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  • 1
    ISSN: 1432-1084
    Keywords: Prostate MR studies ; Prostate diseases ; Prostate neoplasms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Granulomatous prostatitis is an uncommon disease that can prostatic carcinoma on both digital rectal examination and transrectal ultrasound. Four patients who underwent magnetic resonance imaging of the prostate had a histological diagnosis of graanulomatous prostatitis; three of them had recent urinary tract infections. The other patient had an associated midline prostatic cyst and a focus of malignancy. T1-and T2-weighted spin-echo images were obtained in all cases. Peripheral zone lesions of decreased signal intensity, suggestive of carcinoma,were found in all four patients on T2-weighted images. Granulomatous prostatitis should be considered in the differential diagnosis of low signal intensity areas with prostatic magnetic resonance imaging.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1084
    Keywords: AIDS ; Rhodococcus equi ; Mediastinal lymphadenopathy ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Rhodococcus equi (R. equi) infections have been incidentally reported as a cause of pulmonary infection in severely immunocompromised hosts, including AIDS patients. Our purpose is to describe the radiological findings in nine AIDS patients with R. equi pneumonia assessed by bronchoalveolar lavage (BAL), biopsies, cultures of sputum, and hemocultures. All patients were examined by chest radiographs and contrast-medium-enhanced chest CT. Dense pulmonary consolidations with or without cavitations accounted for the most striking radiological patterns. Chest CT also revealed six mediastinal involvements, strongly mimicking a lymphoma. Two of them had multiple bilateral pulmonary nodular opacities. Pleural effusion was not identified. Although intensive therapies were administered, seven among nine patients died within few months. In an AIDS patient living in a rural area or exposed to horses and presenting these radiological patterns, the possibility of R. equi pneumonia should be considered in the differential diagnosis along with other infectious diseases or lymphomas.
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 10 (2000), S. 719-721 
    ISSN: 1432-1084
    Keywords: Key words: Bronchi injuries ; Trachea injuries ; Trauma ; X-ray ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. On chest radiograph, the diagnosis of tracheobronchial tear is usually suspected because of the persistence of a pneumothorax after chest tube insertion. Since this radiographic pattern is nonspecific, the diagnosis is usually made by bronchoscopy and delayed. The fallen-lung sign consists in the fall of the collapsed lung away from the mediastinum occurring when the normal central bronchial anchoring attachment of the lung is disrupted. In contrast to the persistent pneumothorax, this sign is specific but rarely observed. Our purpose is to present the corresponding CT patterns observed in two cases of right stem bronchus tear, consisting in a caudal-dependent displacement of the right upper lobe bronchus which becomes obliquely oriented.
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  • 4
    ISSN: 1432-1084
    Keywords: Key words: Rectal stenosis ; Suppositories ; Analgesics ; Barium study
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Self-treatment of chronic headache with suppositories containing paracetamol and acetylsalaicylic acid may lead to serious complications. We report the radiological features of five cases of rectal stenosis following the use of such suppositories. The role of the double-contrast barium enema in suggesting the diagnosis of this complication of a chronic and often unrecognized self-treatment is emphasized.
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  • 5
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aims of the study are to investigate the possible role of ultrasound (US) of the chest in predicting the development of chronic lung disease (CLD) in patients with hyaline membrane disease (HMD) and to determine the optimal age for the sonographic examination. One hundred and five consecutive prematures undergoing mechanical ventilation were prospectively studied by US of the chest. The US examinations were performed at birth and at least once a week until discharge from the neonatal unit. The sonographic patterns observed behind the diaphragm and their evolutions were recorded and correlated with the clinical and radiological data at day 28, which corresponds to the currently accepted limit for determining the presence of CLD. CLD is currently defined as oxygen dependency on day 28 with radiographic abnormalities. A diffuse retrodiaphragmatic hyperechogenicity was observed in all the patients with HMD. The hyperechogenicity resolved completely in patients with an uncomplicated clinical evolution. In contrast, in patients with CLD the hyperechogenicity resolved only partially, resulting in less diffuse and less extensive hyperechogenicity. Day 18 was the earliest day where the persistence of the abnormal retrodiaphragmatic hyperechogenicity was observed in 100 % of the patients presenting CLD at day 28. At that time, 95.2 % of the patients without abnormal hyperechogenicity showed uncomplicated evolution and no CLD. US can be a useful diagnostic tool to determine the occurrence of CLD and to predict as early as day 18 the prematures at risk for the disease.
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