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  • 1
    Electronic Resource
    Electronic Resource
    Uterus didelphys associated with obstructed hemivagina and ipsilateral renal agenesis: MR findings in seven cases (1998)
    Springer
    Abdominal imaging 23 (1998), S. 437-441 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Müllerian duct anomaly—Complications—MRI.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Background: Although a specific syndrome of the uterus didelphys, obstructive hemivagina, and ipsilateral renal agenesis had been reported in gynecologic literatures, it is not familiar to radiologists. We introduce this syndrome with radiological, especially MR findings. Methods: Imaging findings and medical records of seven patients with this syndrome were retrospectively reviewed. Results: MR clearly demonstrated uterus didelphys with obstructed hemivagina in six of the seven patients. A remaining one showed uterus didelphys with left-sided hematometra and hematosalpinx who had undergone vaginal septum incision prior to the MR. We could also recognize ipsilateral renal agenesis in all five patients, in whom renal areas were examined on MR. After vaginal septum resection, symptoms disappeared in six patients. We could observe the disappearance of the obstructive complications with MR in three patients. Conclusions: MR can do much for the early diagnosis and the prevention against further complications of this condition because it can demonstrate the müllerian duct anomaly complicated with obstructed hemivagina in detail and even ipsilateral renal agenesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900375
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  • 2
    Electronic Resource
    Electronic Resource
    Changes in microflora of a puffer fish Fugu niphobles, with different water temperatures (1989)
    Springer
    Marine biology 101 (1989), S. 299-304 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Grass puffer Fugu niphobles, captured in November 1986 at Shimoda, Japan, and then reared at different temperatures ranging from 10 to 29°C, was examined for microflora changes in the skin, gill and intestines. At 10°C, the skin and gill were colonized mainly by Pseudomonas, Flavobacterium and Moraxella, while at 29°C Vibrio and Flavobacterium appeared abundantly. The intestinal microflora, consisting of Vibrio, Pseudomonas and Flavobacterium, revealed little temperature dependence, although the intrageneric composition of Vibrio changed conspicuously depending on the change of water temperature. Vibrio group 1, tentatively identified as V. alginolyticus, was detected in all tissues examined at 20 and 29°C. This, along with the fact that V. alginolyticus produces tetrodotoxin, suggests that the tetrodotoxin contained in puffer is, at least partly, accounted for by this bacterial species inhabiting intestines.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00428125
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  • 3
    Electronic Resource
    Electronic Resource
    Bleeding Risk in Unruptured and Residual Cerebral Aneurysms – Angiographic Annual Growth Rate in Nineteen Patients (1999)
    Springer
    Acta neurochirurgica 141 (1999), S. 153-159 
    Details
    ISSN: 0942-0940
    Keywords: Keywords: Aneurysmal rest; bleeding; follow-up angiography; unruptured aneurysm.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary  Whether and when unruptured aneurysms or aneurysmal rests following incomplete surgery result in subsequent bleeding are major concerns for neurosurgeons. By calculating the annual growth rate of aneurysms in long-term follow-up angiography (partly supplemented with MR-imaging and/or MR-angiography), we attempted to determine the surgical indications for these aneurysms. Long-term follow-up angiography ranging from one to 20 years was carried out on five patients whose ruptured aneurysms had been incompletely occluded, six patients with multiple aneurysms, of which the ruptured ones had been completely oblitered at operation and the small unruptured aneurysms, missed or misdiagnosed, and eight patients with unruptured aneurysms which were asymptomatic or symptomatic. The correlation of annual aneurysm growth rate to subsequent bleeding was investigated. Four out of six fast-growing aneurysms with high annual growth rates (more than 8% increase per year) resulted in subsequent bleeding whereas none of the fourteen slow-growing aneurysms with low annual growth rates (less than 8% increase per year) led to bleeding (Fisher's exact test; p〈0.01). Hypertension, patient age and aneurysmal location showed no significant correlation to the annual growth rate (Fisher's exact test; p〉0.05). This study suggests that aneurysmal rests after incomplete surgery and missed or misdiagnosed multiple or incidental aneurysms which are fast growing have a high possibility of subsequent bleeding and should be operated on as soon as possible.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007010050279
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  • 4
    Electronic Resource
    Electronic Resource
    A long-term follow-up study in direct cerebral aneurysm surgery (1995)
    Springer
    Acta neurochirurgica 133 (1995), S. 134-140 
    Details
    ISSN: 0942-0940
    Keywords: Cerebral aneurysm ; cerebral angiography ; follow-up study
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A long-term follow-up study covering between one and twenty-two years after surgery was carried out on 177 patients with direct operations for cerebral aneurysms. Rebleeding was detected in five out of 18 patients with incomplete operations; one patient within 6 months and four patients within 5 to 8 yeras after surgery. The rebleeding rate of incompletely operated patients in the first decade was similar to that of untreated patients with ruptured aneurysms. This suggests that wrapping, coating and incomplete clipping procedures provide some protection against rebleeding in the first 6 months but little in the period extending beyond 5 years after surgery. Showing two types of newly-formed aneurysms after complete surgery and enlarged residual aneurysms after incomplete surgery, the possibility of rebleeding from these aneurysms is discussed in the present report.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01420063
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  • 5
