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  • 1
    Digitale Medien
    Digitale Medien
    The conus medullaris: Time of ascendence to normal level (1992)
    Springer
    Pediatric radiology 22 (1992), S. 590-592 
    Details
    ISSN: 1432-1998
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract This study was intended to determine the level of the conus medullaris in normal babies. We examined 114 healthy infants using high resolution ultrasound which identified the spinal cord and the tip of the conus medullaris. This method provided a good analysis of the level of the conus medullaris so that we could assess the rate of ascent to L1/2. The range of the conus level for all children was at TH12/L1 interspace to L4.78% of babies aged between the 30th and 39th postmenstrual week had the tip of the conus medullaris between L2 and L4. 84% of babies aged between the 40th and 63rd postmenstrual week had their conus level between TH12/L1 and L1/2 interspace. In one girl aged 53 weeks the tip was found at L4. Ultrasound is a reliable method to observe the development of the conus level in young infants and to identify a tethered cord.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02015359
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  • 2
    Digitale Medien
    Digitale Medien
    Book review (1989)
    Springer
    Pediatric radiology 19 (1989), S. 263-263 
    Details
    ISSN: 1432-1998
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02386850
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  • 3
    Digitale Medien
    Digitale Medien
    Book reviews (1988)
    Springer
    Pediatric radiology 18 (1988), S. 180-180 
    Details
    ISSN: 1432-1998
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02387573
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  • 4
    Digitale Medien
    Digitale Medien
    Book reviews (1990)
    Springer
    Pediatric radiology 21 (1990), S. 80-80 
    Details
    ISSN: 1432-1998
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02010827
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  • 5
    Digitale Medien
    Digitale Medien
    Ovarian cysts in the fetus and neonate—changes in sonographic pattern in the follow-up and their management (1992)
    Springer
    Pediatric radiology 22 (1992), S. 395-400 
    Details
    ISSN: 1432-1998
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract In a multicenter trial we retrospectively evaluated the clinical and sonographic data of 49 neonatal ovarian cysts, 44 of which were detected prenatally and 5 on the first day after delivery. Of the 44 prenatally detected cysts 39 were purely cystic, 5 echogenic or had a mixed pattern. In 20 patients the cystic appearance changed during delivery from purely cystic to a mixed pattern being independent on the size of the cyst. 26 of the 44 cysts were treated surgically. Salpingotorsion was found in 8 and was independent on the size of the cyst. In 15 a salpingo-oophorectomy or oophorectomy was performed, in 11 the ovary was saved. 23 patients were followed sonographically: 15 cysts showed complete resolution within 14 months without correlation to the sonographic pattern. The volume of these cysts varied between 5 and 71 ml. Neonatal ovarian cysts disappear spontaneously frequently and rarely cause severe symptoms. The authors recommend follow-up by ultrasound as the primary modality. Surgical intervention is recommended only if the cyst is space-occupying and percutaneous puncture can not be performed or in the case of emergency.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02013494
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  • 6
    Digitale Medien
    Digitale Medien
    Sonographic evidence of intraperitoneal fluid an experimental study and its clinical implications (1984)
    Springer
    Pediatric radiology 14 (1984), S. 299-303 
    Details
    ISSN: 1432-1998
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract In order to evaluate the sensitivity of ultrasound to intraperitoneal fluid, such as ascites or blood, an experimental study was performed in the pig. Various amounts of fluid were injected into the peritoneal cavity to investigate distribution and diagnostic criteria in different positions. As little as 10 ml of fluid was visualized around the urinary bladder in an upright position. In the supine position, 20 ml could be detected around the bladder and 30 ml around the liver. The injection of at least 60 ml resulted in a pattern of free-floating bowel loops. The sonographic findings of fluid distribution were correlated to radiological studies. As different amounts of fluid produce characteristic sonographic patterns, an approximate estimation of the intraperitoneal fluid volume can be made.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01601880
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  • 7
    Digitale Medien
    Digitale Medien
    Therapeutic use of surfactant in neonatal respiratory distress syndrome (1992)
    Springer
    Pediatric radiology 22 (1992), S. 169-173 
    Details
