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  • 1
    ISSN: 1432-1084
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 9 (1999), S. 192-200 
    ISSN: 1432-1084
    Keywords: Key words: Sarcoma ; Metastasis ; MRI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Both the prognosis and the morbidity of a patient with a primary malignant musculoskeletal tumour have improved over the past 25 years due to the advent of adjuvant chemotherapy and limb-sparing surgery. This has important implications for the role of imaging at the time of initial diagnosis and during follow-up. This pictorial essay reviews the imaging and pitfalls in the interpretation of musculoskeletal sarcoma metastases using a variety of radiological techniques. The optimal imaging strategy will be stressed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 7 (1997), S. 1446-1448 
    ISSN: 1432-1084
    Keywords: Key words: Osteosarcoma ; Bone scintigraphy ; MRI ; Skip metastasis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The accurate pre-operative evaluation of the intramedullary extent of osteosarcoma is essential, as it determines the level of bone resection. Radiographs, isotope bone and MR imaging scans have been considered as reliable in detecting skeletal metastasis and skip lesions. We report a case of osteosarcoma of the distal femur with a large skip lesion proximally which was not visualized by either routine radiography or bone scintigraphy, and was not included within the scan field on the initial MR imaging scan. The implications on patient management and possible reasons for failure of imaging to reveal the skip metastasis are discussed.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 8 (1998), S. 791-799 
    ISSN: 1432-1084
    Keywords: Key words: Recurrent sarcoma ; MRI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The prognosis for a patient with a musculoskeletal sarcoma has improved considerably over the past two decades largely due to the use of adjuvant chemotherapy. Surgical techniques have become more sophisticated with limb salvage, the preferred management in the majority of cases. Imaging plays an important role in the assessment of suspected local recurrence of tumor. This pictorial essay reviews the different imaging options and highlights various pitfalls in the detection and diagnosis of recurrence. The role of magnetic resonance imaging in this respect is stressed.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Der Radiologe 38 (1998), S. 492-501 
    ISSN: 1432-2102
    Keywords: Schlüsselwörter Osteosarkom ; MR-Bildgebung ; Röntgen ; Key words Osteosarcoma ; MR imaging ; X-ray
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Osteosarcoma is the most common primary malignant bone tumour with the exception of myeloma. The majority of osteosarcoma cases arise within bone and are called conventional osteosarcoma. Intraosseous variants include telangiectatic, small-cell, low-grade intraosseous and cortical osteosarcoma. Less than 10% of osteosarcomas arise on the surface of bone and are subdivided into periosteal, high-grade surface and parosteal varieties. The imaging features of these subtypes of osteosarcoma are described and the impact on diagnosis highlighted. Using material from over 750 osteosarcomas treated at the author’s centre, this article reviews the role of imaging in the management of this condition. Detection still relies principally on the conventional radiograph with bone scintigraphy and MR imaging useful in occult tumours. Establishing the radiological diagnosis depends on careful analysis of the radiographs, with particular attention paid to the nature and extent of bone destruction, periosteal new bone formation and matrix mineralization. The prudent radiologist will be wary of those bone conditions, such as stress fractures and osteomyelitis, which are frequently mistaken for osteosarcoma. Appropriate surgical staging requires MR imaging of the primary tumour to show the bony and soft tissue extent of the lesion and to confirm/exclude skip metastases and local lymph-node involvement. Staging should also include bone scintigraphy to confirm/exclude multiple lesions and chest CT to confirm/exclude pulmonary metastases. Following definitive surgery, imaging is used in the follow-up to monitor potential local recurrence and the development of pulmonary or osseous metastases.
