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  • 1
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 27 (1979), S. 1411-1413 
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 54 (1982), S. 1589-1594 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 50 (1978), S. 1073-1079 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 36 (1988), S. 762-764 
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 74 (1952), S. 4073-4076 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 31-34 
    ISSN: 1279-8517
    Keywords: MRI ; Wrist ; Anatomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé 114 poignets provenants de deux groupes de femmes asymptomatiques de 25 à 45 ans (groupe I, n=30) et de plus de 45 (groupe II, n=27) ont été examinés. Les caractéristiques anatomiques du canal carpien ont été quantifiées tandis que des modifications de ce canal liées à l'âge ont été recherchées. Les images IRM des deux poignets ont été obtenues en spin-écho et en écho rapide. Ont été mesurées la longueur et la surface de section ainsi que le volume des tunnels carpiens de son entrée jusqu'à sa sortie ainsi que le volume des deux poignets. Un ratio volume du tunnel par rapport au volume du poignet a été obtenu dans les deux groupes. Le point le plus étroit du tunnel carpien a également été localisé. La longueur moyenne du tunnel était de 36,3 mm dans les deux groupes. Le tunnel a la forme d'un cône, avec une entrée constamment plus large que la sortie. La surface de section moyenne du tunnel à son entrée a été trouvée plus importante dans les deux groupes. Le volume moyen du tunnel apparaît significativement plus grand chez les patients âgés. Le point le plus étroit du tunnel a été localisé au tiers distal à 8 mm de la sortie du canal et dans les deux groupes. Nous en concluons : — Que l'analyse IRM quantitative est une méthode valable pour mesurer les caractéristiques anatomiques du tunnel carpien. — Que l'anatomie du tunnel carpien est affectée par l'âge.
    Notes: Summary 114 wrists from two groups of asymptomatic women of 25–45 years of age (group I, no=30) and over 45 years (group II, no=27) were examined: a) to quantify the anatomic features of the carpal tunnel, and b) to search for age-related changes in the anatomy of the tunnel. Bilateral MRI axial wrist images were obtained by means of turbo spin echo (TSE) and fast field echo (FFE) sequences. We measured the length, the cross-sectional areas, the volume of the carpal tunnels — from inlet to outlet — and the volume of the wrists, bilaterally. A carpal tunnel volume/wrist volume (CTV/WV) ratio was obtained in both groups. We also searched for the location of the narrowest point of the canal. The mean (SD) length of the tunnel, from inlet to outlet, was 36.3 mm (SD=3.4), in both groups. The tunnel had a cone shape, with the inlet constantly larger than the outlet in all subjects. The mean (SD) cross-sectional area of the tunnel inlet was found to be larger in group II, compared to group I (p=0.029). The calculated mean (SD) volume of the tunnel also appeared significantly larger in the older group (p=0.023). The narrowest point of the canal was identified at its distal third, at 8 mm from the outlet, in both groups. We conclude that: a) quantitative MRI is a valuable method for assessing the anatomic characteristics of the carpal tunnel, and b) the anatomy of the tunnel is affected by age.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 31-34 
    ISSN: 1279-8517
    Keywords: MRI ; Wrist ; Anatomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract 114 wrists from two groups of asymptomatic women of 25-45 years of age (group I, no = 30) and over 45 years (group II, no = 27) were examined: a) to quantify the anatomic features of the carpal tunnel, and b) to search for age-related changes in the anatomy of the tunnel. Bilateral MRI axial wrist images were obtained by means of turbo spin echo (TSE) and fast field echo (FFE) sequences. We measured the length, the cross-sectional areas, the volume of the carpal tunnels - from inlet to outlet - and the volume of the wrists, bilaterally. A carpal tunnel volume/wrist volume (CTV/WV) ratio was obtained in both groups. We also searched for the location of the narrowest point of the canal. The mean (SD) length of the tunnel, from inlet to outlet, was 36.3 mm (SD = 3.4), in both groups. The tunnel had a cone shape, with the inlet constantly larger than the outlet in all subjects. The mean (SD) cross-sectional area of the tunnel inlet was found to be larger in group II, compared to group I (p = 0.029). The calculated mean (SD) volume of the tunnel also appeared significantly larger in the older group (p = 0.023). The narrowest point of the canal was identified at its distal third, at 8 mm from the outlet, in both groups. We conclude that: a) quantitative MRI is a valuable method for assessing the anatomic characteristics of the carpal tunnel, and b) the anatomy of the tunnel is affected by age.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 20 (1998), S. 299-302 
