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  • 1
    Electronic Resource
    Electronic Resource
    Ultraviolet Absorption Spectra of 2-Substituted 8-Quinolinols (1951)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 73 (1951), S. 630-632 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01146a040
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  • 2
    Electronic Resource
    Electronic Resource
    Focal hepatic nodules after transcatheter oily chemoembolization; detection with spiral CT versus conventional CT (1996)
    Springer
    Abdominal imaging 21 (1996), S. 33-36 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Liver〈+〉—〈+〉CT〈+〉—〈+〉Neoplasms〈+〉—〈+〉Diagnosis.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Background: The objective of this study was to determine if spiral computed tomography (CT) results in increased rate of detection of focal hepatic nodules containing iodized oil after transcatheter oily chemoembolization when compared with conventional CT. Methods: Spiral CT with single 24-s breath-hold technique was compared with conventional sequential CT in 42 patients with suspected hepatocellular carcinomas. Two sets of CT scans obtained after transcatheter oily chemoembolization were independently reviewed by two radiologists. The slice thickness was 10 mm for both data sets. The number and sizes of focal hepatic nodules containing iodized oil were documented. All 42 patients had at least one hepatic nodule. The lesion size varied from 2 mm to 12 cm. Results: In six of the 42 patients, more hepatic nodules could be identified on spiral CT compared with conventional CT. When scans with spiral CT were used, 107 nodules were detected, whereas 98 nodules were detected with conventional CT. Overall, nine (9%) more nodules were detected with spiral CT (〈+〉p= .002). If lesions larger than 2 cm are excluded, nine (15%) more lesions were detected with spiral CT (〈+〉p= .002). Conclusion: Spiral CT results in increased rate of detection of focal hepatic nodules after transcatheter oily chemoembolization, particularly in lesions smaller than 2 cm.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900005
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  • 3
    Electronic Resource
    Electronic Resource
    Iodized-oil retention within hepatic hemangioma:characteristics on iodized-oil CT (1996)
    Springer
    Abdominal imaging 21 (1996), S. 420-426 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Angioma, gastrointestinal tract—Contrast media, fatty acid—Computed tomography.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Objective: The purpose of this study was to describe the characteristic computed tomographic (CT) appearance of iodized-oil retention in hepatic hemangioma and to evaluate the duration of the retention of iodized oil on follow-up CT. Methods: Seventeen hepatic hemangiomas of 14 patients were studied with CT performed 1–3 weeks after injection of 2–9 ml of iodized oil (iodized-oil CT) for the characterization of focal hepatic lesions, which needed differential diagnosis with hepatocellular carcinoma in 10 patients, for therapy in two patients, and for chemoembolization therapy of accompanying hepatocellular carcinomas in two. Twelve patients had 1–7 follow-up CT scans within an interval of 1–38 months. Results: In all cases, iodized-oil CT showed iodized-oil retention within the tumor, regardless of tumor size, shape, location, and amount of injected iodized oil. The distribution was incomplete and predominantly peripheral in all cases. Central retention was also seen in seven cases, in which a relatively large amount of iodized oil was injected, but retention of iodized oil in the tumor was incomplete even in two cases in which a large amount of iodized oil was injected to relieve symptoms and in three cases in which prominent uptake of surrounding liver parenchyma was seen. Patterns of retention were predominantly spotty in five, predominantly nodular in four, and mixed in eight patients. Retention materials slowly washed out but persisted for at least 3 months and up to 38 months (mean = 18.1 months), and complete washout was not seen in any cases at follow-up CT. Conclusion: In all cases of hepatic hemangiomas, iodized oil was retained, and retention persisted over several months. Distribution and patterns of retention were characteristically peripheral, spotty, and nodular at iodized-oil CT. Knowledge of the iodized-oil CT appearance of hepatic hemangioma would be helpful to interpret follow-up CT studies of patients who have undergone iodized-oil chemoembolization procedures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900096
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  • 4
    Electronic Resource
    Electronic Resource
    Helical CT anatomy of pancreatic arteries (1996)
    Springer
    Abdominal imaging 21 (1996), S. 517-521 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Pancreas, anatomy—Pancreas, computed tomography—Computed tomography, helical technology.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Background: To assess the frequency of visualization of pancreatic arteries in the arterial phase of helical computed tomography (CT). Methods: The visibility of pancreatic and peripancreatic arteries in helical CT images was evaluated in 20 consecutive patients who had no evidence of pancreatic disease. CT examinations were performed by using a continuously rotating CT scanner and intravenous injection of contrast media. The scans were taken 35 s after the start of injection and with a table speed of 3 mm/s. Images were reconstructed in 3-mm section increments. Results: Frequently visualized arteries were the gastroduodenal, anterior and posterior superior pancreaticoduodenal, and right gastroepiploic arteries. Infrequently visualized arteries were the dorsal pancreatic, pancreatica magna, caudal pancreatic, transverse pancreatic, and common, anterior, and posterior inferior pancreaticoduodenal arteries. Conclusion: Helical CT enabled us to recognize small pancreatic arteries, and the evaluation of these arteries should be considered in the staging of pancreatic carcinoma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900117
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  • 5
    Electronic Resource
    Electronic Resource
    Chronic tuberculous epididymitis: color Doppler US findings with histopathologic correlation (2000)
    Springer
