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Doctor insights on: Healthy Cells Vs Cancer Cells

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Are kidney cancer cells different from breast cancer cells and lung cancer cells?

Are kidney cancer cells different from breast cancer cells and lung cancer cells?

Quite Different: These 3 different cancers are actually quite different. Under the microscope they look different, and the types of mutations they have are also different. As a result, the way the different cancers are treated are also different. Generally speaking for kidney cancer they would use targeted therapies or immunotherapies instead of chemotherapy or hormone therapy. ...Read more

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Dr. Barry Rosen
4,369 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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Mesothelioma biopsy says 'portions of fibrous tissue infiltrated by malignant cells forming nests. tumor cells +'ve for CK7 and calretinin. prognosis?

Mesothelioma biopsy says 'portions of fibrous tissue infiltrated by malignant cells forming nests. tumor cells +'ve for CK7 and calretinin. prognosis?

Marker not prognosis: CK7 and calretinin are used to verify that the tumor is mesothelial in origin (versus adenocarcinoma of the lung). It does not provide information about prognosis. Factors associated with pleural mesothelioma prognosis include: functional status, blood counts, histology (epithelial best vs fibrosarcomatous poorest), and tumor size (degree of involvement of pleural cavity). Several new trials. ...Read more

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How can betulinic acid distinguish cancer cells from healthy cells?

How can  betulinic acid distinguish cancer cells from healthy cells?

It doesn't: The idea is that the molecule from birch bark can be activated into a topoisomerase inhibitor that is somewhat more poisonous to cancer cells than healthy cells. Cancer cells tend to lose some of the machinery that maintains ordered growth & self-repair & this can be exploited by chemotherapy. A few papers on cell cultures in obscure journals is no reason to get excited about this "cancer cure.". ...Read more

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What distinguishes cancer cells from the cells of benign neoplasms?

What distinguishes cancer cells from the cells of benign neoplasms?

Disordered growth: Benign tumors grow locally and do not spread. Under the microscope, the cells look like the gland they are from and they are not invading. Cancer cells have disordered growth, frequently do not look like the originating gland and show invasion. ...Read more

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Would introducing mutated cells right next to cancer cells reverse the production of cancer cells?

Would introducing mutated cells right next to cancer cells reverse the production of cancer cells?

No: Cancer cells arise in a milieu of normal cells and have a growth advantage over them. I appreciate your idea, but it would be like putting a corrupted computer disk in with healthy ones in the hope of restoring its data. ...Read more

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In what ways are cancer cells different than normal healthy cells?

In what ways are cancer cells different than normal healthy cells?

See below: Cancer cells have escaped the normal controls that healthy cells have. This allows them to grow uncontrollably and to invade and destroy normal organs. They need alot of energy to grow, leading to malnutrition, as many of the calories we take in are used by the cancer to divide and to grow. ...Read more

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Which distinguishes cancer cells from the cells of benign neoplasms?

Which distinguishes cancer cells from the cells of benign neoplasms?

Genome destabilized: The key to cancer is that enough mutations have accumulated to render the genome itself unstable. Eventually a clone will acquire the ability to invade and spread. We can pick this up using molecular biology techniques. They also look different, but it takes a pathologist several years to learn to tell all the subtleties. ...Read more

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What is oats cell cancer (small cell cancer)?

What is oats cell cancer (small cell cancer)?

Lung cancer: Small cell/oat cell carcinoma is one type of lung cancer. It tends to spread early and widely, often when the primary lesion itself may be small and barely detectable. It is usualy treated with chemotherapy. ...Read more

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Invasive non keratinizing squamous cell carcinoma tongue showing nests of malignant squamous cells grade 3 prognosis?

Invasive non keratinizing squamous cell carcinoma tongue showing nests of malignant squamous cells grade 3 prognosis?

Can be cured: If no nodes palpable and lesion localized, RT chemo can reduce size and position site for curative resection. Partial glossectomy after initial therapy. If larger and not responsive to chemo, Ive used hight dose MTX with citrovorum factor over 12 hrs. Most effective in presence of nodal disease Basic chemo is Platinum/Taxol + RT ...Read more

Dr. Jeff Lin Dr. Lin
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Cervical smear test result contains superficial and intermediate squamous cells metaplastic cells & neutrophils cells in background neg for NILM?

Dr. Jeff Lin Dr. Lin
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Cervical smear test result  contains superficial and intermediate squamous cells metaplastic cells & neutrophils cells in background  neg for NILM?

Nilm: Means negative for intraepithelial lesions or malignancy (so negative for bad things - I.e., all good). The squamous, metaplastic and neutrophil cells are all normal cells. The idea of Pap smear is to catch cervical precancer or cancer and it doesn't see either here which is great! ...Read more

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What are metaplastic squamous cells?

What are metaplastic squamous cells?

May be abnormal cell: It is a term used by Pathologists to imply that your cells are somewhat deranged and not entirely normal. Sometimes this means that such cells can deteriorate further and may become cancerous. So it requires close monitoring. ...Read more

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What is squamous cell vs basal cell skin cancer?

What is squamous cell vs basal cell skin cancer?

Different growth: Basal cell skin cancers often grow deeper and more destructive when left untreated causing large ulcerated areas. Squamous carcinomas more often spread radially and have a higher risk of spread to other organs if left untreated. ...Read more

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My test report shows intermediate squamous cells metaplastic cells and neutrophils cells what does that means?

My test report shows intermediate squamous cells metaplastic cells and neutrophils cells what does that means?

Can you share...: ...from what body part the specimen was taken? Squamous cells are present in multiple body sites so your answer depends on the origin/location of your biopsy. ...Read more

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What are squamous and endocervical cells?

Cervical canal linin: Cervical canal lining cells or transformation zone, the most sensitive for human papilloma virus infection changes. So it is necessary to see them on pap smear to evaluate adequacy of pap smear and presence or absence of any dysplastic changes. ...Read more

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Can a healthy immune system destroy cancer cells?

Can a healthy immune system destroy cancer cells?

Cancer development: Each of us humans has about ten tiny cancers at any given time. The fact that we do not all have clinically detectable tumors is due to the spectacular abilities of our immune systems. Only when a very smart tumor evades the immune system does it get big enough for us to call it cancer. Your immune system destroys cancer every day, and you can help it by feeding it healthy fruits and vegetables. ...Read more

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Why are stem cells called "life-giving cells"?

Why are stem cells called "life-giving cells"?

Organ regeneration: Stem cells have the potential to regenerate damage organs and this may save a life. Stem cell transplants are used most commonly in treating disorders of the bone marrow. ...Read more