Hello, doctor. Regarding the application for reimbursement of Torisel for metastatic renal cell carcinoma?
Hello, doctor.
My mother was diagnosed with kidney cancer, which has already metastasized to the lungs, bones, adrenal glands, neck, and multiple lymph nodes.
The biopsy from the L3 and adrenal metastasis showed CK7, TTNF1, WT1, and EGFR (self-paid) negative, while AMACR and PAX8 were positive.
It has been confirmed that it is papillary carcinoma, not clear cell carcinoma.
However, the CT scan of the kidney only found a single tumor of about one centimeter on one side, and a biopsy via CT is not feasible due to concerns about internal bleeding.
Professor Liu from the Veterans General Hospital has consulted with the urology department twice, and they do not believe it is carcinoma.
Currently, she is taking Afinitor QD as a targeted therapy (self-paid) without chemotherapy or immunotherapy.
We are relying solely on the metastatic biopsy report to apply for Torisel, which is under National Health Insurance coverage.
I would like to know if surgically removing the one-centimeter tumor in the kidney would be a good approach, as it could eliminate the primary site and also facilitate the application for Torisel.
Thank you very much.
Xiao Xiao Yao Shi, 30~39 year old female. Ask Date: 2016/03/16
Dr. Lai Yicheng reply Oncology
Dear Pharmacist,
Thank you for your letter.
Here is my response:
1.
Regarding the diagnosis - The biopsy was taken from the L3 vertebra and the adrenal metastasis.
The pathology report shows positive results for AMACR and PAX8.
Both of these immunohistochemical tests are non-specific and can be positive in various malignancies such as renal cell carcinoma, prostate cancer, breast cancer, gastrointestinal cancers, lung cancer, and Müllerian carcinoma.
Therefore, differential diagnosis is necessary.
I am unsure whether the pathologist's diagnosis is definitive or somewhat reserved.
It is essential to review the original pathology report, so please discuss this with Professor Liu from the Hematology and Oncology Department at Veterans General Hospital.
2.
Regarding treatment - According to the American NCCN guidelines, for stage IV renal cell carcinoma, if both the primary tumor and metastases are resectable, surgical removal should be performed first, followed by targeted therapy.
If it is assessed that the primary site can be surgically removed, this can also confirm the diagnosis.
If it cannot be resected, the pathology report from the aforementioned metastatic site can serve as the basis for diagnosis.
Thank you for your inquiry.
Changhua Hospital cares about you.
Sincerely,
Dr.
Lai Yi-Cheng
Department of Radiation Oncology
Reply Date: 2016/03/16
More Info
When considering treatment options for metastatic kidney cancer, particularly in the context of your mother's situation, it is essential to understand the implications of surgical intervention and the potential for coverage of medications like Torisel (temsirolimus) under health insurance.
Your mother's diagnosis indicates that she has metastatic renal cell carcinoma (RCC) with multiple sites of metastasis, including the lungs, bones, adrenal glands, and lymph nodes. The presence of a small, unilateral tumor in the kidney (approximately 1 cm) raises questions about the necessity and benefits of surgical intervention. According to the National Comprehensive Cancer Network (NCCN) guidelines, surgical resection of the primary tumor can be beneficial in select cases of metastatic RCC, especially if the tumor is resectable and the patient is otherwise healthy enough to undergo surgery.
1. Surgical Resection: The primary goal of surgical intervention in metastatic RCC is to remove the primary tumor, which may help in controlling the disease and potentially improving overall survival. In cases where the primary tumor is small and isolated, as in your mother's case, surgical removal may not only alleviate symptoms but also provide a clearer understanding of the disease, which could be beneficial for further treatment planning. Additionally, successful surgical resection may enhance the likelihood of obtaining health insurance coverage for subsequent treatments, such as Torisel.
2. Torisel Coverage: Torisel is a targeted therapy that inhibits the mTOR pathway, which is often activated in RCC. The approval for Torisel under health insurance typically requires documentation of the cancer's characteristics and previous treatments. If surgical resection is performed, it may provide additional evidence of the disease's management and potentially strengthen the application for Torisel coverage. However, it is crucial to consult with the treating oncologist and the insurance provider to understand the specific requirements for coverage.
3. Current Treatment with Afinitor: Your mother is currently on Afinitor (everolimus), another mTOR inhibitor, which is often used in cases of advanced RCC. While Afinitor is effective, the response can vary significantly among patients. If there is a lack of response or progression of disease, surgical intervention may be warranted to improve outcomes.
4. Multidisciplinary Approach: It is essential to involve a multidisciplinary team in decision-making, including oncologists, urologists, and possibly palliative care specialists. They can provide insights into the potential benefits and risks of surgery, as well as the implications for ongoing treatment with targeted therapies.
5. Monitoring and Follow-Up: If surgery is performed, close monitoring through imaging and laboratory tests will be necessary to assess the effectiveness of the treatment and to detect any recurrence or progression of the disease. The healthcare team will likely recommend a follow-up schedule that includes regular imaging studies and blood tests to monitor kidney function and tumor markers.
In conclusion, surgical resection of the small kidney tumor could be a beneficial approach for your mother, not only to manage the primary disease but also to potentially facilitate the approval for Torisel coverage. It is vital to have an open discussion with her healthcare team about the risks and benefits of surgery, the current treatment plan, and the best strategies for managing her metastatic kidney cancer.
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