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PubMedDate not supplied

[Thorax].

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Diagnostic Techniques, Respiratory System↗
PubMed2003

18F-FDG accumulation with PET for differentiation between benign and malignant lesions in the thorax.

UNLABELLED: Recent reports have indicated the value and limitations of (18)F-FDG PET and (201)Tl SPECT for determination of malignancy. We prospectively assessed and compared the usefulness of these scintigraphic examinations as well as (18)F-FDG PET delayed imaging for the evaluation of thoracic abnormalities. METHODS: Eighty patients with thoracic nodular lesions seen on chest CT images were examined using early and delayed (18)F-FDG PET and (201)Tl-SPECT imaging within 1 wk of each study. The results of (18)F-FDG PET and (201)Tl SPECT were evaluated and compared with the histopathologic diagnosis. RESULTS: Fifty of the lesions were histologically confirmed to be malignant, whereas 30 were benign. On (18)F-FDG PET, all malignant lesions showed higher standardized uptake value (SUV) levels at 3 than at 1 h, and benign lesions revealed the opposite results. Correlations were seen between (18)F-FDG PET imaging and the degree of cell differentiation in malignant tumors. No significant difference in accuracy was found between (18)F-FDG PET single-time-point imaging and (201)Tl SPECT for the differentiation of malignant and benign thoracic lesions. However, the retention index (RI) of (18)F-FDG PET (RI-SUV) significantly improved the accuracy of thoracic lesion diagnosis. Furthermore, (18)F-FDG PET delayed imaging measuring RI-SUV metastasis was useful for diagnosing nodal involvement and it improved the specificity of mediastinal staging. CONCLUSION: No significant difference was found between (18)F-FDG PET single-time-point imaging and (201)Tl SPECT for the differentiation of malignant and benign thoracic lesions. The RI calculated by (18)F-FDG PET delayed imaging provided more accurate diagnoses of lung cancer.

Adult↗
PubMedDate not supplied

[Ultrasound evaluation of the hemothorax of patients operated on for pulmonary tuberculosis and control of the development of fibrous thorax].

The paper deals with the ultrasound study of the hemothoracic cavity in pulmonary tuberculosis patients undergone pulmonectomy. Ultrasound study provides objective data on the time course of processes occurring the hemothorax operated on and controls the development of fibrothorax, such as the formation of effusions, in all its details.

Hemothorax↗
PubMed2002

[Evaluation of the ECG recording in abnormal positions of the heart in the thorax].

Abnormal localization of the heart in the chest is a rare congenital developmental disorder (1,10). Even if the heart is in these instances normally developed, its abnormal position leads in case of its affection by disease to diagnostic and therapeutic difficulties, in particular when an invasive procedure must be used. With regard to the entirely different position of individual cardiac departments it is necessary to differentiate carefully between dextrocardia and dextroversion (15). Dextroposition is only a marginal problem. A very satisfactory diagnostic method in these anomalies is the ECG tracing, where we encounter quite typical pictures. Dextrocardia and dextroversion are characterized by a similar mirror image reversed tracing in the leads from the extremities. It differs, however, fundamentally in the chest lead tracings. In dextrocardia during tracing of standard thoracic leads we follow the predominant negative QRS complex in all leads; when including the dextrolateral thoracic leads the curve "becomes normal". In dextroversion, with regard to the anterior position of the left ventricle the dominating finding is a high R wave in all leads from the left and right side of the chest.

Dextrocardia↗
PubMed1992

[Isolated rupture of the right hemidiaphragm with complete herniation of the liver into the thorax. Considerations of diagnosis and therapy].

The Authors report a case of right diaphragmatic hernia due to road-traffic accident. They discuss the problems of early diagnosis because it is delayed for multiple associated lesions or a low index of suspicion. The ratio of laceration of the left side to that of the right is twenty to one. The clinical and diagnostic data best able to lead to a rapid preoperative diagnosis are considered. The Authors recommended early operative treatment and the thoracic approach; thoracoabdominal incisions are more suitable whenever abdominal lesions are coexisting. The Authors stress the use of safety belts with three point fastener which have significantly decreases cranial and abdominal lesions, particularly if associated with two rolls up.

Accidents, Traffic↗