    Notes: Zusammenfassung Das Osteosarkom ist abgesehen vom Myelom der häufigste primäre bösartige Knochentumor. Die überwiegende Mehrzahl der Osteosarkome kommen innerhalb des Knochens vor und werden „konventionelle Osteosarkome” genannt. Die im Knochen vorkommenden Varianten beinhalten teleangiektatische, kleinzellige, niedrig differenzierte intraossäre und kortikale Osteosarkome. Weniger als 10% der Osteosarkome treten an der Knochenoberfläche auf. Diese werden in periosteale, hochgradig differenzierte, oberflächliche und paraostale Varianten unterteilt. Im folgenden werden Osteosarkom-Bildgebungsmethodik und ihr Einfluß auf Diagnose und Therapie diskutiert. Basis dafür sind 750 Osteosarkomen, die am klinischen Zentrum des Autors behandelt wurden. Die Erkennung des Tumors beruht immer noch auf konventionellen Röntgenaufnahmen, während Knochenszintigraphie und Kernspintomographie helfen, diskrete Tumoren aufzuspüren. Die radiologische Diagnose gründet sich auf sorgfältigen Röntgenbildanalysen, unter spezieller Berücksichtigung von Natur und Ausdehnung der Knochendestruktionen, periostalen Knochenneubildungen und Matrixverkalkungen. Streßfrakturen und Osteomyelitiden können differentialdiagnostische Probleme aufwerfen. Die chirurgische Stadieneinteilung beruht auf der kernspintomographischen Darstellung des Primärtumors. Mit ihrer Hilfe kann das Ausmaß des Tumors in Knochen und Weichteilen erkannt, Metastasen bestätigt oder ausgeschlossen sowie der Befall regionärer Lymphknoten abgegrenzt werden. In die Stadieneinteilung sollte auch Knochenszintigraphie sowie Thoraxcomputertomographie mit einbezogen werden, um multiple Läsionen bzw. Lungenmetastasen auszuschließen. Anschließend an die chirurgische Behandlung wird die Bildgebung in Nachsorgeuntersuchungen eingesetzt, um Lokalrezidive und Lungen- bzw. Knochenmetastasen zu erfassen.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Skeletal radiology 26 (1997), S. 722-724 
    ISSN: 1432-2161
    Keywords: Key words Ewing’s sarcoma ; Solitary bone cyst ; Malignancy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  This report describes a rare case of Ewing’s sarcoma presenting as a cystic lesion in the proximal humeral metaphysis. The clinical, pathological and radiological findings are described and discussed, with emphasis on the radiological appearances.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Skeletal radiology 28 (1999), S. 111-115 
    ISSN: 1432-2161
    Keywords: Key words Bone neoplasms ; Osteosarcoma ; Parosteal osteosarcoma ; Metatarsal ; MRI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  A 70-year-old man presented with increasing swelling of 2 years’ duration, on the dorsal aspect of the forefoot. Imaging studies revealed a heavily calcified surface lesion of bone with early invasion of the underlying second metatarsal. Both imaging findings and the subsequent resection histology were consistent with a parosteal osteosarcoma, which is particularly rare at this site and at this age. The differential diagnosis of a mineralizing surface lesion of bone arising in the foot is discussed.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Skeletal radiology 28 (1999), S. 159-162 
    ISSN: 1432-2161
    Keywords: Key words SAPHO syndrome ; CT ; Parosteal osteosarcoma ; Sternoclavicular joints
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Considerable attention has been paid in the past 10 years to the radiological spectrum of disease entities belonging to the SAPHO syndrome. We report an unusual case presenting with an extra-axial (femoral) lesion, prior to description of this syndrome, which was radiologically and histologically mistaken for a parosteal osteosarcoma. Nineteen years later, a further lesion developed in the scapula together with the typical sternoclavicular manifestations, at which stage the correct diagnosis of SAPHO syndrome was established.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Skeletal radiology 27 (1998), S. 633-636 
    ISSN: 1432-2161
    Keywords: Key words Melorheostosis ; Multicentric fibromatosis ; C7 sclerotome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  A case of melorheostosis affecting the C7 sclerotome is described, in association with synchronous multicentric fibromatosis. The foci of fibromatosis also affected the C7 sclerotome, suggesting a similar underlying pathogenesis for both diseases.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Skeletal radiology 26 (1997), S. 667-670 
    ISSN: 1432-2161
    Keywords: Key words Intraosseous ganglia ; Juxta-articular bone cysts ; Fluid-fluid levels ; MRI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  A case of an intraosseous ganglion with a fluid-fluid level visualised on MR imaging is presented. We discuss its possible pathogenesis and review other lesions that may exhibit this sign.
    Type of Medium: Electronic Resource
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