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  • 1
    Electronic Resource
    Electronic Resource
    Vaginal occlusion induced by cancer therapy (1993)
    Springer
    Pediatric radiology 23 (1993), S. 369-370 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two adolescent girls with acquired vaginal occlusion and resultant hematometracolpos are presented. Both are long-term survivors of childhood malignancies, who prior to multiagent chemotherapy and pelvic irradiation had normal uteri by imaging. Both were amenorrheic post therapy. Routine follow-up computed tomography (CT) scans to monitor their malignancies demonstrated unexpected cystic pelvic masses, subsequently diagnosed as hematometracolpos.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02011961
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  • 2
    Electronic Resource
    Electronic Resource
    Radiographic findings in 13q-syndrome (1993)
    Springer
    Pediatric radiology 23 (1993), S. 545-548 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Of 169 children with retinoblastoma treated at our institution between 1962 and 1993, 5 had concurrent severe mental retardation, hypotonia, and abnormalities of constitutional chromosome 13. The associated skeletal abnormalities of these 5 children are described and include delayed skeletal maturation, metaphyseal abnormalities, microcrania, facial bone abnormalities, and gracile long bones.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02012146
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Limb-sparing procedures: postoperative planar bone scan appearance (1996)
    Springer
    Pediatric radiology 26 (1996), S. 750-753 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective. The objective of this study was to evaluate the postoperative technetium-99m-labeled methylene diphosphonate (99mTc-MDP) scintigraphic appearance of limb-sparing procedures in patients treated for bone tumors.Materials and methods. We retrospectively reviewed the medical records and assessed planar bone scans, subjectively and semiquantitatively, of all patients treated with limb-sparing procedures at our institution who survived at least 1 year following resection of the primary lesion.Results. The operative sites of 20 of the evaluable 45 patients (44 %) demonstrated normal tracer avidity during follow-up (median 12 months). Nine patients (20 %) demonstrated normal avidity on their first follow-up bone scans (median 6 months). Coincident99mTc-MDP bone scans were obtained on 11 patients who developed 12 postoperative complications or injury during the study and accurately identified the lesion in eight (67 %).Conclusion. Although many patients have abnormal99mTc-MDP avidity in the operative site after limb-sparing surgery, almost half eventually have normalization of uptake. However, planar bone scans have limited use for assessing the primary tumor site postoperatively as persistent abnormal avidity may preclude detection of changes associated with development of postoperative complications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01383399
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Sacrococcygeal yolk sac carcinoma: Imaging findings during treatment (1996)
    Springer
    Pediatric radiology 26 (1996), S. 212-219 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Sacrococcygeal teratomas and their malignant counterparts (germ cell tumors) are the most common solid tumors in neonates. Prompt diagnosis is essential because the frequency of malignant transformation increases from 10–20 % in neonates to 67 % in patients over 2 months of age. Cross-sectional imaging has largely replaced surgical exploration for staging these tumors and assessing their response to chemotherapy. Radiologists must be familiar with changes in the imaging findings of these tumors during and after treatment so that they can advise clinicians regarding the efficacy of therapy and the presence or absence of recurrent disease. From our study, magnetic resonance imaging appears to be a better modality for assessing sacral invasion and metastases and distinguishing fibrotic masses from recurrent tumor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01405303
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Imaging aspects of neurologic emergencies in children treated for non-CNS malignancies (2000)
    Springer
    Pediatric radiology 30 (2000), S. 558-565 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract There is a paucity of radiologic literature addressing neurologic emergencies in children receiving therapy for non-CNS primary malignancies. In the acute setting, many of these children present to local community hospitals. This pictorial is from a single institutional experience describing the spectrum of neurologic emergencies seen in children with non-CNS cancers. We hope to familiarize pediatric radiologists with these entities in order to expedite diagnosis, facilitate treatment, and minimize morbity and mortality that may be associated with these complications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002470000271
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Multifocal osteolysis following limb-sparing procedures: imaging findings and a review of the literature (1996)
    Springer
    Pediatric radiology 26 (1996), S. 158-161 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Limb-sparing procedures utilizing endoprostheses improve both the quality of life and functional level of patients treated for primary bone sarcomas. Herein, we present the imaging findings of an uncommon cause of prosthetic failure, i. e., foreign body reaction, manifested by progressive multifocal osteolysis along the prosthetic femoral shaft.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01372099
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Postoperative small-bowel intussusception in children with cancer (1995)
    Springer
    Pediatric radiology 25 (1995), S. 21-23 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The clinical and imaging features of small-bowel intussusception as a complication of abdominal surgery are not well known. Diagnosis may be delayed because symptoms mimic common postoperative complaints. In pediatric cancer patients, the side effects of chemotherapy and symptoms related to the primary malignancy may also obscure the diagnosis. We report the clinical and radiographic features of eight children undergoing evaluation and treatment for solid tumors who developed small-bowel intussusception following laparotomy. These children represent 2.2% of all children and adolescents who underwent laparotomy at a pediatric cancer research and treatment center during a 13-year period. With prompt diagnosis and intervention, morbidity and mortality from this rare but lifethreatening postoperative complication can be avoided.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02020835
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Pilot study of noninvasive detection of venous occlusions from central venous access devices in children treated for acute lymphoblastic leukemia (1999)
    Springer
    Pediatric radiology 29 (1999), S. 570-574 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background. Survivors of childhood acute lymphocytic leukemia (ALL) are at risk of venous occlusion induced by central venous access devices (CVADs). A sensitive, noninvasive screening technique to identify the magnitude of this problem is needed. Ultrasound (US) cannot always adequately image the innominate veins or the superior vena cava. Magnetic resonance angiography (MRA) can be noninvasive and may be useful for screening these patients. Objective. We examined the suitability of US and MRA to identify venous occlusion. Materials and methods. We used MRA and ultrasound to examine 11 pediatric patients previously treated for ALL. CVADs had been in place a median of 2.5 years (range, 0.4–2.8 years) and removed a median of 2.1 years (range, 0.6–2.9 years) previously. We also performed 2D time-of-flight magnetic resonance angiography (TOF MRA) on two healthy young adult women with no history of venous abnormality or CVAD use. Results. MRA suggested central venous abnormalities in 8 of the 11 ALL survivors and in both healthy control subjects. US results were negative in all 11 survivors. Conclusion. Further investigation is warranted to develop a sensitive and specific noninvasive method for identifying venous occlusion caused by prior CVAD use. Such a method would allow prospective studies of this complication in pediatric ALL survivors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002470050649
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Multiple myeloma in an adolescent (1992)
    Springer
    Pediatric radiology 22 (1992), S. 293-295 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The radiographic findings of a 15-year-old Brazilian male with diagnosis of multiple myeloma are described. He presented with claudication and recent onset of tender painful swelling of the right mid leg. Radiographs showed wide spread “soap bubble” lesions of the skull, long bones, spine, pelvis, ribs, shoulders, and clavicles. The diagnosis was confirmed by the presence of a plasmacytoma on tissue biopsy (femur), serum IgG gammopathy and Bence-Jones proteinuria.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02019864
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    Paper (German National Licenses)
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