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1.
Papillo-Choledochectomy in the Operative Management of Mucosal Neoplasms of the Periampullary Region
Kogoro Kasahara Ken Saito Yasuo Kondo Toshihiko Yasuda Yoshikazu Yasuda Masatoshi Nakada Hideo Nagai Kyotaro Kanazawa 《HPB surgery》1993,6(3):211-217
Two patients with mucosal cancer of the periampullary region were treated with papillocholedochectomy,
which entails removal of the papilla of Vater and the whole length of the common bile duct. The neoplasm is dissected out through the plane between the duodenal circular and longitudinal muscles, deep to the sphincter of Oddi and the fibromuscular layer of the bile duct. Pathological examination showed that cancer was confined to the mucosal layer without stromal invasion, and that the operation achieved radical cure. For mucosal cancer, papillo-choledochectomy is
an alternative to pancreatoduodenectomy, provided that repeated frozen-section studies confirm the
completeness of excision. 相似文献
2.
R Kawaguchi Y Shibuya U Ogasa O Kosuda K Hikiji K Ishii 《Rinsho byori. The Japanese journal of clinical pathology》1992,40(11):1198-1203
Six kinds of human herpes viruses have been identified and classified on the basis of structure and characteristics. We studied the identification and classification of these types using PCR to amplify the virus-specific DNA sequences. This method showed higher sensitivity than the conventional method of virus isolation and culture for HSV and CMV detection. For each positive control, the viral DNA was amplified only when the complementary primers themselves were used. PCR apparently detects only the activated virus, because normal controls were negative when this method was used. Therefore, the present method is thought to closely reflect viral activation and infectious diseases in patients with latent infections. 相似文献
3.
Summary The host-vector system of an n-lkaneassimilating-yeast, Candida maltosa, which we previously constructed using an autonomously replicating sequence (ARS) region isolated from the genome of this yeast, utilizes C. maltosa J288 (leu2
–) as a host. As this host had a serious growth defect on n-alkane, we developed an improved host-vector system using C. maltosa CHI (his) as host. The vectors were constructed with the Candida ARS region and a DNA fragment isolated from the genome of C. maltosa. Since this DNA fragment could complement histidine auxotrophy of both C. maltosa CH1 and S. cerevisiae (hiss
–), we termed the gene contained in this DNA fragment C-HIS5. The vectors were characterized in terms of transformation frequency and stability, and the nucleotide sequence of C-HISS was determined. The deduced amino acid sequence (389 residues) shared 51% homology with that of HISS of S. cerevisiae (384 residues; Nishiwaki et al. 1987). 相似文献
4.
5.
Hideto Suzuki Wakako Hikiji Takanobu Tanifuji Nobuyuki Abe Tatsushige Fukunaga 《Journal of epidemiology / Japan Epidemiological Association》2015,25(2):126-132
Background
Sudden bath-related deaths occur frequently in Japan, particularly among elderly people. However, the precise mechanism of bath-related death remains uncertain, and effective prevention strategies have not been established.Methods
Cases of bath-related deaths (n = 3289) were selected from all cases handled by the Tokyo Medical Examiner’s Office from 2009 to 2011 (N = 41 336). The ages and occurrence dates were examined, and major autopsy findings, including toxicological analysis, were evaluated for the autopsied cases (n = 550).Results
Most cases occurred in individuals older than 60 years of age during winter. Analysis of autopsy findings revealed water inhalation signs in many cases (n = 435, 79.1%). Circulatory system diseases constituted more than half of the pathological findings regarding factors that may have contributed significantly to death (n = 300, 54.5%), and cardiac lesions were the most common pathological finding (n = 250, 45.5%). However, approximately one-third of the cases exhibited no remarkable pathological findings (n = 198, 36.0%). A quarter of all cases involved blood ethanol levels that exceeded 0.5 mg/mL (n = 140).Conclusions
The results suggested that drowning plays an important role in the final process of bath-related death. Circulatory system diseases may be the primary underlying pathology; however, there were variations in the medical histories and pathologies of cases of bath-related death. From a preventive perspective, family members should pay attention to elderly people with circulatory system diseases during bathing, particularly in winter. Additionally, the notion that ill or inebriated individuals should not take baths should be reinforced.Key words: bath-related death, sudden death, forensic autopsy, medical examiner 相似文献6.
