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  • SAGE Publications  (5)
  • 2005-2009  (5)
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  • SAGE Publications  (5)
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  • 2005-2009  (5)
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  • 1
    Online Resource
    Online Resource
    Hepatic falciform ligament artery in patients with chronic liver diseases: detection on computed tomography hepatic arteriography
    SAGE Publications ; 2009
    In:  Acta Radiologica Vol. 50, No. 7 ( 2009-09), p. 743-751
    Details
    In: Acta Radiologica, SAGE Publications, Vol. 50, No. 7 ( 2009-09), p. 743-751
    Abstract: Background: The detection rate of hepatic falciform ligament artery (FLA) has been reported as ranging from 2–25%. The rate of FLA on laparotomy, however, is reported to be higher, at 68%. Purpose: To compare the detection rate of FLA on computed tomography hepatic arteriography (CTHA) with that on angiography and dynamic CT, and to clarify the clinical significance of FLA in patients with chronic liver disease. Material and Methods: 126 consecutive patients underwent CTHA angiography and dynamic CT to evaluate suspected liver tumors. Liver function was classified as follows: normal, n=5; Child-Pugh class A, n=94; B, n=21; and C, n=6. All CT images were obtained using multidetector (MDCT) scanners (Aquilion; Toshiba, Tokyo, Japan). For CTHA, CT images were obtained during contrast material injection through the left hepatic, proper, or common hepatic artery. On CT, FLAs were retrospectively identified within the hepatic falciform ligament and the hepatic round ligament by the paging method on a workstation (TWS-5000; Toshiba, Tokyo, Japan). The detection rates were compared among the three modalities (hepatic arterial phase of dynamic CT, CTHA, and angiography). The calibers of FLA were also correlated with the hepatic function of the patients. Results: The detection rates of FLA by angiography, dynamic CT, and CTHA were 37% (47/126), 10% (13/126), and 77% (97/126), respectively. The calibers of FLA increased as the hepatic function deteriorated ( P=0.001). Conclusion: The detection rates of FLA with CTHA are far higher than those with angiography and dynamic CT. Careful interpretation with recognition of FLA on CTHA images is important, as inadvertent embolization or chemotherapeutic infusion of the FLA may result in supraumbilical skin rash.
    Type of Medium: Online Resource
    ISSN: 0284-1851 , 1600-0455
    URL: Article
    DOI: 10.1080/02841850903036280
    RVK:
    XA 10000
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2009
    detail.hit.zdb_id: 2024579-8
    Location Call Number Limitation Availability
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Microcoil embolization through a downsized coaxial catheter system: An experimental study
    SAGE Publications ; 2009
    In:  Acta Radiologica Vol. 50, No. 5 ( 2009-06), p. 469-473
    Details
    In: Acta Radiologica, SAGE Publications, Vol. 50, No. 5 ( 2009-06), p. 469-473
    Abstract: Background: Most of the recently developed microcatheters for abdominal angiography still have large diameters at their trailing ends, and thus cannot be used for microcoil embolization in combination with a 3-French (F) system. Purpose: To evaluate the in vitro passage of microcoils through a newly developed 2-F microcatheter (Meister Cath Superselective Plus, MC6) that is compatible with a downsized coaxial catheter system (3-F system) in an experimental study. Material and Methods: We evaluated the passage of microcoils through MC6 within a blood vessel model using the saline flush technique. Six types of microcoils and 17 size variations (maximal curled diameter 2–10 mm, total length 20–140 mm) were used. We evaluated the passage and post-deployment shape of the microcoils as well as the volume of saline required to flush them. Results: In the experimental study, all microcoils passed through the MC6 and deployed in a satisfactory manner without catheter occlusion. The mean volumes of saline required to flush the TORNADO ( n=1), Reverse TORNADO ( n=6), HILAL ( n=1), Micronester ( n=3), VortX ( n=4), and C-Stopper Coil ( n=2) were 0.7 ml, 0.58±0.20 ml, 0.5 ml, 0.57±0.058 ml, 3.5±1.5 ml, and 0.70±0.14 ml, respectively. There was a statistically significant difference in the mean volume of saline required between the VortX and Reverse TORNADO ( P=0.029), and between the VortX and C-Stopper Coil ( P=0.031). The VortX required the greatest volume of saline. Conclusion: Microcoil embolization through a 3-F system appears to be feasible for the coils examined in this study.
