Mesothelioma:Screening and diagnosis (medicine)

Screening and diagnosis

If you have signs and symptoms that might indicate mesothelioma, your doctor will conduct a physical exam, paying particular attention to areas where you're experiencing pain. He or she checks for any lumps or other unusual signs. Your doctor may order other tests to determine the cause of your signs and symptoms, including:

Chest X-ray. X-rays may show abnormalities if you have pleural mesothelioma.

Chest or abdominal CT scan. Computerized tomography (CT) may reveal abnormalities in your chest or abdomen if you have mesothelioma.

It's not uncommon for mesothelioma to be misdiagnosed initially because mesothelioma is rare and its signs and symptoms aren't specific. Your doctor will likely rule out other more common conditions before considering mesothelioma.

Biopsy

Biopsy, a surgical procedure to remove a small portion of the mesothelium for laboratory examination, is the only way to determine whether you have mesothelioma. Depending on what area of your body is affected, your doctor selects the right biopsy procedure for you. Options include:

Fine-needle aspiration. The doctor removes fluid or a piece of tissue with a small needle inserted into your chest or abdomen.

Thoracoscopy. Thoracoscopy allows the surgeon to see inside your chest. In this procedure, the surgeon makes one or more small incisions between your ribs. He or she inserts a tube with a tiny video camera to see inside your chest cavity — a procedure sometimes called video-assisted thoracoscopic surgery (VATS). Special surgical tools allow your surgeon to cut away a piece of tissue.

Laparoscopy. Laparoscopy allows the surgeon to see inside your abdomen. Using one or more incisions into your abdomen, the surgeon inserts a tiny camera and special surgical tools to obtain a small piece of tissue for examination.

Thoracotomy. Thoracotomy is surgery to open your chest to allow a surgeon to check for signs of disease. He or she removes a sample of tissue for testing.

Laparotomy. Laparotomy is surgery to open your abdomen to allow a surgeon to check for signs of disease. He or she removes a sample of tissue for testing.

Once the tissue sample has been collected through biopsy, the sample is analyzed under a microscope. This determines whether or not the abnormal tissue is mesothelioma. Biopsy samples also allow your doctor to test for the type of cells involved in your mesothelioma. The type of mesothelioma you have is used to determine your treatment plan.

Staging

Once mesothelioma is diagnosed, your doctor orders other tests to determine the extent of the cancer and whether it has spread — a process called staging. Imaging procedures allow doctors to see inside your chest or abdomen to determine the stage of mesothelioma. Options include:

Chest X-ray

CT scans of the chest and abdomen

Magnetic resonance imaging (MRI)

Positron emission tomography (PET)

Once the extent of mesothelioma is determined, a stage is assigned. Staging helps your doctor determine your prognosis and the best treatment plan. The stages of mesothelioma are:

I. Stage I mesothelioma is considered localized cancer, meaning it's limited to one small area of the chest or abdomen.

II. Stage II mesothelioma is considered advanced cancer. Mesothelioma at this stage involves the mesothelium and has also spread to other structures directly adjacent to the tumor, such as the lungs or the diaphragm.

III. Stage III mesothelioma is also considered advanced cancer. Mesothelioma at this stage meets the same requirements as stage II, but has also spread to the lymph nodes in the region.

IV. Stage IV mesothelioma is an advanced cancer that has spread to distant areas (metastasized). Mesothelioma most commonly spreads (metastasizes) to the brain and areas of the lung that are away from the tumor.

About mesothelioma

Mesothelioma

mesothelioma:What is mesothelioma?

mesothelioma:Mesothelioma risks and causes

mesothelioma:Screening for mesothelioma

mesothelioma:Mesothelioma symptoms

mesothelioma:Types of mesothelioma

mesothelioma:Tests for mesothelioma

mesothelioma:Further tests for mesothelioma

mesothelioma:The stages of mesothelioma

mesothelioma:Statistics and outlook for mesothelioma

mesothelioma:Pleural mesothelioma treatment

mesothelioma:Peritoneal mesothelioma treatment

mesothelioma:Which surgery for mesothelioma?

mesothelioma:Before your mesothelioma surgery

mesothelioma:What's new in mesothelioma

Mesothelioma:Introduction

Mesothelioma:Signs and symptoms

Mesothelioma:Causes

Mesothelioma:Risk factors

Mesothelioma:Screening and diagnosis

Mesothelioma:Complications

Mesothelioma:Treatment

Mesothelioma:Prevention

Mesothelioma:Coping skills

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