Toshitaro Nakagawa Sachiko Matozaki Tohru Murayama Ryuichiro Nishimura Masayoshi Tsutsumi Ryuji Kawaguchi Yasunobu Yokoyama Kazumasa Hikiji Takashi Isobe Kazuo Chihara 《British journal of haematology》1993,85(3):469-476
Summary. A cell line designated SKM-1 was newly established from leukaemic cells of a 76-year-old Japanese male patient with monoblastic leukaemia following myelodysplastic syndrome (MDS). The cells were obtained from peripheral blood of the patient when he lost multiple point mutations of ras genes with acquisition of chromosomal abnormalities during disease progression in MDS. The cells grew as a single floating cell, and have been continuously growing with the morphological characteristics of immature monoblasts by serial passages during the past 42 months with a doubling time of about 48 h. By cytochemical analysis. the cloned cells were positive for butyrate esterase, but negative for the Epstein-Barr virus associated nuclear antigen. Phenotypic analysis revealed the expression of myelomonocyte specific antigens such as CD4, CD13, CD33 and HLA-DR. Cells from the primary peripheral blood and those from SO passages of the SKM-1 cell line both possessed no activated ras genes but showed karyotype abnormalities with 46.XY, del(9)(q13;q22), der(17) t(17:?)(p13:?). The SKM-1 cells have two mutations in p53 gene and overexpress the pS3 products. This cell line may contribute to a better understanding of molecular mechanisms in the progression from MDS to myelogenous leukaemia. 相似文献
7.
Keiko Kudo Tomomi Ishida Wakako Hikiji Yosuke Usumoto Takahiro Umehara Kumi Nagamatsu Akiko Tsuji Noriaki Ikeda 《Forensic Toxicology》2010,28(1):25-32
Patterns of poisoning are known to be different in different countries, because of the local environmental, cultural, and religious situations. Therefore, in Japan, it is important to know the pattern of poisoning in our own country and to prepare for every poisoning case by establishing an efficient systematic toxicological analysis system in forensic practice. We conducted a retrospective study of the kinds of compounds causing poisonings and the frequency of their use based on two series of reports dealing with poisoning cases in Japan prepared by the National Research Institute of Police Science and the Japanese Society of Legal Medicine for 2003 to 2006. From these reports, 459 and 177 compounds, respectively, were extracted as poisonous compounds over the study period. After data analysis, we selected 314 drugs and poisons as important target compounds for systematic drug analysis in Japan; they included 36 volatile compounds, 14 abused drugs, 170 medical drugs, 60 pesticides, 13 natural toxins, and 21 others. This is the first study to show the toxic drugs and poisons to be analyzed in Japan based on frequency of use, and as such the list will be useful in establishing the most efficient screening system in forensic practice. 相似文献
8.
Distraction osteogenesis has become a popular method of bone regeneration since 1980's in Japan. Bone is a regenerative tissue and its distraction enhances bone regeneration and remodelling. We review the relationship between distraction osteogenesis and tissue regeneration. 相似文献
9.
Miyata S Hamamura T Yoshinaga J Nakamura Y Imamura T Hikiji A Kuroda S 《Clinical neuropharmacology》2001,24(4):232-234
A 71-year-old woman presented with severe akinesia, frozen gait, and compromised postural reflexes, without rigidity, tremor, or vertical gaze disturbance. With a working diagnosis of pure akinesia, we administered amantadine (150 mg/d) and L-threo-3,4-dihydroxyphenylserine (DOPS) (600 mg/d), which alleviated her symptoms. When frozen gait recurred 2 months later, we increased the dose of L-threo-DOPS to 900 mg/d and added levodopa (300 mg/d) combined with carbidopa, but this failed to improve the patient's symptoms. We then combined administration of tandospirone, a serotonin (5-HT) 1A agonist with L-threo-DOPS (600 mg/d), resulting in marked clinical improvement. Tandospirone is reported to activate noradrenergic neurons via the 5-HT 1A receptor, which could account for such striking improvement in a patient previously responsive to the noradrenergic precursor L-threo-DOPS given alone. 相似文献
10.
Kogoro Kasahara MD Yuichi Yamashita Hisao Ishibashi Takashi Fukumoto Sumio Tenmoku Akiyoshi Kashii Kyotaro Kanazawa 《Surgery today》1987,17(6):445-454
Preoperative patients with periampullary cancer had a higher mean Σ IRI value than that of normal controls, and also had a
delayed pattern of insulin response and a lower insulinogenic index during oral-GTT. Σ IRI levels after pancreatoduodenectomy
were similar to those of normal controls when the pancreatic remnants were histologically intact at the time of surgery. Postoperative
Σ IRI levels could not be predicted based on the extent of histological fibrosis of the distal pancreas at the time of surgery.
Patency of pancreatojejunostomy was obtained with the modified Warren's method in 39 out of 40 patients, and Σ IRI levels
were maintained up to 5 years postoperatively. No significant difference was found in Σ IRI levels between pancreatoduodenectomised
patients with the conventional Roux-en-Y procedure and those with the inverted Roux-en-Y with jejunal interposition. The mean
insulin peak value and Σ IRI level were higher in pancreatoduodenectomised patients than in normal controls, and higher in
gastrectomised patients than in pancreatoduodenectomised patients. Pancreatoduodenectomy with superior mesenteric arterial
dissection resulted in remarkably low Σ IRI levels. 相似文献