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Doctor insights on: Gastrointestinal Stromal Cell Tumor

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What about neuroendocrine (islet cell tumors)?

What about neuroendocrine (islet cell tumors)?

Interesting tumor: Overally, neuroendocrine tumors are often capable of over-producing hormones that your body naturally makes. Islet cells are cells that are naturally present in the pancreas and produce a number of hormones, most notably insulin. Insulin helps you break down and digest sugars. Patients with an islet cell tumor can produce too much Insulin resulting in weight & gain and low blood sugars. ...Read more

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Neoplasms (Definition)

"tumor" literally translates as "mass", so even a fresh bruise could be called a "tumor". Doctors use the term "neoplasm" (tranlates literally as new growth) to describe tumors that are abnormal growths of cells. These may be benign or malignant; "malignant" = cancer. In everyday usage, we use "tumor" ...Read more


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Extragonadal germ cell tumor?

Extragonadal germ cell tumor?

The gonads produce: Sperm in men (&testosterone) and eggs/ova in women (& estrogens), and these are also the sites of germ cell tumors. Outside the gonads, the mediastinum and brain (pineal) are the most common extragonadal sites. These are known to produce markers (hcg, alphafeto-protein) and responsve and curable with chemotherapy. Hope this helps. ...Read more

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Are carcinoid tumors carcinoma? Is malignant metastatic stomach carcinoma that's hereditary a carcinoid cancer? carcinoid Neuroendocrine tumors?

Are carcinoid tumors carcinoma? Is malignant metastatic stomach carcinoma that's hereditary a carcinoid cancer? carcinoid Neuroendocrine tumors?

Complicated question: Carcinoids are carcinomas, usually more slow growing than adenocarcinomas. For information in this topic you may consult this link: http://www.webmd.com/cancer/carcinoid-tumors#1 ...Read more

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With germ cell tumor that to deal with germ cell tumor cancer?

With germ cell tumor that to deal with germ cell tumor cancer?

Clarify, can be CA.: These can be cancer. These are tumors of germ cells which can be from the gonads, or ovary and testis, or from outside these areas and occur during embryonic development. These can be cancerous or non-cancerous. Prognosis varies. Some, like seminoma, have a very good prognosis. ...Read more

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Are mast cell tumors people tumors or dog tumors?

Are mast cell tumors people tumors or dog tumors?

I know humans: I don't know about dogs, but humans can get systemic mastocytosis. An uncommon clonal growth of mast cells. Mast cells may also be reactive, such as from allergies. ...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

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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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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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Does stem cell transplantation treat hematologic cancer?

Does stem cell transplantation treat hematologic cancer?

Yes: Stem cell transplant is used to treat leukemias and lymphomas, both are types of hematologist malignancies. ...Read more

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Describe identification of tumorigenic breast cancer cells?

Describe identification of tumorigenic breast cancer cells?

Diagnosis?: Are you asking how breast cancer cells are found? Most breast cancer is detected by imaging (mammograms, ultrasound, or mri) suspicious areas are then biopsied either through the skin with a needle or through a small incision. ...Read more

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Non-small cell carcinoma vs small cell carcinoma?

Non-small cell carcinoma vs small cell carcinoma?

Small cell was: Distinguised because there is almost never a role for surgery, and always a role for chemotherapy. Non-small cell prior to 1980 never had chemotherapy. Both are caused by smoking sclc 100%; /nsclc 90-95%. Nsclc just in lung usually treated with surgery. Any + node gets chemo. If mediastinal nodes are positive, standard is chemo/xrt. Get more than 1 opinion before starting treatment if yo have ? ...Read more

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Testicular cancer: what is a non seminomous germ cell tumor?

Potentially serious: A nonseminomatous germ cell tumor is a malignancy that has multiple origins within the testicle. It is less common, but potentially more serious, than seminomas of the testicle. Early and aggressive treatment is necessay and can lead to cure in many patients that present with limited disease. Systemic chemotherapy is now available for patients that present with advanced tumors. ...Read more

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Hyperplasia & metaplasia & chronic inflammatory cell infiltration into the stroma = carcinoma?

Hyperplasia & metaplasia & chronic inflammatory cell infiltration into the stroma = carcinoma?

No: The description you provided is not consistent with a diagnosis of carcinoma. It is more consistent with changes due to chronic inflammation. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more

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Hyperplasia & metaplasia & chronic inflammatory cell infiltration into the stroma = carcinoma?

Hyperplasia & metaplasia & chronic inflammatory cell infiltration into the stroma = carcinoma?

Not yet: Hyperplasia is a lot of benign cells that are not yet malignant. Metaplasia is transformation of one benign cell type into another benign cell type. "dysplasia" or "atypical hyperplasia" would be a warning of premalignancy. The chronic inflammatory cells are not cancer. This is a benign biopsy -- either no cancer or it was not at the biopsy site. Please follow up as appropriate. ...Read more

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What is a small cell neuroendocrine carcinoma?

What is a small cell neuroendocrine carcinoma?

Aggressive tumor: Small cell lung cancer is a neuroendocrine carcinoma that exhibits aggressive behavior, rapid growth, early spread to distant sites, exquisite sensitivity to chemotherapy and radiation, and frequent association with distinct paraneoplastic syndromes, including hypercalcemia Frequently goes to brain for which prophylactic RT given ...Read more

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What is extracranial germ cell tumor of childhood?

Rare family: This is a family of tumors that can be diagnosed by a pathologist (i suggest you get a consensus from 3 of us) that resemble to some degree the gametes and/or the cells of the unborn child. They run from totally benign to very malignant; thankfully today's treatment produces many good responses. ...Read more

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What differentiates embryonic stem cells from other stem cells?

What differentiates embryonic stem cells from other stem cells?

Origin: Embryonic stem cells are derived from fertilized eggs created to help couples who have difficulty conceiving. This is "murder" according to some religionists. Other stem cells come from other sources. However, since the striking success of embryonic stem cells in early studies on wet macular degeneration, even the conservative presidential candidate no longer seems opposed to their use. ...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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Dr. Bernard Seif
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Gastrointestinal (Definition)

Definition: anything pertaining to ...Read more