Diagnosis of Non Small Cell Lung Cancer
The term "non-small cell lung cancer" combines all histological types of lung cancer, except for the small-cell variant.
Non-small cell lung cancer has a relatively more favorable prognosis and less aggressive course than small cell carcinoma.
Because of the slow growth of the tumor, clinical manifestations can be erased and can be masked for other pulmonary diseases.
Non small cell lung cancer is classified into 4 stages:Stage 1; a small tumor is placed on the right and left, does not go beyond the borders and into the lymph nodes.
Stage 2; the tumor can be of different sizes, with lymph node involvement.
Stage 3; tumor is much larger, and spreads to the lymph nodes.
Stage 4; the tumor passes into the tissues of the second lung, affecting the lymph nodes, and the fluid around. At 4 stages, metastases begin to form.
All histological types of lung cancer, other than small cell lung cancer, are termed non-small cell lung cancer . These include squamous cell carcinoma of the lung, and large-cell lung cancer, and adenocarcinoma of the lung (including bronchioloalveolar cancer), as well as their mixed forms.
The small size of the tumor that passes to different parts of the body is called metastases.
Diagnosis:A tumor can be detected by routine fluorography, even when the clinical symptomatology is not yet expressed. More accurate diagnosis is carried out thanks to modern methods of research - CT and MRI of the lung. In some cases, PET is assigned to clarify the diagnosis.
In the diagnosis of non small cell lung cancer (NSCLC), a morphological study is crucial, a material for which can be obtained from biopsy or aspirate from a primary tumor or a metastatic focus (or exudate), preferably a histological (possibly cytological) verification of the diagnosis. If the tumor is available for biopsy, then fibrobronchoscopy is a very important and informative method for diagnosing non-small cell lung cancer. Morphological examination of sputum and pulmonary flushes, in which characteristic tumor cells can be detected, is also important.
Can early diagnosis help treat NSCLC
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