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  • 1
    Electronic Resource
    Electronic Resource
    Paranasal Sinus Pathology in Allergic and Non-Allergic Respiratory Tract Diseases (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 41 (1986), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Two hundred and seventy patients with asthma and/or rhinitis (162 or 60% allergic, 108 or 40 % non-allergic) were studied for sinus pathology by means of standard X-rays and tomograms. Sinus pathology was defined as abnormal sinus X-rays, either on standard or tomography. Fifty-four percent of the X-rays were classified as abnormal based on mucosal thickening, loss of translucency of the cavities or polyps. Asthma was significantly more often associated with sinus X-ray abnormalities (65.1 %) than rhinitis and/or chronic cough (44.4%). Loss of translucency of the cavities is more frequent in children, whereas mucosa thickening becomes more frequent with progressing age. Since in this prospective study the taking of X-rays of the sinuses was not dependent on or related to temporarily occurring symptoms which could be attributed to acute sinusitis, the presence of sinus abnormalities on X-rays can be considered as an indicator of the chronicity of airways diseases and might provide an indication for prophylactic therapy of the associated airway disease in a continuous way. The importance of sinus tomograms is stressed, since only 32.5% of the patients with mucosa thickening could be detected on standard X-rays.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1986.tb00306.x
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  • 2
    Electronic Resource
    Electronic Resource
    MR imaging of clear cell sarcoma (malignant melanoma of the soft parts): a multicenter correlative MRI-pathology study of 21 cases and literature review (2000)
    Springer
    Skeletal radiology 29 (2000), S. 187-195 
    Details
    ISSN: 1432-2161
    Keywords: Key words Clear cell sarcoma ; Malignant melanoma of soft parts ; MRI ; Magnetic resonance ; Neoplasm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Objective. To evaluate MR imaging and pathology findings in order to define the characteristic features of clear cell sarcoma of the soft tissues (malignant melanoma of the soft parts). Design and patients. MR examinations of 21 patients with histologically proven clear cell sarcoma of the musculoskeletal system were retrospectively reviewed and assessed for shape, homogeneity, delineation, signal intensities on T1- and T2-weighted images, contrast enhancement, relationship with adjacent fascia or tendon, secondary bone involvement, and intratumoral necrosis. In 19 cases the pathology findings were available for review and for a comparative MR-pathology study. Results. On T1-weighted images, lesions were isointense (n=3), hypointense (n=7) or slightly hyperintense to muscle (n=11). Immunohistochemical examination was performed in 17 patients. All 17 specimens showed positivity for HMB-45 antibody. In nine of 11 lesions with slightly increased signal intensity on T1-weighted images, a correlative MR imaging-pathology study was possible. All nine were positive to HMB-45 antibody. Conclusions. Clear cell sarcoma of the musculoskeletal system often has a benign-looking appearance on MR images. In up to 52% of patients, this lesion with melanocytic differentiation has slightly increased signal intensity on T1-weighted images compared with muscle. As the presence of this relative higher signal intensity on T1-weighted images is rather specific for tumors displaying melanocytic differentiation, radiologists should familiarize themselves with this rare entity and include it in their differential diagnosis when confronted with a well-defined, homogeneous, strongly enhancing mass with slightly higher signal intensity compared with muscle on native T1-weighted images.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002560050592
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  • 3
    Electronic Resource
    Electronic Resource
    Esophagobronchial fistula following redo Nissen fundoplication (2000)
    Springer
    Abdominal imaging 25 (2000), S. 116-118 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Esophagobronchial fistula, abscess, CT—Nissen fundoplication, complications—Antireflux surgery.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Gastrobronchial fistula is a rare complication of antireflux surgery, whereas esophagobronchial fistula as a complication of Nissen fundoplication has, to the best of our knowledge, not been reported previously. We report on a case of esophagobronchial fistula in a patient with left subphrenic abscess following redo Nissen fundoplication. Chest radiographs suggested an unresponsive pneumonia of the left lower lobe. Computed tomography (CT) of the abdomen showed partial consolidation of the left lower lobe and contrast filling of the left bronchial tree from a left subphrenic abscess. CT diagnosis of fistula originating from the region of fundoplication was confirmed by Gastrografin® follow-through.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619910027
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  • 4
    Electronic Resource
    Electronic Resource
    Choledochocele: diagnosis by magnetic resonance imaging (2000)
    Springer
    Abdominal imaging 25 (2000), S. 508-510 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Choledochocele—Magnetic resonance imaging—Magnetic resonance cholangiopancreatography.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The value of magnetic resonance imaging (MRI) and magnetic resonance cholangiopancreatography (MRCP) is demonstrated in a case of a 22-year-old female with a small choledochocele clinically presenting with acute cholecystitis and pancreatitis. Previous abdominal sonography and computed tomography were not diagnostic. MRI and MRCP showed a cystic dilatation of the distal common bile duct, intramurally located in the second portion of the duodenum and protruding into the duodenal lumen. These findings allowed a confident diagnosis of a choledochocele.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/s002610000082
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  • 5
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging of soft tissue tumors (2000)
    Springer
    European radiology 10 (2000), S. 213-223 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Soft tissue tumors – Characterization – Staging – Grading – Recurrence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. This article outlines the ability of MR imaging in staging, grading, tissue characterization, and posttherapeutic surveillance of soft tissue tumors. Well-known staging parameters, such as extent, relationship with adjacent structures, and detection of intralesional necrosis, are used in the MR protocol for locoregional staging. Bone scintigraphy and high-resolution CT scan of the lungs are best methods for ruling out metastatic spread. A variety of (solitary or combinations of) grading parameters are described in the radiological literature. The role of MR imaging is to afford recognition of these lesions that need further aggressive work-up, excluding all others. Despite controversial reports, the definite role of MR imaging in grading of soft tissue tumors seems to become established. As for grading, a lot of individual imaging characteristics used for tissue characterization have low sensitivity, but combinations of parameters (age, site, signal intensities) are more useful and often allow to predict a specific diagnosis or to narrow down the list of differential diagnoses. Local recurrences of soft tissue tumors are frequent and can be detected accurately by an easy-to-use MR algorithm.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050037