    ISSN: 1279-8517
    Keywords: Magnetic resonance imaging ; Anatomical variant ; Hook of hamate ; Wrist ; Carpal tunnel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Normal skeletal variants are a common occurrence in clinical practice and may lead to misinterpretation. As part of a case control study investigating the carpal tunnel, our asymptomatic and voluntary participant underwent magnetic resonance (MR) imaging of both wrists from the metacarpal bases to the distal radiocarpal joint. The imaging techniques included spin echo (SE), turbo spin echo (TSE) and fast field echo (FFE) sequences using 4 mm-slice thickness. As an incidental finding bipartite hamulus was detected bilaterally. The anomaly was evident in both hamuli with similar MRI characteristics. The congenital origin was further supported by the absence of trauma or surgery to the wrists. In this case report the authors discuss the anatomical variant, bilateral bipartite hook of the hamate, and demonstrate the reliability of contiguous slices of MR axial slices in displaying an anatomical variant of the carpus. This normal variant of the hamate is not commonly encountered in MR imaging of the wrist and can be misinterpreted as fracture or post-traumatic sequelae. Images of the normal hamulus are presented for comparison.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 20 (1998), S. 299-302 
    ISSN: 1279-8517
    Keywords: Magnetic resonance imaging ; Anatomical variant ; Hook of hamate ; Wrist ; Carpal tunnel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les variations squelettiques normales sont fréquemment rencontrées en pratique clinique et peuvent conduire à des erreurs d'interprétation. Lors d'une étude contrôle concernant le canal carpien, des sujets asymptomatiques et volontaires ont subi une imagerie par résonance magnétique (IRM) des deux poignets depuis les bases des métacarpiens jusqu'à l'interligne radio-carpien. Les techniques d'imagerie utilisaient des coupes de 4 mm en spin-écho (SE), en turbo spin-écho (TSE) et en écho de champ rapide (FFE). Fortuitement, nous avons trouvé un hamulus bipartite bilatéral. L'anomalie était évidente sur les deux hamulus et présentait les mêmes caractéristiques IRM. L'origine congénitale a été retenue en l'absence de traumatisme ou de chirurgie des poignets. Dans le cas rapporté, les auteurs discutent la variante anatomique, un hamulus bipartite de l'hamatum, et montrent la fiabilité des coupes axiales IRM contiguës pour décrire une variante anatomique du carpe. Cette variante normale de l'hamatum est rarement rencontrée en IRM du poignet et pourrait être prise par erreur comme une fracture ou une séquelle post-traumatique. Les images d'un hamulus normal sont présentées pour comparaison.
    Notes: Summary Normal skeletal variants are a common occurrence in clinical practice and may lead to misinterpretation. As part of a case control study investigating the carpal tunnel, our asymptomatic and voluntary participant underwent magnetic resonance (MR) imaging of both wrists from the metacarpal bases to the distal radiocarpal joint. The imaging techniques included spin echo (SE), turbo spin echo (TSE) and fast field echo (FFE) sequences using 4 mm-slice thickness. As an incidental finding bipartite hamulus was detected bilaterally. The anomaly was evident in both hamuli with similar MRI characteristics. The congenital origin was further supported by the absence of trauma or surgery to the wrists. In this case report the authors discuss the anatomical variant, bilateral bipartite hook of the hamate, and demonstrate the reliability of contiguous slices of MR axial slices in displaying an anatomical variant of the carpus. This normal variant of the hamate is not commonly encountered in MR imaging of the wrist and can be misinterpreted as fracture or post-traumatic sequelae. Images of the normal hamulus are presented for comparison.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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