    Abdominal imaging 25 (2000), S. 559-562 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Tuberculous epididymitis—Tuberculous epididymo-orchitis—Ultrasound (US)—Color Doppler US—Power Doppler US.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The aim of this study was to determine the color Doppler features of tuberculous epididymitis and to correlate these findings with histopathologic findings. Methods: Color Doppler ultrasound (US) findings of 12 histopathologically proven tuberculous epididymitis and tuberculous epididymo-orchitis in 11 consecutive patients were retrospectively analyzed. Color Doppler US findings of tuberculous epididymitis were correlated with histopathologic findings. Results: Color Doppler US findings of tuberculous epididymitis demonstrated no blood flow in the epididymal lesions except for focal linear or spotty flow signals in the peripheral portion. These findings correlated well with pathologic findings; the central portion of the epididymal lesions demonstrated granulomas with caseation necrosis, and the peripheral portion of the epididymal lesions had several medium to small vessels. Conclusions: Color Doppler US may be helpful for differential diagnosis of tuberculous epididymitis and non–tuberculous epididymitis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/s002610000092
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  • 6
    Electronic Resource
    Electronic Resource
    MR findings of hepatic cavernous hemangioma after intraarterial infusion of iodized oil (1994)
    Springer
    Abdominal imaging 19 (1994), S. 507-511 
    Details
    ISSN: 1432-0509
    Keywords: Liver, diseases-Liver, neoplasms Liver, MR studies ; Magnetic resonance (MR) ; Contrast media, iodized oil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Magnetic resonance (MR) imaging was performed on five tumors of three patients who had hepatic hemangiomas. Four tumors were given an intraarterial infusion of 3–8 ml of iodized oil, while one tumor was not. MR images were obtained at 2.0 or 0.5 T. A single spin echo sequence with TE of 30 ms and TR of 500 ms and a double echo sequence with TEs of 60 and 150 ms and TR of 2000 ms, were used to produce relatively T1-, T2-weighted, and heavily T2-weighted images, respectively. Follow-up MR imaging was done 1–5 months after infusion of iodized oil. On relatively T1 weighted images, hemangiomas showed iso or hypointensity. On T2-weighted images, all tumors showed hyperintensity. However, on heavily T2-weighted images, tumors with iodized oil showed heterogeneous, slight hyperintensity, while tumors without iodized oil showed characteristic appearance of marked hyperintensity in hemangiomas. In hepatic cavernous hemangiomas with intraarterial infusion of iodized oil, familiarity with this unusual MR intensity of tumors on heavily T2-weighted images is useful to avoid the incorrect diagnosis and to reduce the frequency of inappropriate hepatic resection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00198251
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  • 7
    Electronic Resource
    Electronic Resource
    Hepatic abnormalities related to blood flow: evaluation with dual-phase helical CT (1999)
    Springer
    Abdominal imaging 24 (1999), S. 340-356 
    Details
    ISSN: 1432-0509
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900512
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  • 8
    Electronic Resource
    Electronic Resource
    Angle-resolved photoemission study of the Li-induced structures of the Si(001) surface (1995)
    Springer
    Applied physics 60 (1995), S. 35-40 
    Details
    ISSN: 1432-0630
    Keywords: 73.20 ; 79.60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract We have investigated dispersion relations of surface bands induced by Li adsorption on the Si(001) surface at room temperature by Angle-Resolved PhotoE-mission Spectroscopy (ARPES). The characteristic spectral changes in the Energy Distribution Curves (EDCs) with increasing Li coverage implicate that Li adatoms occupy on-top sites of the dimer-forming silicon atoms resulting in 0.5 and 1.0 monolayers for the completion of the first two Li-induced ordered (2×2): Li and (2×1): Li phase, respectively. The unique upward dispersions of the surface bands for these Li-induced structures are ascribed to the size effect of a Li adatom. We further discuss a mechanism which might account for the metallie peak found at the early stage of Li adsorption.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01577610
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  • 9
    Electronic Resource
    Electronic Resource
    NOS-like immunoreactive neurons express GABA-like immunoreactivity in rabbit and rat retinae (1998)
    Springer
    Experimental brain research 120 (1998), S. 109-113 
    Details
    ISSN: 1432-1106
    Keywords: Key words Nitric oxide synthase ; GABA ; Retina ; Rabbit ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  In rabbit and rat retinae, wholemounted preparations and 40 μm thick vibratome sections were processed for nitric oxide synthase (NOS) immunoreactivity and consecutive semithin sections were immunostained with anti-NOS and anti-GABA antisera, respectively. Two types of NOS-labelled amacrine cells were identified: type 1 cells with larger somata were intensely stained, and type 2 cells with smaller somata were weakly stained. A few displaced amacrine cells also showed NOS-like immunoreactivity. All these NOS-like immunoreactive neurons also expressed GABA-like immunoreactivity. Thus, nitric-oxide-containing neurons might constitute a subpopulation of GABAergic neurons in rabbit and rat retinae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002210050383
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  • 10
    Electronic Resource
    Electronic Resource
    Selective degeneration of two out of the nine types of synapses in cat caudate nucleus after cortical lesions (1978)
    Springer
    Experimental brain research 31 (1978), S. 67-80 
    Details
    ISSN: 1432-1106
    Keywords: Caudate ; Cat ; 9 Types of synapses ; Degenerated ; Cortico-striate boutons
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In the cat caudate nucleus the same nine types of synapses are found as in putamen and fundus striati. The three parts of the striatum in the strict sense do not differ in the morphological differentiation of synapse types but only in their quantitative distribution. One-third of all synapses in the caudate nucleus are axo-spinous type IV synapses with a curved and divided asymmetric contact. This strongly suggests that the caudate nucleus interneuronal apparatus is dominated by centre-median input, in contrast to the putamen which is controlled by the cortico-striatal input to its internuncial cells and by its strong intrastriatal feedback mechanism. Extensive destruction of the convexity of the cortex and the medial cortex in one hemisphere results in dark degeneration of a large proportion of two of the nine types of caudate synapses: a) the axo-dendritic type VII synapses exciting the large aspiny caudate neurons and b) the axo-spinous type III synapses making contact with the small spiny neurons of the interneuronal cell apparatus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00235805
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