نتایج جستجو برای: Mediastinal Neoplasms
تعداد نتایج: 505510 فیلتر نتایج به سال:
the risk of life-threatening complications during induction of anesthesia in patients with anterior mediastinal mass is well recognized. maintenance of spontaneous ventilation during anesthesia is an accepted standard goal in all published reports. however, the decision to paralyze the patient, which is really needed in most surgical procedures, is still a challenging event. in this study, “man...
abstract background the aim of this study was to evaluate sensitivity and specificity of mediastinal sonography, and compared with ct, in detection of anterior mediastinal neoplasms. materials and methods the sonography with convex probes (5.0 and 7.5 mhz) was done prospectively for 34 patients (from 2 to 25 years old) with mediastinal mass. the results were compared with the results of contras...
background in the diagnosis of malignant lymph nodes (lns) and staging of lung cancer, sampling of mediastinal and hilar lns is essential. mediastinoscopy is known as the gold standard. convex probe (cp) endobronchial ultrasound (ebus)-guided transbronchial needle aspiration (tbna) is a noninvasive and highly sensitive diagnostic method in mediastinal and hilar ln sampling. objectives evaluatin...
Abstract Background The aim of this study was to evaluate sensitivity and specificity of mediastinal sonography, and compared with CT, in detection of anterior mediastinal neoplasms. Materials and Methods The sonography with convex probes (5.0 and 7.5 MHz) was done prospectively for 34 patients (from 2 to 25 years old) with mediastinal mass. The results were compared with the results of ...
Thymic epithelial neoplasms are commonly aetiology of the anterior mediastinum masses in adults. It represents 20–30% of all mediastinal tumours in adults. Ectopic thymomas usually affect the neck, mediastinal compartments, lung, and pleura, arising from aberrant thymic tissue. For giant thymoma, there is still no consensus on the surgical approach. We herein report a patient with a giant thym...
Mediastinal masses in children comprise a heterogeneous group of malignant and benign neoplasms. The majority of malignant tumors of mediastinum are Hodgkins and non-Hodgkins lymphomas, germ cell tumors, and neuroblastomas. Thymic tumors account for 1.5% of mediastinal masses in children [1]. Thymomas, thymic carcinoids, and thymic carcinomas constitute thymic epithelial neoplasms (TEN). Carcin...
Solitary Fibrous Tumors (SFTs) are rare primary pleural neoplasms which have recently been reported in extra-thoracic sites. In this report, solitary fibrous tumor arising in an intra-thoracic goiter with no evidence of cervical mass in a 74-year-old obese man who was found to have a large superior mediastinal mass with tracheal deviation on Chest X-Ray is presented.
The magnetic resonance (MR) findings are presented of a nonfunctioning mediastinal paraganglioma on both T1- and T2-weighted magnetic resonance images. The MR characteristics of this tumor differentiate it from previously reported functioning mediastinal paragangliomas (pheochromocytoma) and from other benign mediastinal neoplasms, although mediastinal bronchogenic carcinoma may produce a simil...
Primary anterior mediastinal neoplasms comprise a diverse group of tumors and account for 50% of all mediastinal masses. Thymomas are most common and can be locally invasive and associated with parathymic syndromes. Thymic carcinomas and thymic carcinoids are rare malignancies with a propensity for local invasion and distant metastases. Thymolipomas are benign thymic tumors. The mediastinal ger...
Thymomas and thymic carcinomas are rare mediastinal neoplasms arising from epithelial cells, the presence of synchronous or metachronous primary in a single patient is an extremely event. Thymoma patients appear to have inherent predisposition toward developing additional neoplasms. This additionally presents diagnostic challenge, revealing importance multidisciplinary expertise management thes...
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