    Electronic Resource
    Electronic Resource
    EXAFS Measurement on Local Structure Around Erbium Atoms Doped in GaAs with Oxygen Co-Doping (1997)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 258-263 (Dec. 1997), p. 1571-1576 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/03/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.258-263.1571.pdf
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  • 6
    Electronic Resource
    Electronic Resource
    Transmitter-Like Release of Endogenous 3,4-Dihydroxyphenylalanine from Rat Striatal Slices (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 50 (1988), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: Biphasic electrical field stimulation (0.5–5 Hz, 2 ms, 25 V, 3 min) and high K+ (10–30 mM, 5 min) released endogenous 3,4-dihydroxyphenylalanine (DOPA) from superfused rat striatal slices. Characteristics of the DOPA release were compared with those of 3,4-dihydroxyphenylethylamine (dopamine, DA). Electrical stimulation at 2 Hz evoked DOPA and DA over similar time courses, α-Methyl-p-tyrosine (0.2 mM) markedly reduced release of DOPA but not of DA. Maximal release (0.3 pmol) of DOPA was obtained at 2 Hz and at 15 mM K+. The impulse-evoked release of DOPA and DA was completely tetrodotoxin (0.3 μM) sensitive and Ca2+ dependent and the 15 mM K+-evoked release was also Ca2+ dependent. On l-[3,5-3H]tyrosine (1 μM) superfusion, high K+ (15 and 60 mM) released DOPA and DA together with concentration-dependent decreases in tyrosine 3-monooxygenase (EC 1.14.16.2) activity as indicated by [3H]H2O formation, followed by concentration-dependent increases after DOPA and DA release ended. These findings suggest that striatal DOPA is released by a Ca2+-dependent excitation-secretion coupling process similar to that involved in transmitter release.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1988.tb02470.x
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  • 7
    Electronic Resource
    Electronic Resource
    The ribosomal protein S7 gene is transcribed and edited in sugar beet mitochondria (1998)
    Copenhagen : Munksgaard International Publishers
    Physiologia plantarum 102 (1998), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: We have isolated a mitochondrial rps7 gene from sugar beet (Beta vulgaris L. cv. TK81-O). It is present in a single genomic environment, with northern blot analysis showing transcription of this gene. Sequence analysis of RT-PCR-derived cDNA of rps7 showed that three RNA-editing events occurred on rps7 mRNAs. As far as we know, this is the first report of the complete identification of the RNA editing of a mitochondrial rps7 in the angiosperms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1399-3054.1998.1020221.x
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  • 8
    Electronic Resource
    Electronic Resource
    Vestibular Influences on the Histaminergic and Cholinergic Systems in the Rat Brain (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 781 (1996), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1996.tb15743.x
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  • 9
    Electronic Resource
    Electronic Resource
    Flow cytometric analysis of DNA content and Ki-67-positive fractions in the diagnosis of salivary gland tumors (1998)
    Springer
    European archives of oto-rhino-laryngology and head & neck 255 (1998), S. 265-268 
    Details
    ISSN: 1434-4726
    Keywords: Key words Flow cytometry ; Salivary gland tumors ; Diagnosis ; DNA ploidy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To explore the utility of flow cytometry (FCM) for the diagnosis of histopathology of salivary gland tumors, fresh materials taken at surgery from 23 Warthin’s tumors, 57 pleomorphic adenomas, and 14 malignant tumors were analyzed for DNA ploidy and proliferative cell activities, including S-phase fraction (SPF), G2- plus M-phase fraction (G2M), and Ki-67-positive fraction. To facilitate this study, glands were taken from all major salivary sites and minor glands in the head and neck. DNA aneuploidy was not detected in the benign tumors. Nine of 14 malignant tumors showed DNA aneuploidy. The percentage of SPF or G2M of the malignant tumors was significantly higher than those of the benign tumors. The percentage of Ki-67-positive fraction of pleomorphic adenomas was comparable to that of malignant tumors and was significantly higher than that of Warthin’s tumors. Ki-67 of 20% as a cut-off had a sensitivity of 88%, specificity of 100%, and accuracy of 91% for differentiating pleomorphic adenomas from Warthin’s tumors. In analyzing DNA content and proliferative activities by FCM, we could distinguish among the three major histopathologies of salivary gland tumors. Warthin’s tumors showed low SPF+G2M with low Ki-67, pleomorphic adenomas had low SPF+G2M with high Ki-67, and malignant tumor showed high SPF+G2M with high Ki-67. The high percentage of the Ki-67-positive fraction seen in pleomorphic adenomas may reflect their potential biological aggressiveness manifested as tumor recurrence or malignant transformation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004050050055
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  • 10
    Electronic Resource
    Electronic Resource
    Immunocytochemical localization of GABA containing neurons in the ventrolateral medulla oblongata of the rat (1989)
    Springer
    Histochemistry and cell biology 91 (1989), S. 309-314 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Localization of γ-aminobutyric acid (GABA) in the ventrolateral medulla oblongata of the rat was studied, using antisera directed against GABA molecule fixed to bovine serum albumin. Within the rostral portion of the ventrolateral medulla, GABA-like immunoreactive neurons were found in the lateral wing of the raphe magnus and in the region of the paragigantocellular reticular nucleus. In the caudal portion of the ventrolateral medulla, a lesser number of GABA-stained neurons were found in the region around the nucleus reticularis lateralis. GABA-like immunoreactive punctate structures were also found throughout the ventrolateral medulla. These results provide further evidence for the existence of GABAergic neurons in the ventrolateral medulla oblongata of the rat.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00493006
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