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Treatments for squamous cell carcinoma of unknown primary
The following are treatment options for squamous cell carcinoma of unknown primary (CUP). Squamous cell CUP is most often found in lymph nodes in the neck (called cervical lymph nodes) or in the groin (called inguinal lymph nodes). Your healthcare team will suggest treatments based on where the cancer is found and your needs. They will work with you to develop a treatment plan.
Doctors usually offer surgery to remove the lymph nodes that have cancer (called lymph node dissection). Neck dissection is used to remove lymph nodes in the neck. Inguinal lymph node dissection is used to remove lymph nodes in the groin.
You may be offered external beam radiation therapy for squamous cell CUP found in lymph nodes in the neck or groin. Radiation therapy may be given after surgery to lower the chance that the cancer will come back, or recur.
In some cases, external beam radiation therapy may be used as the main treatment instead of surgery if doctors don’t think they can remove all of the cancerous lymph nodes with a lymph node dissection.
Chemotherapy may be offered for squamous cell CUP. The combinations of chemotherapy drugs offered may include:
- paclitaxel (Taxol) and either carboplatin (Paraplatin, Paraplatin AQ) or cisplatin (Platinol AQ)
- cisplatin and gemcitabine (Gemzar)
- docetaxel (Taxotere) and either carboplatin or cisplatin
- docetaxel, cisplatin and 5-flurouracil (Adrucil, 5-FU)
- cisplatin and 5-flurouracil
- oxaliplatin (Eloxatin), leucovorin (folinic acid) and 5-flurouracil
Chemoradiation combines chemotherapy with radiation therapy. The 2 treatments are given during the same time period. It may be offered for squamous cell CUP in lymph nodes in the neck. It may be given before or after a neck lymph node dissection.
If you can’t have or don’t want cancer treatment
You may want to consider a type of care to make you feel better rather than treat the cancer itself. This may be because the cancer treatments don’t work anymore, they’re not likely to improve your condition or they may cause side effects that are hard to cope with. There may also be other reasons why you can’t have or don’t want cancer treatment.
Talk to your healthcare team. They can help you choose care and treatment for advanced cancer.
You may be asked if you want to join a clinical trial for cancer of unknown primary. Find out more about clinical trials.
What’s the lifetime risk of getting cancer?
The latest Canadian Cancer Statistics report shows about half of Canadians are expected to be diagnosed with cancer in their lifetime.