    ISSN: 1432-1998
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract As part of a multicenter surfactant rescue study, the chest X-rays of 239 preterm and term infants were analyzed. To study the influence of surfactant administration on radiographic appearance, 130 patients with a clinical and radiological diagnosis of typical respiratory distress syndrome were selected, in whom adequate chest x-rays before and within 48 h after treatment were available. Median gestational age was 30 weeks (range 25–38 weeks), median birth weight was 1335 g (range 625–3450). The time of surfactant application ranged between 90 min and 24 h after birth (median 6 h). The most common finding after surfactant administration was uniform (n=47) or disproportionate (n=46) improvement of pulmonary aeration, which showed a significant correlation to posttreatment reduction of oxygen requirement (p〈0.001). Asymmetric clearance was more often localized on the right side and usually disappeared within two to five days. Only in 13 patients no change of ventilation was found. Development of interstitial emphysema (n=24, including three patients with pneumothorax) after surfactant treatment was an unfavourable prognostic sign. 54% of these patients (13 of 24) died within the first month of life, compared to 8% (7 of 93) in the group of patients with initial improvement of ventilation.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02012487
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  • 8
    Digitale Medien
    Digitale Medien
    Book reviews (1988)
    Springer
    Pediatric radiology 18 (1988), S. 249-250 
    Details
    ISSN: 1432-1998
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02390409
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  • 9
    Digitale Medien
    Digitale Medien
    Hydrostatic reduction of intussusception under US guidance (1995)
    Springer
    Pediatric radiology 25 (1995), S. 530-534 
    Details
    ISSN: 1432-1998
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The current nonoperative management of ileocolic intussusception includes hydrostatic and pneumatic reduction, both performed under fluoroscopic monitoring. Recently, a new technique — ultrasoundguided reduction — replaced the conventional approach in our institution. Over a 20-month period, 46 intussusceptions were diagnosed sonographically in 40 patients. In all cases, reduction was attempted under ultrasound guidance by means of a normal saline enema. In 42 cases (91%) reduction was successful and only four patients had to be operated (two resections, two manual reductions). Complications did not occur. this technique permits distinct visualization of the entire process, providing a clear and detailed echogram of the fluid-filled large and small intestine. We established the following definite criteria of reduction: disappearance of the target, demonstration of the ileocecal valve, visualization of the fluid reflux, and fluid filling of small bowel loops. The presented technique for the reduction of intussusception without radiation exposure is reliable and safe, and appears to be one of the most promising methods for the nonoperative treatment of ileocolic intussusception.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02015786
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  • 10
    Digitale Medien
    Digitale Medien
    The post-reduction donut sign (1994)
    Springer
    Pediatric radiology 24 (1994), S. 156-160 
    Details
    ISSN: 1432-1998
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract A donut-shaped intestinal structure in the lower right abdomen, observed during abdominal ultrasound investigation following nonoperative intussusception reduction, may create a diagnostic problem concerning differentiation from a residual or recurrent intussusception or underlying small bowel disease. In 30 cases of ileocolic intussusception an abdominal ultrasound examination was performed after reduction, the success of which was proven by radiological and clinical criteria. More than half of the examinations showed an aperistaltic “donut” in the ileocecal region which was similar to the target sign commonly seen in intussusception. Differentiation was possible according to the following two criteria: first, the diameter of the donut was smaller than that of the original target sign seen in these patients. Second, the donut consisted of a broad hypoechoic rim and an echogenic center, whereas the target was normally composed of multiple concentric rings. One third of the patients showed localized thickening of the walls of the distal ileal loops which did not cause diagnostic problems. All of the suspicious intestinal structures disappeared within the first 5 days following reduction. It is our opinion that the post-reduction donut correlates with significant edema of the ileocecal valve and does not represent a mechanical lead point or persisting residual intussusception.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02012175
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