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Doctor insights on: Can You Diagnose Lung Cancer Without A Biopsy

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Dr. Barry Rosen
4,223 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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Can pet scan always diagnose /confirm presence of lung cancer or can only give indication and later biopsy is vital to confirm cancer if a nodule seen?

Can pet scan always diagnose /confirm presence of lung cancer or can only give indication and later biopsy is vital to confirm cancer if a nodule seen?

Bx definitive: A positron emission tomography (pet) scan is an imaging test that uses a radioactive substance called a tracer to look for disease in the body. It is often used to determine the treatment of cancer, if it is spreading, or improving, etc. Used in combination with tests such as ct or mri, it can provide a very high index of suspicion for cancer, but a bx is always definitive and used for tx. ...Read more

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My mother has lung cancer, subject to biopsy. What should we expect to happen if she does?

My mother has lung cancer, subject to biopsy. What should we expect to happen if she does?

Depends: Local stage 1 surgical removal stage 2 surgery stage 3 combinations depending on exact situation. Stage 4' no surgery other than diagnoštic, then adjuvant arc by oncologists. Other personal risk factors impact and can prevail with any management. Poor lung function is one of those! ...Read more

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Is biopsy the only way of determining the sub-type of Non-Small Cell Lung Cancer? Any non-invasive ways? 1st biopsy inconclusive and risks with repeat

Is biopsy the only way of determining the sub-type of Non-Small Cell Lung Cancer? Any non-invasive ways? 1st biopsy inconclusive and risks with repeat

Need a biopsy: A physician who diagnosed ANY lung cancer without obtaining a biopsy would be committing gross malpractice. You've got SOMETHING in your lung that's VERY worrisome and whatever got it noticed, you should be demanding that the biopsy be repeated anyway and a best diagnosis rendered. Risks? Do you want to die of a missed cancer? I know you don't. Be brave. Best wishes. ...Read more

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Can lung cancer be diagnosed with scans and blood work alone or is a biopsy necessary?

Can lung cancer be diagnosed with scans and blood work alone or is a biopsy necessary?

Get a biopsy: Several conditions of the lung may have overlapping features presenting as a discrete lesion on imaging. If biopsy is possible, it is the best way to confirm or rule out a cancer. ...Read more

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Can a doctor determine the stage of lung cancer from a lung biopsy?

Can a doctor determine the stage of lung cancer from a lung biopsy?

Lots to staging: Staging of lung cancer identifies t n and m status, or tumor size (t) lymph node involvement (n) and presence of metastasis or distant spread of tumor (m). Staging may include lung biopsy, but may require pet/ct to determine metastasis (m), mediastinoscopy or ebus to asses lymph nodes (n). ...Read more

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Why would someone who has had lung cancer surgery need a liver biopsy?

Why would someone who has had lung cancer surgery need a liver biopsy?

Tumor spread: Cancers can spread to different areas in the body. It is not uncommon for lung cancer to spread beyond the lung to other areas such as the liver and bone. If you have a known lung cancer and an abnormality in the liver it may be spread of the lung cancer. Certain tests like an MRI may be helpful to see if it is an often seen benign lesion (hemangioma). If it can't you may need a biopsy. ...Read more

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Could you help me for my mother, she may have lung cancer. we did x-ray , CT and biopsy. thanks?

Could you help me for my mother, she may have lung cancer. we did x-ray , CT and biopsy.
thanks?

Help: How can we help you? Is it for sure diagnosed? Did the biopsy confirm it? Do you need help with your feelings around this diagnosis? Make sure to address any emotions you may have surrounding this process. ...Read more

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My mom has stage 4 small cell lung cancer in both lungs, in severe pain no biopsy no trtreatment what happens now ? Life expectancy?

Functional status: First, I am so sorry for you and your family. Lung cancer can spread very quickly. You mentioned hospice had been called. In general, that is an option when an individual has a life expectancy of less than 6months. But remember, that is just a prognosis (guess/estimate) not a hard set fact. The most important factors are her function, such as her ability to stand, walk, eat, etc. ...Read more

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Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


Dr. Katharine Cox
2 doctors shared insights

Biopsy (Definition)

Biopsy is tissue removed by needle or cutting to remove part of a body part. It is usually a small amount of material that is processed by a pathologist. Most of the time it is stained and looked at through a microscope to arrive at a diagnosis. Special processes are done for some tissues or problems. The purpose is to tell what the problem is (diagnosis). ...Read more