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1.
RYUJI FUKAZAWA TAKASHI SEKI MITSUHIRO KAMISAGO MASANORI WATANABE SHUNICHI OGAWA KUNIO YUGE TSUNEO HIRAYAMA 《Pediatrics international》1994,36(4):427-430
We experienced a congenital complete atrioventricular block infant who was born from a Ro/SS-A antibody positive mother. Ro/SS-A antibody was also found in this baby which was presumed to be mediated by the maternal placenta. Temporary cardiac pacing was required at birth and pacemaker implantation was performed at 9 months. At 11 months of age, the baby fell into shock and experienced multiple organ failure because of diabetes mellitus-induced coma. The association between congenital complete heart block and the Ro/SS-A antibody is well known. However, the accompaniment of insulin-dependent diabetes mellitus has not been reported previously. As the Ro/SS-A antigen appears in the cytoplasm of many tissues, the possibility of an association between Ro/SS-A antibody and diabetes mellitus is difficult to deny. We report this rare case to draw attention to the possibility that babies who are born from an Ro/SS-A antibody positive mother may develop diabetes mellitus as well as congenital complete heart block. 相似文献
2.
TANIGUCHI CHISA; YAMAGUCHI KAZUNARI; YOSHIOKA RITSUKO; TAKIFUJI NOBUHIDE; MATSUI KAORU; NISHIMURA HIROMICHI; TOMINO SHINHACHIRO; TAKATSUKI KIYOSHI; TANAKA RYUJI 《Japanese journal of clinical oncology》1984,14(1):123-127
We report a case of chronic myelogenous leukemia (CML) associatedwith pronounced peripheral lymphadenopathy, with the cells havingthe Philadelphia (Phl) chromosome and T-cell features. A 23-year-oldman who was diagnosed as having CML and treated with busulfanwas admitted to our hospital because of increasing hepatosplenomegalyand pronounced lymphadenopathy. An axillary lymph node biopsydisclosed that the malignant cells formed rosettes with neuraminidase-treatedsheep red blood cells (En) (95.0%) and were positive for Leu1 (91.8%). Of the cytochemical reactions, peroxidase was negativeand periodic acid-Shiff, acid -naphthyl acetate esterase andß-glucuronidase were all positive. The karyotype ofthe bone marrow cells was 46 XY Phl positive (22q), andthat of the lymph node cells was 51 XY Phl positive +8, +9,+18, +19, +21, 22q. He was treated with various anti-leukemicagents and irradiation. Despite such treatments, he died ofpneumonia. This is a report of a CML patients with blast crisisand tumor formation characterized by T-cell features. 相似文献
3.
TOSHIRO HARA MUNEAKI MATSUO RYUJI TASAKI SUMIO MIYAZAKI MASAHIRO BAMBA 《Pediatrics international》1995,37(5):575-578
We evaluated the clinical significance of measurement of urinary neopterin levels in primary immunodeficiencies and persistent infections exclusively at afebrile or asymptomatic periods. Despite the examinations at afebrile or asymptomatic periods, urinary neopterin levels were elevated in some patients with primary immunodeficiencies and in patients with persistent infections of human immunodeficiency virus (HIV) or Epstein-Barr virus (EBV). Therefore, urinary neopterin measurement at afebrile periods will be useful as one of the screening tests in the detection of such disorders among children with occasional episodes of infections. 相似文献
4.
KIYOSHI KAWAKAMI MD TOSHIRO TAKEZAKI SHIN-ICHI NAKAZONO TAKUMA KITAHARA NAOAKI IKARIMOTO YUJI TANAKA KOICHIRO MIYATA AKIRA YOSHIOKA 《Pediatrics international》1994,36(1):91-94
This study reports an unusual case of acute leukemia which was diagnosed as hemophilia A on initial admission for leukemia. A 3 year old boy was admitted to Kagoshima University Hospital with anemia. He was diagnosed as acute lymphoblastic leukemia. At the same time he was revealed to have severe hemophilia A− without any previous episodes of severe bleeding tendency or family history of this disease. The laboratory investigation showed his mother to be a carrier of hemophilia A. Although there are many cases of hemophilia which have developed malignant tumors, most of them were caused by association with human immunodeficiency virus (HIV) infection. Only five cases with coexistence of leukemia and hemophilia without HIV infection have been reported and the present case is the first one in Japan. At this stage, hemophiliacs are not necessarily regarded to be a population at risk for the development of leukemia. Furthermore, no particular subtype of leukemia was characterized among these patients in the literature. 相似文献
5.
