6. Cytology Sputum microscopy is examined a sample of sputum to see if it contains cancer cells. * Needle biopsy: A needle is inserted into the mass while the lungs are displayed on a computer tomograph. Then a sample of the mass and observed through a microscope for cancer cells.

7. Bronchoscopy: We introduce a flexible, lighted tube through the mouth into the bronchi. This procedure can help find tumors located centrally or obstructions in the lungs. Also be used to take biopsies or remove fluids to be examined with a microscope to see if they contain cancer cells.

8. Mediastinoscopy: Make a small cut in the neck and a lighted tube is inserted behind the sternum. Can use special tools that are handled through this tube to take a sample of tissue from the mediastinal lymph nodes (along the trachea and main areas of bronchial tubes). The observation of the samples under a microscope can show if cancer cells.

9. Bone marrow biopsy: A needle is used to remove a cylindrical core of bone of approximately 1.5 mm wide and 2.5 inches long. Usually, the sample is taken from the back of the hip bone and studied under a microscope to see if cancer cells.

10. Blood tests: often perform certain blood tests to help detect if lung cancer has spread to the liver or bones, as well as for diagnosing certain paraneoplastic syndromes.# Cytology Sputum microscopy is examined a sample of sputum to see if it contains cancer cells. * Needle biopsy: A needle is inserted into the mass while the lungs are displayed on a computer tomograph. Then a sample of the mass and observed through a microscope for cancer cells.

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Bronchoscopy

It is a procedure designed to look inside the airways of the lungs. It involves inserting a thin, flexible tube down the throat into the airways. The tube allows the doctor to look inside. Your doctor might also take samples of tissues and cells (biopsy) during bronchoscopy.

Bronchial biopsy

Bronchial biopsy is performed by inserting a bronchoscope through the larynx of the patient. The bronchoscope is a camera that allows the doctor to see as you enter the unit. The bronchoscope is also a small hole that allows to remove pieces of tissue. These tissues are then sent to the laboratory for analysis.

Mediastinoscopy

This is the procedure that examines the mediastinum. This area is located in the center of the chest, right in the middle of the lungs and contains the heart, blood vessels and lymph nodes.

Needle biopsy

For this procedure, the doctor uses a fine needle to take samples and examine cells under a microscope. This test can be uncomfortable, but only takes a few minutes. The doctor may also use X-rays, CT scan or ultrasound to guide a biopsy needle during outpatient. The biopsy can be performed during surgery.

Wedge biopsy

For this procedure the surgeon makes an incision through the skin and removes a wedge of tissue from the tumor and sent to a lab for analysis. For this procedure, the patient must be under general anesthesia. Sometimes you use this type of biopsy when other biopsy methods have not been able to confirm a diagnosis.

Thoracoscopy (video-assisted VAT)

The doctor may request this procedure to drain fluid from the sac (pleura) that surrounds the lungs, also known as pleural effusion. This procedure can also be used to take samples of lung tissue or lymph nodes in the mediastinum. A tube with a scope on the tip, allows the doctor to see inside your chest. This tube also allows the physician to take samples of fluids, and sent to the pathology laboratory for analysis.

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Lung cancer tends to be very quiet, so that symptoms appear when the disease is at an advanced stage. These are:

* Chronic cough.
* Coughing up blood.
* Obstruction of the bronchi.

* Shortness of breath.
* Chest pain.
* Pale.
* A table held at the time, there may be weight loss poor appetite.

Diagnosis

The doctor does a complete physical examination. If there is productive cough, sputum can be analyzed to see if it contains cancer cells. However, the first test to detect abnormalities in the lung is usually the chest radiograph. In the case of suspicion of malignancy, the specialist can perform a bronchoscopy to look inside the bronchial tubes and lungs and at the same time, remove a sample of tissue for biopsy

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