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51.
AKIHIRO ARAKI MITSURU SHINOHARA JUN YAMAKAWA MASAHIKO TANAKA SHINSUKE NATSUI YOSUKE IZUMI 《International journal of urology》2006,13(1):64-66
A 47-year-old man was diagnosed with primary aldosteronism due to two left adrenal adenomas, suggested on computed tomography (CT) to be located at the upper and lower adrenal portion. However, adosterol scintigraphy revealed negligible uptake at the upper portion of the left adrenal. Laparoscopic left adrenalectomy was performed, but macroscopic examination of the specimen revealed only one adrenal tumor. Continued surgical exploration detected another mass between the spleen and the stomach, which was demonstrated to be continuous with the stomach and was eventually diagnosed as a gastric diverticulum. Postoperatively, aldosteronism resolved and repeat CT revealed staining of the adrenal pseudotumor when oral contrast was administered. Since organs located near the adrenals can simulate adrenal tumors, caution must be exercised in interpreting suprarenal masses on CT. To our knowledge, this is the first reported case of concurrent pseudotumor and true tumor of the ipsilateral adrenal. 相似文献
52.
Simple Electrocardiographic Criteria for Identifying the Site of Origin of Focal Right Atrial Tachycardia 总被引:6,自引:0,他引:6
HIROSHI TADA AKIHIKO NOGAMI SHIGETO NAITO MASAHIKO SUGUTA MASATOSHI NAKATSUGAWA YASUTO HORIE TOMOYUKI TOMITA HIROSHI HOSHIZAKI SHIGERU OSHIMA KOICHI TANIGUCHI 《Pacing and clinical electrophysiology : PACE》1998,21(11):2431-2439
To construct an algorithm for identifying the precise site of origin of focal right atrial tachycardia (RAT), we analyzed the P wave configuration in 32 patients with RAT who underwent successful radiofrequency catheter ablation. The RA was divided into three areas in the left anterior oblique view: superolateral, inferolateral, and inferomedial. There were 17 RATs arising from the crista terminalis (CT-AT), 12 from the tricuspid annulus (TA-AT), and 3 from the septum away from the TA (Sep-AT). A negative P wave in lead aVR identified CT-AT with a sensitivity (sens) of 100% and a specificity (spec) of 93%. In CT-AT's, positive P waves in the inferior leads differentiated superolateral AT from inferolateral A T with a sens of 86% and a spec of 100%. In any type of AT with inferomedial or inferolateral foci, the P wave deflections in at least one of the inferior leads was negative, and negative P waves in leads V5 and V6 identified inferomedial AT with a sens of 92% and a spec of 100%. In ATs near the apex of Koch's triangle, the P wave duration in the inferior leads was shorter than during sin us rhythm. Conclusions: (1) the P wave configuration in lead aVR can easily differentiate CT-AT from TA-AT and Sep-AT; (2) the P wave configuration in the inferior leads helps to determine a superior versus inferior origin in any type of AT; (3) in inferior AT, the P wave polarity in leads V5 and V6 is useful in determining a lateral versus medial origin; (4) this algorithm can predict accurately the origin of AT. 相似文献
53.
MASAYA KITAMURA KIYOMI MATSUMIYA MINORU KOGA KENJI NISHIMURA HIDENOBU MIURA TOSHINORI TSUJI MASAHIKO MATSUMOTO YOSHIO OKAMOTO AKIHIKO OKUYAMA 《International journal of urology》2000,7(3):88-92
Background : Non‐mosaic Klinefelter patients are generally azoospermic and there is no therapy to improve the spermatogenesis. Some patients have a few spermatozoa in their ejaculates, which can be used for intracytoplasmic sperm injection (ICSI), but only a few cases resulting in a successful birth have been reported. Methods : Out of 52 non‐mosaic 47,XXY Klinefelter patients, four cases having spermatozoa in their ejaculates were retrospectively studied. Results : Intracytoplasmic sperm injection was performed in three cases using their ejaculates and resulted in one chemical abortion and one death in utero (8 weeks). Using testicular sperm, one patient had a healthy baby with a normal karyotype. Conclusion : Some non‐mosaic Klinefelter patients have ejaculated sperm that can result in a successful birth following ICSI. However, the birth rate is very low compared with the fertilization rate, suggesting increased risk of chromosomal abnormalities. 相似文献
54.
