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  • B mode sonography  (1)
  • Gadolinium  (1)
  • Rejection, T-cell repertoire  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Immune repertoire of graft-invading T cells (1990)
    Springer
    Transplant international 3 (1990), S. 176-180 
    Details
    ISSN: 1432-2277
    Schlagwort(e): T-cell repertoire ; Organ transplantation, T-cell repertoire ; Rejection, T-cell repertoire
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The immune repertoire of T lymphocytes invading human allografts is of fundamental importance both at the operational level, in order to achieve relevant matching, and at the functional level, since the unique capacity of T and B cells to specifically recognize allogeneic components restricts the origin of the signals leading to rejection by these cells. In this paper, the authors review their own work, as well as other contributions in this domain, with special reference to the frequency and function of donor-committed cells among the infiltrate and the relationship between T-cell receptor gene rearrangements and repertoire.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00355467
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    0.5 T MRI of small renal masses: value of T2-weighted and Gd-DOTA-enhanced images (1993)
    Springer
    European radiology 3 (1993), S. 447-452 
    Details
    ISSN: 1432-1084
    Schlagwort(e): Gadolinium ; Kidney, benign tumours ; Kidney, cysts ; Kidney, MRI studies ; Kidney, neoplasms ; MRI, contrast enhancement
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We compared the value of T2-weighted and Gd-DOTA-enhanced T1-weighted images for the detection and characterisation of 33 small renal masses (14 clear cell carcinomas, 6 angiomyolipomas, 3 angiomyomas, 4 adenomas, 3 papillary carcinomas, 3 oncocytomas, 1 haemorrhagic cyst). Dynamic enhanced MRI was performed to study the tumoral vascular supply (19 cases). MRI depicted all the masses more than 1 cm in diameter, but missed all the lesions less than 1 cm (4 false-negative). The results of T2-weighted images and Gd-DOTA-enhanced images were similar as regards detection; however, Gd-DOTA-enhanced images depicted more clearly the tumours smaller than 2 cm (11 cases). MRI enabled the characterisation of only 3 masses (2 angiomyolipomas, 1 haemorrhagic cyst). New MRI features are described for oncocytomas (low signal intensity on T1-weighted images, high signal intensity on T2-weighted images, early and marked enhancement on dynamic enhanced MRI). Dynamic enhanced MRI did not contribute to the differentiation of benign from malignant tumours.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00221422
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Varicocele: strategies in diagnosis and treatment (1999)
    Springer
    European radiology 9 (1999), S. 536-545 
    Details
    ISSN: 1432-1084
    Schlagwort(e): Key words: Varicocele ; Continuous Doppler ; Pulsed Doppler ; B mode sonography ; Color Doppler sonography ; Spermatic veins ; embolization
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract. Varicocele can be very easily diagnosed by physical examination and subsequently treated when it is painful or associated with testicular hypotrophy. However, palpability of the spermatic vein and reflux in low grade or even questionable varicoceles can be difficult to assess without imaging modalities. This can be a common problem for all physicians treating hypofertile men to decide whether the varicele needs to be treated or not. However, a gold standard that defines the presence of a subclinical varicocele has not yet been established. The different diagnostic tools based on ultrasonography investigated these past years to define a flow reversal in incontinent spermatic veins are presented in the first part of this review, with emphasis on subclinical varicocele. In the second part, we present our experience, together with a review of the literature concerning embolization of the spermatic veins as an alternative to surgery to treat varicoceles.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s003300050706
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