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  • 6
    Electronic Resource
    Electronic Resource
    New concepts in understanding evolution of desmoid tumors: MR imaging of 30 lesions (1997)
    Springer
    European radiology 7 (1997), S. 1013-1019 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Desmoid ; Aggressive fibromatosis ; Soft tissue tumor ; MR imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The objective of this study was to evaluate the appearance and the natural evolution of desmoid tumors on MR imaging, given histologic correlation. The MR images of 30 desmoids (20 primary and 10 recurrent) in 26 patients were scored for a multiplicity of morphological parameters, signal intensity (SI) on different pulse sequences, and behavior after contrast administration. Natural evolution was evaluated in 2 primary and 3 recurrent lesions, and correlated with evolution on histologic specimens. Desmoid tumors are mostly found in muscles of shoulder and hip girdle and are often fusiform with partially ill-defined margins. Rare subcutaneous desmoids have a more stellar morphology. Variable amounts of low-SI areas are present on all sequences. On T1-weighted images (T1-WI), most lesions are near homogeneous and isointense to muscle, whereas on T2-WI they are more heterogeneous with an overall SI equal to or slightly lower than fat. Histologic correlation reveals that SI on T2-WI cannot be explained solely by cellularity. After initial growth, spontaneous evolution of desmoids is characterized by shrinking and an increase in low-SI areas on T2-WI. While distal lesions shrink, the more recent lesions in asynchronous multicentric desmoids have a tendency to develop proximally in the same limb, and should not be confused with recurrences. Fast growth, extracompartmental spread, and bone involvement are often seen in recurrences. Follow-up MR imaging of desmoids indicates natural regression of desmoids and more aggressive behavior of recurrences, which may justify a more conservative therapeutic approach.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050243
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  • 7
    Electronic Resource
    Electronic Resource
    Subcutaneous granuloma annulare: MR imaging and literature review (1998)
    Springer
    European radiology 8 (1998), S. 1363-1365 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Subcutaneous granuloma annulare ; MR imaging ; Benign rheumatoid nodule ; Pseudorheumatoid nodule
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Subcutaneous granuloma annulare (SGA) is little known to radiologists. Better knowledge of this lesion may prompt accurate diagnosis. A typical case is presented with plain radiography, ultrasound and MR imaging, and is confirmed by histology. When an otherwise healthy child presents with a rapidly growing, solitary, nontender, subcutaneous soft tissue mass, located on the scalp or extensor aspect of the limbs, that radiologically presents as an indistinct radiodense and hypoechoic mass, isointense to muscle on T1- and slightly hypointense to fat on T2-weighted MR images, without calcifications, bone involvement or extracompartmental invasion, SGA should be suspected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050553
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  • 8
    Electronic Resource
    Electronic Resource
    The value of MRI in the diagnosis of postoperative spondylodiscitis (2000)
    Springer
    Neuroradiology 42 (2000), S. 580-585 
    Details
    ISSN: 1432-1920
    Keywords: Key words Spine ; surgery ; Infection ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We evaluated the role of MRI in the diagnosis of postoperative spondylodiscitis. Spondylodiscitis is a serious complication of surgery, and the diagnosis frequently depends on a combination of clinical, laboratory and imaging findings. We compared the MRI findings in six patients with biopsy- or surgery-proven spondylodiscitis with those in 38 asymptomatic postoperative patients. Contrast enhancement and signal changes in the intervertebral disc or the vertebral endplates are not specific for spondylodiscitis, being also seen in the asymptomatic patients. However, absence of Modic type 1 changes, of contrast enhancement of the disc or of enhancing paravertebral soft tissues suggests that the patient does not have spondylodiscitis. MRI appears more useful for exclusion than for confirmation of postoperative spondylodiscitis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340000361
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  • 9
    Electronic Resource
    Electronic Resource
    Sclerosing bone dysplasias: genetic and radioclinical features (2000)
    Springer
    European radiology 10 (2000), S. 1423-1433 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Sclerosing bone dysplasia – Bone sclerosis – Bone osteochondrodysplasias
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Although knowledge of basic genetics in the field of sclerosing bone dysplasias is progressing, the radiologist still plays a pivotal role in the diagnosis of this relatively poorly understood group of disorders. Based on a target site approach, these anomalies are classified into three groups. Within each group, further differentiation can be made by distinctive clinical findings and by mode of inheritance: (a) dysplasias of endochondral bone formation: osteopetrosis (Albers-Schönberg disease), pycnodysostosis, enostosis, osteopoikilosis, osteopathia striata (Voorhoeve disease); (b) dysplasias of intramembranous bone formation: progressive diaphyseal dysplasia (Camurati-Engelmann disease) and variants, hyperostosis corticalis generalisata (Van Buchem disease) and variants; and (c) mixed sclerosing dysplasias: melorheostosis (Leri disease) and overlap syndromes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300000495
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  • 10
    Electronic Resource
    Electronic Resource
    Imaging findings in Langerhans' cell histiocytosis of the liver and the spleen in an adult (1999)
    Springer
    European radiology 9 (1999), S. 96-98 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Langerhans' cell histiocytosis ; Liver ; Spleen ; CT ; Ultrasound
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We present a case of Langerhans' cell histiocytosis (LCH) of the liver and spleen in an adult. The imaging features are different from those in the few previously reported cases of individual organ involvement by LCH.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050636
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