What tests are available to predict the likelihood of developing cancer?
My mother is 72 years old and has been taking medication for hypertension and degenerative arthritis for a long time.
I have paid out of pocket for cancer screening tests for her, including liver AFP, colon CEA, ovarian and breast cancer tests, pancreatic and gastrointestinal blood tests, abdominal and pelvic ultrasound, and Pap smear.
However, I have heard from doctors that cancer screening blood tests are primarily for monitoring individuals already diagnosed with cancer and may not be very helpful for healthy individuals.
My father was a late-stage prostate cancer patient, and despite taking him to the hospital for pain during the Lunar New Year, the cause was not identified until August.
I do not want to experience such regret again.
Therefore, I am trying to take my mother for health check-ups.
I would like to know if my mother, who currently has no significant symptoms, can undergo PET and MRI scans.
If not, would I have to pay out of pocket for these two tests? Given the many types of cancer, how accurate are these two tests? Do they cover all types of cancer? Alternatively, could you please suggest any other tests that I should consider?
Yao Tiao Shu Nu, 30~39 year old female. Ask Date: 2006/10/10
Dr. Chen Sirong reply Oncology
Hello: 1.
A small number of individuals undergo health screenings, including physical examinations and blood tests, which can lead to early cancer detection.
While these screenings may not be beneficial for the majority, they can be immensely helpful for a few, depending on your perspective.
2.
There are two types of screenings available for self-payment: positron emission tomography (PET) scans and whole-body magnetic resonance imaging (MRI).
Please search online for hospitals that offer these services.
3.
The accuracy of these tests cannot be 100%, especially since tumors must be larger than 0.5 cm to be detected; smaller tumors are difficult to identify.
4.
The ability to detect tumors is more related to their size and location rather than their type.
5.
In fact, health screening centers that offer these two types of examinations also provide related follow-up tests and have professional physicians available to answer your questions.
Sincerely, Dr.
Chen Sih-Rong, Oncology.
Reply Date: 2006/10/10
More Info
When it comes to cancer screening tests for seniors, especially for someone like your 72-year-old mother who has a history of hypertension and degenerative arthritis, it's crucial to approach the subject with a clear understanding of the available options, their effectiveness, and the specific risks associated with age and family history.
Firstly, it's important to note that cancer screening tests can vary significantly in their utility depending on the type of cancer being screened for, the patient's risk factors, and the presence of any symptoms. For seniors, the following screenings are commonly recommended:
1. Colorectal Cancer Screening: Given your father's history of prostate cancer and the general recommendation for seniors, a colonoscopy is highly recommended. The American Cancer Society suggests that individuals aged 45 and older should begin regular screenings for colorectal cancer. This can include a colonoscopy every ten years or other methods like stool tests annually.
2. Breast Cancer Screening: For women, mammograms are essential for early detection of breast cancer. The recommendation is to have a mammogram every year or two, depending on the individual's health and family history.
3. Cervical Cancer Screening: If your mother has a cervix and is still having regular gynecological exams, Pap smears are recommended every three years until the age of 65, or every five years if combined with HPV testing.
4. Liver Cancer Screening: For individuals at high risk for liver cancer, such as those with chronic hepatitis B or C, regular screening with ultrasound and AFP (alpha-fetoprotein) blood tests is recommended.
5. Prostate Cancer Screening: Given your father's history, it may be prudent for your mother to discuss prostate cancer screening with her healthcare provider, especially if she has male relatives with a history of prostate cancer.
6. Pancreatic Cancer Screening: While there are no standard screening tests for pancreatic cancer, if there is a strong family history or genetic predisposition, your mother might consider discussing this with her doctor.
Regarding your question about advanced imaging techniques like PET (Positron Emission Tomography) and MRI (Magnetic Resonance Imaging), these are generally not used as routine screening tools for cancer in asymptomatic individuals. They are more often employed when there is a specific concern or symptom that warrants further investigation. If your mother is asymptomatic and does not have any risk factors that would necessitate these tests, they may not be indicated. However, if you are considering these tests for peace of mind, you would likely need to pay out-of-pocket, as they are not typically covered for routine screening.
In terms of accuracy, while PET and MRI are powerful imaging modalities, they do not screen for all types of cancer. Each type of cancer has its own recommended screening tests, and no single test can detect all cancers. Therefore, it is essential to tailor the screening approach based on personal and family medical history, as well as the specific risks associated with different types of cancer.
Lastly, it is crucial to have an open dialogue with your mother's healthcare provider. They can help assess her individual risk factors and recommend a personalized screening plan that may include the tests you've mentioned, as well as any additional tests that might be appropriate based on her health status and family history. Regular check-ups and discussions about any new symptoms or concerns are vital in ensuring early detection and intervention if necessary.
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