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Doctor insights on: Pet Melanoma Initial Staging

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Would it b possible to b diagnosed with melanoma on a path reprt but not yet know the staging?

Would it b possible to b diagnosed with melanoma on a path reprt but not yet know the staging?

Yes: Depending on the depth of the melanoma a lymph node biopsy might be needed to complete the staging. If the lymph node had evidence of disease, additional imaging would be performed to complete the staging. ...Read more

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Dr. Mike Bowman
906 doctors shared insights

Skin Cancer (Definition)

Skin is the largest and one of the most complex organs in the body composed of hundreds of different structures. Nearly any of these elements can degenerate into cancer. However the three most common are: basal cell, squamous cell and melanoma which occur in that order and degree of aggressiveness. Although heredity plays a major role, sun exposure and tobacco use & ...Read more


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What is the definition or description of: pet-ct melanoma diagnosis?

What is the definition or description of: pet-ct melanoma diagnosis?

Metastases: PET CT is often utilized to identify metastases from melanoma. Utilizes isotope F18 FDG for glucose metabolism of malignant lesions to identify them. Most malignant neoplasms have increased metabolic activity. CT portion compares anatomic lesion with area of increased uptake shown by PET. ...Read more

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Pet scan 3-4mm, suv value of 1, no further evidence of disease, before surgery melanoma 0.8 mm negative sln, blood samples normal, no other signs ?

Melanoma : You now have a baseline to be monitored by you and your oncologist will follow you for the rest of your life the term ned means no evidence of disease not no cancer therefore routine monitoring is your best protection. ...Read more

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What would cause a pet scan to not detect malignant melanoma that was about the size of a chocolate easter egg? I also have type II diabetes.

What would cause a pet scan to not detect malignant melanoma that was about the size of a chocolate easter egg? I also have type II diabetes.

Many Factors: No test is always right, pet/ct included. Every patient's tumor is unique, too. How a particular tumor will take up the primary pet/ct tracer, called f-18 fdg, is also not perfectly known. Some consistently fail to take up FDG that pet/ct is rarely used to image them, but this is not true for melanoma. Finally, smaller tumors are always harder to see, no matter which imaging technique is used. ...Read more

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My husband has a melanoma on the right side of his stomach. Blood work, X-ray and pet scan are normal. Does that mean it is not nessery for a node biopsy?

My husband has a melanoma on the right side of his stomach. Blood work, X-ray and pet scan are normal. Does that mean it is not nessery for a node biopsy?

Not necessarily: The decision to perform a sentinel node biopsy hinges on factors in the original melanoma biopsy and is not affected by "negative" x-rays or scans because only sentinel node biopsy can detect microscopic disease in lymph nodes. ...Read more

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My father has metastatic melanoma, 1 lymph node involvement. Pet scan and CT scan shows no other metastasis at this time. Does this mean he is cured?

My father has metastatic melanoma, 1 lymph node involvement. Pet scan and CT scan shows no other metastasis at this time.  Does this mean he is cured?

Melanoma...: Melanoma is a very tricky disease and must be followed closely. It can metastasize to odd places. It is good news that only 1 lymph node is seen on pet/ct rather than many lymph nodes but one should note that micrometastases or very small lesions may be below the resolution of pet imaging. ...Read more

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Can melanoma pop up suddenly?

Yes: Any change whether it be size or color or texture of a pigmented skin lesion is suspect for melanoma. You should get anything that changes checked even if it is something that changed suddenly. ...Read more

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How quickly does melanoma grow?

How quickly does melanoma grow?

It varies: What matters is how deep a given melanoma grows. Some tend to grow horizontally and do not spread. Others, stay small, but grow deep, and will spread quite quickly. If you have any concerns about a given spot, get it checked out. ...Read more

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Staging (Definition)

Many diseases have specific treatments based on their severity. A disease can have certain criteria to determine their severity and applying this criteria to determine how advanced the disease state is called staging. Most commonly this is applied to cancer, and be determining how far the cancer has spread locally and/or to distant sites a stage of cancer can be ...Read more


Dr. Travis Kidner
2,580 doctors shared insights

Melanoma (Definition)

Melanoma is a cancer of the melanocyte cells. Melanocyte cells determine the color of your skin. Although these cells are primarily found in your skin, they can also be found in the bowel ...Read more