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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 60 (1982), S. 311-316 
    ISSN: 1432-1440
    Keywords: Granulomatosis ; Striated muscles ; Angiitis ; Granulomatose ; quergestreifte Muskulatur ; Angiitis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die lymphomatoide Granulomatose (LYG) wird als besonderes Krankheitsbild angesehen, das primär die Lungen und gelegentlich den oberen Respirationstrakt befällt. Die typischen histopathologischen Veränderungen zeigen eine nichtneoplastische lymphoproliferative Erkrankung, verbunden mit Nekrosen im infiltrierten Gewebe und mit angiodestruktiven Prozessen. Die Autoren beschreiben einen Fall, in dem die für die lymphomatoide Granulomatose typischen Veränderungen zuerst in der quergestreiften Muskulatur auftraten. In diesem Fall fanden sich multiple tumoröse Muskelinfiltrate und Infiltrate in Pharynx, Larynx, den paranasalen Sinus und in der Orbita vor der Lungeninfiltration, die 6 Monate nach dem ersten Muskelinfiltrat und 2 Monate vor dem Tod nachgewiesen wurde. Da eine primär muskuläre Manifestation der lymphomatoiden Granulomatose bis jetzt nicht beschrieben wurde, ist dieser Fall wegen seiner ungewöhnlichen Manifestation und der ausgesprochenen Therapieresistenz bemerkenswert. Die klinischen und experimentellen Daten sprechen für eine gestörte T-Zellfunktion.
    Notes: Summary Lymphomatoid granulomatosis (LYG) has been recognized as a peculiar disease which primarily affects the lungs and occasionally the upper respiratory tract. Typical histopathologic lesions present features of a nonneoplastic lymphoproliferative disorder associated with necroses of the infiltrated tissues and with angiodestructive processes. The authors observed a peculiar case in which lesions typical for LYG first developed in the striated muscles. In this case multiple tumorous muscular infiltrates and affections of the pharynx, larynx, paranasal sinuses, and orbita preceded the infiltration of the lung, which was first recognized 6 months after the first muscular infiltrate and 2 months before death. Because primary muscular manifestation of LYG has never been reported, this case is remarkable both for its unusual manifestation and for its striking irresponseveness towards therapy. Clinical and experimental data suggest impairment of T-cell functions.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1084
    Keywords: Key words: Neobladder ; Continent urinary diversion ; 3D CT imaging ; Virtual endoscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The aim of this pilot study in 54 patients was to improve the visualization of the anatomy and postoperative changes in the pelvic topography after bilateral ureteroileal urethrostomy, using surface rendering of electron beam CT (EBCT) data for the 3D display. Fifty-four patients (39 men and 15 women) were scanned with an EBCT unit between 3 and 110 months after performing orthotopic ureteroileal urethrostomy (“Hemi-Kock”) or ureteroileal rectosigmoidostomy. Various parameters and spatial viewing points were used in the 3D reconstruction, which was performed interactively on external workstations with commercially available software. The anti-reflux nipple was visualized as a distinct structure in all patients. In 8 patients with an interval of more than 12 months between surgery and CT, the pouch had developed an ovoid shape almost indistinguishable from the original bladder. The segmented data sets were partly animated to display the anatomy as virtual endoscopy. Three-dimensional depiction and virtual endoscopy of the neobladder using EBCT are a new way of imaging the postoperative anatomy. Its clinical efficacy in the diagnosis of inconclusive postoperative morbidity, especially voiding problems, and planning of necessary therapy have to be the subject of further evaluation.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1084
    Keywords: Colour-coded sonography ; Parenchymal scars ; Percutaneous nephrolithotomy (PCNL) ; Sonography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We examined 50 asymptomatic patients 6–60 months after percutaneous nephrolithotomy (PCNL) by high-resolution sonography and additional colour-coded sonography and compared our results with the preoperative sonograms and the operative records. No lesions of larger vessels were detected, either arteriovenous fistulate or pseudoaneurysms. Avascular band-shaped hyperechoic parenchymal stripes were found in 17 of 50 patients (35%). As these did not appear in the preoperative sonograms, and as the stripes were in the same orientation as the neprrostomy canal, we believe them to be scar tissue.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1084
    Keywords: Male sphincter externtus of urethra ; Transurethral sonographv ; Anatomic ; Sonomorphologic correlation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Sonoenorphotogic criteria of male urethral external sphincter under normal and pathologic conditions were evaluated by direct visualization with endoluminal US and correlated with normal anatomy. Between October 1992 and August 1993 18 patients were examined prospectively. We used a 12.5 MHz interventional US machine eduipped with a Sonicat 9-French catheter system. In all cases the anatomic structure of the external male urethral sphincter was visualized and demonstrated not in the expected circular configuration, but rather in an “omega sign” of the muscle and fibers, functioning with retraction of the ventral and lateral parts of the muscle, surrounding the urethra. Disorders of muscular function were revealed in 8 cases, and 6 cases demonstrated scarring and thinning of the muscle. Endoluminal-US offers the possibility of direct visualization not only of the male external sphincter, but also of the contracting mechanism in cross-sectional view. An exact description of sonoanatorny and the pathoenorphologic correlation is more accurate. The method therefore has the benefit of better access to further therapeutic considerations.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1084
