Mesothelioma Lawyer New Jersey
Diffuse Mesothelioma is a malignant tumor that most often localized but have little impact. It is estimated that about 15-18 cases per million occur annually, most often in males and in the sixth decade of life. It has been described as an etiologic agent of this neoplasm asbestos exposure has a long latency period (more than 20 years), so it is expected that the incidence does not decrease for several years in which cases are detected periods in there was no right to prevent exposure to asbestos. Of the various types of existing asbestos fibers, which has been linked directly to this type of neoplasm is crocidolite. Sometimes, however, is impossible to prove exposure to mineral in people suffering from diffuse mesothelioma. There are also other possible etiologic factors among which exposure to radiation.
From the standpoint of pathological form of mesothelioma from mesothelial or subserosal multipotent cells and can lead to a variety epithelial, sarcomatous, or mixed between the two. The variety is very similar to epithelial adenocarcinoma metastatic pleural, therefore, in practice, it is very difficult to distinguish a tumor from another. The immunohistochemical studies (high-cytokine antibodies and low molecular weight, embryonal carcinoma antigen) and electron microscopy are essential to establish this distinction.
Pleural mesothelioma takes multiple nodular growth with a tendency to coalesce and invade the visceral pleura from the parietal which is the first seat. The lung is physically trapped by the tumor masses are introduced into the pulmonary hilum, chest wall, diaphragm, mediastinum and contralateral hemithorax. A classification according to its extension.
The clinical manifestations are often inconspicuous in the initial stages of the disease. Chest pain is very intense and is present in the vast majority of occasions. Dyspnea is also very important as the tumor grows, it traps the lung and pleural effusion occurs. The patient’s general condition deteriorates intensively with significant constitutional symptoms and weight loss. Auscultation revealed a reduction or abolition of breath sounds and can be found on the chest wall mass and, more rarely, supraclavicular or cervical lymphadenopathy. Paraneoplastic manifestations can be found (autoimmune hemolytic anemia, hypoglycemia, antidiuretic hormone secretion), but are rare.
From the radiological point of view, in the early stages can be detected only a pleural effusion. With the advancement of the tumor, the effusion becomes more important, are often visible mass cores and appear on plain radiographs and with greater clarity on computed tomography (CT) and magnetic resonance imaging (MRI). With the latter two can also easily determine the presence of lymph node involvement, mediastinal, contralateral and distant.
Definitive diagnosis requires adequate sampling of tissue. The puncture of pleural fluid and pleural needle biopsy can rarely make the diagnosis of mesothelioma. Thoracoscopy is the most appropriate technique to obtain a suitable sample of tumor tissue, always bearing in mind the ease with which this tumor to spread to the chest wall through surgical incision. Rarely should go to thoracotomy for the diagnosis of diffuse mesothelioma.
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