TAKASHI SASAKI RYUJI FUKAZAWA SHUNICHI OGAWA SHIGETO KANNO TAKASHI NITTA MASAMI OCHI KAZUO SHIMIZU 《Pediatrics international》2007,49(6):966-971
BACKGROUND: Local delivery of stromal cell-derived factor-1alpha (SDF-1) has been demonstrated to improve hind limb ischemia through enhanced neovascularization in animals. It was hypothesized that local administration of SDF-1 also contributes to neovascularization of ischemic heart. METHOD: Acute myocardial infarction was created by left coronary artery ligation in C57BL/6J mice. Immediately after infarction induction, mice were treated by injection directly into the center of ischemic myocardium either with saline (control group) or SDF-1 (SDF-1 group). Cardiac function was measured on echocardiogram 2 and 4 weeks after infarction. On week 4 mice were killed to evaluate infarction size and capillary vessel density. To determine the contribution of bone marrow cells to angiogenesis, the same procedures were performed on C57BL/6J chimeric mice reconstituted with green fluorescent protein-positive bone marrow cells. RESULTS: Fractional shortening was greater in the SDF-1 group at 4 weeks (0.31 +/- 0.06% vs 0.23 +/- 0.03%, P = 0.037). The infarct area was smaller in the SDF-1 group compared to the control group (9.31 +/- 2.76% vs 18.07 +/- 5.69%, P = 0.028). Green fluorescent protein-positive cells accumulated predominantly at the peri-infarction site, and were located with the capillary vessels. Capillary vessel density was significantly increased in the SDF-1 group (13.08 +/- 4.11 vessels/mm(2) vs 34.50 +/- 7.59 vessels/mm(2), P = 0.014). CONCLUSIONS: SDF-1 protects against deterioration of cardiac function after acute myocardial infarction by promoting angiogenesis. The safety and long-term prognosis of this treatment remains to be determined. 相似文献
6.
BACKGROUND: With Kawasaki disease it is important to clarify the mechanisms of coronary artery aneurysm and thrombus to avoid acute myocardial infarction. The authors tested the hypothesis that shear stress is reduced at coronary branching sites and in coronary artery aneurysms, and that this reduction of shear stress can promote formation of coronary artery aneurysms and thrombus. METHODS: The subjects were 111 children with Kawasaki disease with left coronary artery aneurysms, classified into three groups: giant coronary artery aneurysm (n= 28, diameter of coronary artery >8 mm), aneurysm (n= 44, diameter of coronary artery =8 mm), and normal-appearing coronary (n= 39). Averaged peak flow velocity (APV), flow patterns and shear stress were measured and calculated at normal-appearing coronary vessels, left coronary artery branching sites and intra-coronary aneurysm using flow wire, and coronary angiography. Also, presence and appearance of thrombus were detected by intravascular ultrasonography. RESULTS: The authors found that 90.3% of the coronary artery aneurysms occurred at major left coronary branching sites. APV and shear stress were significantly decreased in giant coronary artery aneurysms (APV, 7.1 +/- 2.1 cm/s; shear stress, 3.8 +/- 2.1 dyne/cm(2)) and at the left coronary artery branching site (APV, 9.1 +/- 1.2; shear stress, 1+/-+/-.2 3.0). In total, 20 of 24 thrombi were detected only in giant aneurysm, and all patients exhibited disturbed flow pattern in their giant coronary artery aneurysms. CONCLUSIONS: Reduced shear stress and disturbed flow pattern may lead to coronary artery aneurysm and thrombus formation. 相似文献
7.
HIROTAKA NAKASHIMA RYUJI NAGAHAMA GORO YAMAKI TOSHIAKI SHIGA KAZUO NOMOTO YASUO OHKURA 《Digestive endoscopy》2002,14(1):36-38
A 60‐year‐old man underwent routine colonoscopy, and was noted to have a pedunculated polyp in the sigmoid colon. The pathologic diagnosis was adenoma, and due to patient’s personal circumstances, the lesion was left untreated. The colonoscopic examination was repeated 4 years and 11 months later, to find that the polyp had transformed into an elevated lesion with irregularly depressed surface. The patient was diagnosed as having early sigmoid cancer, and underwent sigmoidectomy. The histologic examination of the excised specimen revealed well‐differentiated adenocarcinoma with invasion into the submucosal layer. Through studying the natural course of colon cancer, it has become known that the advanced cancers commonly develop from polyps with short pedicles (sessile polyps). This case represents an early sigmoid cancer developed from a pedunculated polyp, which differs from the current mainstream concept of ‘polyp‐cancer sequence of colon cancer.’ 相似文献
8.
9.
Malignant transformation of renal angiomyolipoma 总被引:8,自引:0,他引:8
NOBUYOSHI TAKAHASHI RYUJI KITAHARA YASUYUKI HISHIMOTO AKIMITSU OHGURO YASUHIRO HASHIMOTO TADASHI SUZUKI 《International journal of urology》2003,10(5):271-273
In the present paper, two cases of malignant transformation of renal angiomyolipoma without tuberous sclerosis are reported. Pathological examination revealed that, in both cases, in addition to the areas affected by typical angiomyolipoma, there were areas that contained elevated numbers of perivascular epithelioid cells with prominent nuclear pleomorphism. Immunohistochemical examination revealed that both cases were negative for keratin and epithelial membrane antigen, but were positive for the melanogenesis-related marker HMB-45. Metastatic diseases appeared 40 months after radical nephrectomy in the first case and 18 months in the second case. 相似文献
10.
KIMURA IKURO; OHNOSHI TAISUKE; HAYASHI KYOICHI; NISHIHARA RYUJI 《Japanese journal of clinical oncology》1982,12(3):343-348
Seven patients with malignant lymphoma had complete remissionsof from more than 50 to more than 81mo. These patients showeda direct relationship between length of initial remission andsurvival. Six patients had survival periods after cessationof maintenance therapy that extended from more than 38 to morethan 71 mo. The histologic subtypes of the patients were: inHodgkin's disease, two cases of mixed cellularity and one ofnodular sclerosis, and in non-Hodgkin's lymphoma, three casesof diffuse large cell type and one of diffuse medium-sized celltype. 相似文献