    Keywords: Peyronie's disease (IPP) ; Endoluminal ultrasound ; Magnetic resonance imaging ; Corpus spongiosum ; Corpus cavernosum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report the case of a 44-year-old male presenting with deviation of the penis during erection. Upon physical and clinical examination the patient did not have the typical findings of Peyronie's disease, therefore he was admitted for further evaluation by conventional sonography, duplex Doppler ultrasound, endourethral ultrasound and magnetic resonance imaging (MRI). Endourethral ultrasound and MRI provided evidence of Peyronie's disease with atypical involvement of the corpus spongiosum and, in addition, demonstrated nonpalpable plaques in the septum of the penis.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 2 (1992), S. 517-519 
    ISSN: 1432-1084
    Keywords: Post-operative CT imaging ; Shoulder joint ; Bone graft ; Resorption of graft
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Between 1984 and 1990 312 patients underwent surgery for habitual or recurrent shoulder dislocation. Out then, 65 had a post-operative CT examination. This retrospective study was launched to demonstrate the value of CT in post-operative shoulder imaging. In most cases, CT was done using standardised techniques without contrast medium. Except in 4 cases, an intra-articular double-contrast technique was used. Evaluation was focused on 41 cases after implantation of a wedged bone graft in cases of primary or secondary flat glenoid or widening of a small glenoid with cortical consoles and bone block. The results demonstrate the effectiveness of standardised CT technique in that all necessary information concerning stabilisation of the shoulder joint, sufficient implant of bone grafts and assessment of correct inclination after osteotomy were obtained.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1084
    Keywords: Induratio penis plastica (IPP) ; Peyroni'es Disease ; Ultrasound ; MRI ; Gadolinium-enhanced
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Penile induration, a disease of connective tissue, requires the precise delineation and differentiation of inflammatory changes (plaques) for accurate therapy. Seventy two patients with clinically suspected Induratio penis plastica (IPP) underwent ultrasound examination between 1984 and 1991. In 37 patients (aged 18 to 80) the diagnosis was proven by ultrasound. Out of this group 27 patients were examined with magnetic resonance imaging (MRI), 15 of them with additional intravenous application of adolinium DTPA (Gd-DTPA). All examinations were performed within four weeks. The results showed, that ultrasound was able to detect plaques and changes of the tunica albuginea in all 37 cases, but MRI was more sensitive in the detection of possible inflammatory change (T2-prolongation and moderate Gd-DTPA enhancement in gradient-echo sequences. MRI revealed inflammatory changes in 22 of 27 examined patients while ultrasound detected only nine such cases out of 37. Ultrasound is the method of choice in diagnosing IPP, due to the overall sensitivity to plaques and changes in the tunica. On the other hand MRI offers valuable additional information with respect to inflammatory changes particularly after Gd-DTPA. Therefore MRI has the potential to improve therapeutic planning and should be used in monitoring therapeutic effects.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-1084
    Keywords: Hypertension ; Renovascular ; Kidney ; Doppler ultrasound ; Lithotripsy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In order to identify a high-risk group for the development of arterial hypertension after extracorporeal shock wave nephrolithotripsy (ESWL), we correlated the increase in renovascular resistance induced by ESWL in 79 normotensive patients with changes in arterial blood pressure occurring 20 (+-3) months after therapy. Renal vascular resistance was measured as resistive index (RI) by duplex Doppler sonography in both kidneys. Mean RI before treatment was 0.620±0.035 (SD). After treatment, we observed a significant and age-dependent increase in the RI in the treated kidney to 0.673 ± 0.06. Of the patients with a post-ESWL RI〉 0.690, 39% developed hypertension. Posttherapy RI values surpassing 0.690 showed a 0.8 sensitivity and a 0.7 specificity in predicting arterial hypertension. Intrarenal Doppler ultrasound (US) is useful to find the high-risk group for arterial hypertension after ESWL.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-1084
    Keywords: Key words: Striated urethral sphincter ; Endoluminal ultrasound ; Urinary incontinence ; Urodynamics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The aim of our study was to evaluate the striated urethral sphincter (rhabdosphincter) in incontinent females by means of intraurethral ultrasound (IUUS). Thirty-four incontinent and 11 continent female patients were examined by means of 12.5-MHz endoluminal ultrasound (US). The distance between the inner contour of the sphincter muscle and the US catheter was measured in the contracted and the non-contracted condition. The US findings were correlated with those obtained by urodynamic studies. Partial or complete loss of sphincter function was detected in patients with stress urinary incontinence (SUI). Reduced sphincter function was not observed in patients with urge incontinence and continent volunteers. The findings on US were found to correlate well with the grade of SUI. The IUUS technique offers the benefit of direct visualization of the sphincter mechanism. Therefore, endoluminal US may become an important adjunct in the diagnostic evaluation of SUI and will possibly provide new insights for a better therapeutic strategy.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 8 (1998), S. 1590-1593 
    ISSN: 1432-1084
    Keywords: Key words: Cerebral fat embolism ; Imaging ; MRI ; CCT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The purpose of this retrospective study was to demonstrate the MRI features of cerebral manifestations in patients with fat embolism syndromes in comparison with cerebral CT (CCT). Magnetic resonance imaging was performed according to standard protocols revealing multiple small non-confluent hyperintense intracerebral lesions larger than 2 mm on proton-density and T2-weighted images to various extents in three of four patients with clinically suspected cerebral fat embolism. Cerebral CT was negative in all patients. Our findings confirm that MRI can detect cerebral fat embolism with a higher sensitivity than CCT. Thus, MRI should be the first choice for imaging of cerebral fat embolism.
    Type of Medium: Electronic Resource
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