Primary IgA Glomerulonephritis and Schonlein-Henoch Purpura Nephritis: Clinicopathological and Immunohistological Characteristics 总被引:1,自引:0,他引:1
NAKAMOTO YASUSHI; ASANO YOSHIHIRO; DOHI KAZUHIRO; FUJIOKA MASAHIKO; IIDA HIROYUKI; KIDA HIROSHI; KIBE YOSHINORI; HATTORI NOBU; TAKEUCHI JUGORO 《QJM : monthly journal of the Association of Physicians》1978,47(4):495-516
A comparative analysis on clinicopathological and immunohistologicalcharacteristics was performed of 205 cases with primary IgAnephritis and 35 with Schönlein-Henoch purpura nephritis(purpura nephritis). Diagnostic criteria for primary IgA nephritiswere set out so that IgA was either the most prominent immunoglobulinor, at least, equal to IgG and/or IgM, if present, irrespectiveof mesangial or peripheral localization. In primary IgA nephritis,one half of the cases were discovered by asymptomatic proteinuria,and one-third presented recurrent upper respiratory tract infectionand gross hematuria, one-fourth abdominal pain and a few casesjoint pain, while purpura nephritis was associated with a significantlyhigher incidence of such systemic symptoms as abdominal andjoint pains, in addition to purpura. Both diseases shared atendency toward conspicuous hematuria in contrast to the modestproteinuria, with normal renal function in three-fourths totwo-thirds. Moreover, four of 35 with purpura nephritis showedpreceding proteinuria and had been regarded as primary IgA nephritisuntil purpura appeared. The glomerular pathology had a commonfeature in that there was frequent occurrence of mesangial proliferativeand focal and segmental lesions. The immunohistology in thetwo diseases was indistinguishable with regard to the glomerularimmunoglobulins and mediators, whether purpura was present orabsent. Thus, we propose a unifying concept that, by analogywith SLE, primary IgA nephritis may be regarded as sinelupo, lying on one side of the nosological spectrum withless systemic symptoms, whereas purpura nephritis may occupythe other side with more systemic aspects. Furthermore, we confirmedthe epimembranous granular deposition of IgA in both diseasesas the most characteristic morphological expression of circulatingimmune complexes. 相似文献
55.
Case Report: Gastrointestinal bleeding from a hepatocellular carcinoma invading the transverse colon
MASAJI HASHIMOTO GORO WATANABE MASAMICHI MATSUDA TAIRA YAMAMOTO KENJI TSUTSUMI MASAHIKO TSURUMARU 《Journal of gastroenterology and hepatology》1996,11(8):765-767
A 72-year-old woman with cirrhosis of the liver was treated repeatedly by transcatheter arterial embolization for multifocal hepatocellular carcinomas. She developed gastrointestinal bleeding secondary to direct invasion of the wall of the transverse colon. The diagnosis was made pre-operatively by colonoscopy and the patient was treated successfully. This rare complication of hepatocellular carcinoma was due to the protrusive type of growth exhibited by this tumour and may have been affected by the transcatheter arterial embolization. 相似文献
56.
YASUFUMI SUZUKI YUTAKA AOYAGI SHIGEKI MORI TAKESHI SUDA AKIRA NAITOH OSAMU ISOKAWA MASAHIKO YANAGI HIROTAKA IGARASHI HITOSHI ASAKURA 《Journal of gastroenterology and hepatology》1996,11(4):358-365
Heterogeneous reactivity of human serum transferrin (Tf) with lectins was analysed using patient sera to determine whether it can be used to distinguish patients with hepatocellular carcinoma (HCC) from those with liver cirrhosis (LC). Microheterogeneity of Tf was analysed by crossed immunoaffinity electrophoresis (CIAE) with concanavalin A (Con A) and Lens culinaris agglutinin (LCA). Sample sera from 58 patients with HCC, 43 patients with LC and 10 normal controls were used in this study and the results were evaluated statistically. The increments of Con A-non-reactive (C1) and -weakly reactive (C2) species of Tf were observed in HCC compared with those of LC and Norm. Significant increase in the combined percentage of Con A- C1 + C2 species was also revealed in HCC (35.5 ± 8.5%, mean ± s.d.) compared with those of LC (29.1 ± 6.8%; P < 0.001) and normal controls (17.1 ± 2.3%; P < 0.001). The elevation of LCA-reactive (L2) species of Tf was recognized in HCC (8.2 ± 3.8%) in comparison with those of LC (4.8 ± 3.1%; P<0.001) and normal controls (1.3 ± 1.7%; P < 0.001). The increment of C1+C2 species and/or L2 species of Tf was observed in 78% (sensitivity) of patients with HCC. The specificity, the positive predictive value and the overall accuracy were 81, 88 and 72%, respectively. Positive ratio of C1+C2 and/or L2 species was 77 and 70% in alpha-fetoprotein low and -high producing HCC patients, respectively. These results indicate that the microheterogeneity analysis of human serum Tf is useful for distinguishing patients with HCC from those with LC and normal controls. 相似文献
57.
