum antibodies to PT and FHA after two doses of the vaccines were comparable to those of convalescent sera. Incidences of systemic and local reactions were, in general, not greatly different between DTcaP and DTaP recipients. In Japan the use of traditional acellular vaccines replaced whole cell vaccines in 1981. Protective antigens of Bordetella pertussis have now been specified and thus component vaccines have become theoretically possible. This is the first component vaccine which has been developed in Japan. Several other component vaccines are now under investigation in the world. 相似文献
7.
IKUO SAITO EIKO TAKESHITA TAKAO SARUTA SHIRO NAGANO TOSHIO SEKIHARA 《Clinical endocrinology》1986,24(5):565-570
The effects of the calcium entry blocker nifedipine on blood pressure, heart rate, plasma renin activity, aldosterone, noradrenaline and adrenaline were studied in 23 normotensive subjects in the supine and upright positions. Nifedipine, 10 mg administered sublingually, lowered mean blood pressure and increased heart rate, plasma noradrenaline and renin activity without increasing plasma aldosterone in the supine position. The increase in plasma aldosterone in response to upright posture was inhibited by nifedipine, whereas the rise in plasma noradrenaline was augmented. These results suggest that intracellular calcium is important as a regulator of aldosterone secretion as well as of vascular tone in normotensive subjects. 相似文献
8.
KUBOTA TETSURO; KAWAMURA EIJI; SUZUKI TATSUO; YAMADA TAKAO; TOYODA HAJIME; MIYAGAWA TAKESHI; KUROKAWA TERUHISA 《Japanese journal of clinical oncology》1986,16(4):357-364
Bestrabucil (KM2210), the benzoate of an estradiol-chlorambucilconjugate, was used experimental cancer chemotherapy against13 human tumor xenografts serially transplanted into nude mice,and its pharmacokinetics was studied. The tumors were one esophageal,two gastric, six colon, one cholecystic and three breast carcinomas.Two tumor tissue fragments approximately 3x3x3 mm were inoculatedinto BALB/cA nude mice, which were then treated with KM2210at doses of 100, 200 and 300 mg/Kg/day orally starting 24 hrafter the transplantation or when the tumor reached a weightof 100300 mg. The concentration of KM2210 and its derivativesin the tumor xenografts, normal muscular tissue and blood wereassayed by high performance liquid chroma-tography. Six out of 13 xenografts were found to be sensitive to KM2210.The concentrations of KM2210 and its derivatives in the tumortissues of the sensitive xenografts were five to 10 times higherthan those in blood and muscular tissue, and the antitumor activitycorrelated well with the area under the curve of active metabolitesof KM2210 in the tumor. 相似文献
9.
SATOSHI KOYAMA TAKESHI INOUE TAKAO TARAL KOICHI TAKIMOTO MASAYUKI KATO KIYOTAKA ITO MASHAHIRO NEYA JIRO SEKI YUJI KOBAYASHI YOSHIMASA KYOGOKU KEIZO YOSHIDA 《Chemical biology & drug design》1994,43(4):332-336
AP-811 is a derivative of the Phe8-Ile15 region of atrial natriuretic peptide (ANP) and is one of the smallest linear ligands for ANP receptors. The binding and agonist activities of AP-811 have been compared with those of other ANP analogs for the ANP-A and ANP-C receptors. AP–811 binds with a high binding affinity to and is a strong agonist for the ANP-C receptor, indicating that the binding and agonist sites for this receptor are the same or near each other in the ANP sequence. In contrast, AP-811 showed no agonistic effect for the ANP-A receptor, although it could bind to this receptor. Comparing the biological activities of AP-811 with those of other ANP analogs, we propose that the binding and agonist sites for the ANP-A receptor may consist of separate regions of ANP. In conclusion, AP-811 is the smallest C-receptor-selective agonist. 相似文献
10.