    Type of Medium: Online Resource
    ISSN: 0284-1851 , 1600-0455
    URL: Article
    DOI: 10.1080/02841850902845848
    RVK:
    XA 10000
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2009
    detail.hit.zdb_id: 2024579-8
    Location Call Number Limitation Availability
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Prostate cancer detection: the value of performing an MRI before a biopsy
    SAGE Publications ; 2009
    In:  Acta Radiologica Vol. 50, No. 9 ( 2009-11), p. 1080-1088
    Details
    In: Acta Radiologica, SAGE Publications, Vol. 50, No. 9 ( 2009-11), p. 1080-1088
    Abstract: Background: In recent years, prostate-specific antigen (PSA) screening has been widely performed. As a result, patients who need to undergo a complete physical examination for an elevated PSA level have been rapidly increasing. Magnetic resonance imaging (MRI) examination has previously been reported to be effective for the detection of prostate cancer. Purpose: To evaluate the detectability of prostate cancer by performing MRI before biopsy, and to evaluate the relationship between detectability with MRI and cancer location, Gleason score (GS), and tumor size. Material and Methods: MRI was performed at 1.5 Tesla in 122 consecutive patients before biopsy. The detectability of prostate cancer, including sensitivity and positive predictive value (PPV) of transrectal ultrasonography (TRUS), T2-weighted imaging (T2WI), diffusion-weighted imaging (DWI) ( b=2000 s/mm 2 ), apparent diffusion coefficient (ADC) map, and biopsy, was calculated using whole-mount section histopathology as a gold standard. In addition, the relationship between the detectability on each MRI sequence and factors such as cancer location (peripheral zone vs. transition zone), GS 5–10, short-axis diameter (≤4 mm, 5–9 mm, ≥10 mm), and long-axis diameter (≤9 mm, 10–19 mm, ≥20 mm) were also evaluated. Results: The sensitivities of TRUS, T2WI, DWI, ADC map, and biopsy were 26.9%, 41.2%, 56.7%, 57.7%, and 75.1%, respectively, and the PPVs of those modalities were 73.0%, 83.0%, 86.4%, 87.2%, and 91.5%, respectively. There was no correlation between the sensitivity of each MRI sequence and cancer location. The sensitivity of each MRI sequence increased as GS and short- and long-axis diameters of cancer lesions increased. Conclusion: MRI before a biopsy has a high detectability of prostate cancer, particularly with tumor size of more than 5 mm in short-axis diameter or 10 mm in long-axis diameter.
    Type of Medium: Online Resource
    ISSN: 0284-1851 , 1600-0455
    URL: Article
    DOI: 10.3109/02841850903216718
    RVK:
    XA 10000
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2009
    detail.hit.zdb_id: 2024579-8
    Location Call Number Limitation Availability
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    Online Resource
  • 4
    Online Resource
    Online Resource
    Juxtacortical Chondroma of the Hand: Treatment by Resection of the Tumour and the Adjacent Bone Cortex
    SAGE Publications ; 2005
    In:  Journal of Hand Surgery Vol. 30, No. 4 ( 2005-08), p. 401-405
    Details
    In: Journal of Hand Surgery, SAGE Publications, Vol. 30, No. 4 ( 2005-08), p. 401-405
    Abstract: A recurrence of a juxtacortical chondroma of the finger after marginal excision prompted us to review the treatment of this condition. Although the recommended treatment is simple curettage or marginal excision, the reported recurrence rate is significantly higher for lesions in the hand than those in other locations and recurrences only occurred in patients who had local treatments which did not include excision of the adjacent bone cortex. We report five patients with juxtacortical chondroma of the fingers. The first patient underwent marginal excision without resection of the underlying bone cortex. The other four patients underwent intralesional, marginal or wide excisions of tumour with resection of the bone cortex underlying the lesion. Recurrence was only seen in the patient who did not undergo resection of the bone cortex. Resection of the underlying bone cortex after excision of this tumour may be advisable for the treatment of this tumour in the hand to reduce the rate of recurrence.
    Type of Medium: Online Resource
    ISSN: 0266-7681
    URL: Article
    DOI: 10.1016/J.JHSB.2005.03.013
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2005
    detail.hit.zdb_id: 2376920-8
    Location Call Number Limitation Availability
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    Online Resource
  • 5
    Online Resource
    Online Resource
    Prostate Cancer Detection: The Value of Performing an MRI before a Biopsy
    SAGE Publications ; 2009
    In:  Acta Radiologica
    Details
    In: Acta Radiologica, SAGE Publications
    Type of Medium: Online Resource
    ISSN: 0284-1851
    URL: Article
    DOI: 10.1080/02841850903216718
    RVK:
    XA 10000
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2009
    detail.hit.zdb_id: 2024579-8
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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