SUGURU YONEZAWA MICHIKO TAIRA MASAHIKO OSAKO MASAAKI KUBO SADAO TANAKA KORO SAKODA SONSHIN TAKAO TAKASHI AIKO MASAYA YAMAMOTO TATSURO LRIMURA YOUNG S. KIM EIICHI SATO 《Pathology international》1998,48(4):319-322
The expression of MUC-1 mucin (membrane-associated mucin) and MUG2 much (secretory mucin) were immunohistochemically examined in 46 invasive ductal carcinomas (IDC) and 16 intraductal papillary mucinous tumors (IPMT) of the pancreas. lntraductal papillary mucinous tumors usually reveal expansive growth. However, of the 16 IPMT examined in the present study, three showed an invasive growth pattern, which was similar to 'mucinous carcinoma', around the non-invasive growth areas. Of 46 IDC, MUCl much detected by monoclonal antibodies, DF3 and MY.1E12, was expressed in 44 cases (96%) and in 45 cases (98%), respectively, whereas MUC-2 mucin detected by polyclonal antibody, anti-MRP, was not expressed in any of the cases (0%). In contrast, in the non-invasive growth areas of the 16 IPMT, MUG1 much detected by DF3 and MY.1 E12 was expressed in four cases (25%) and in six cases (38%), respectively, whereas MUG2 mucin detected by anti-MRP was expressed in 13 cases (81%). The invasive growth areas of the three IPMT showed positive expression of MUG-1 mucins detected by DF3 and MY.1E12, although the non-invasive growth areas showed negative expression of MUG1 muclns, except for their focal positive expression in one of the three cases. These findings indicate that the invasive growth areas of IPMT acquire a characteristic of MUC-1 much expression that is usually seen In IDC. 相似文献
58.
YOSHIYUKI MORIKAWA YASUO OHASHI KENSUKE HARADA TOSHIO ASAI SUMIO OKAWA MASAMI NAGASHIMA TOSHIYUKI KATOH KUNIZO BABA KENSHI FURUSHO MASAHIKO OKUNI MITSURU OSANO 《Pediatrics international》1994,36(4):347-354
We studied the effect of intravenous, polyethyleneglycol-treated, human immunoglobulin, administered at 200 mg/kg per day (group A: n = 147; male 86, female 61; age < 1 year, 50) or 400 mg/kg per day (group B: n = 152; male 87, female 65; age < l year, 52) for five consecutive days and compared it with freeze-dried, sulfonated human immunoglobulin [group C: n = 152; male 87, female 65; age < 1 year, 51), administered at 200 mg/kg per day for five consecutive days, on the prevention of coronary artery abnormalities in Kawasaki disease. Echocardiograms were interpreted blindly and independently. Proportions of 87.1%, 95.4%, and 82.3% in groups A, B, and C, respectively, had no coronary artery abnormalities. The confidence limits of difference between the proportions of groups A and C, groups B and C, and groups B and A were −4.4% and 10.4%, 7.8% and 15.9%, and 4.0% and 10.8%, respectively. Duration of fever and serum immunoglobulin G (IgG) levels were correlated with the prevalence of coronary artery abnormalities. We concluded that intravenous, polyethyleneglycol-treated, human immunoglobulin and freeze-dried, sulfonated human immunoglobulin had clinically equivalent effects on coronary artery abnormalities, and that five daily doses of 400 mg/kg of intravenous, polyethyleneglycol-treated, human immunoglobulin is more effective than that of 200 mg/kg gamma globulin. 相似文献
59.
YUKIO NAKAMURA YASUNORI YOSHIMURA YUUKOKU TAMAOKA YOSHINOBU UBUKATA KEIKO YOSHIDA HARUHIKO YAMADA RIHACHI IIZUKA MASAHIKO SUZUKI 《Clinical endocrinology》1988,29(4):395-402
Treatment with a combination of luteinizing hormone-releasing analogue (GnRHa, Buserelin) and pulsatile administration of hMG (Group I) were used to induce ovulation in nine patients with polycystic ovary syndrome (PCO). The same patients were also treated with pulsatile hMG administration alone (Group II). Ovulation was observed in all twelve treatment cycles in Group I, and there were two pregnancies. In Group II, ovulation occurred in 22 of 26 treatment cycles. Ovarian hyperstimulation occurred in one cycle of Group I and in 5 of 26 cycles of Group II. The total dose per cycle of hMG to induce ovulation in Group I was significantly lower than that needed when only pulsatile hMG administration was used. In response to Buserelin administration, the concentrations of serum luteinizing hormone (LH) and follicle stimulating hormone (FSH) increased transiently and then declined to the normal range observed in the early follicular phase. The concentrations of FSH increased in response to hMG administration, resulting in a normal LH/FSH ratio. The present data demonstrated that pulsatile subcutaneous administration of hMG in addition to Buserelin was effective in inducing follicular maturation and ovulation in patients with PCO with a lower incidence of serious side-effects. 相似文献
60.