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Metastatic Squamous Neck Cancer with Occult Primary Treatment (PDQ)

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General Information About Metastatic Squamous Neck Cancer with Occult Primary
Stages of Metastatic Squamous Neck Cancer with Occult Primary
Recurrent Metastatic Squamous Neck Cancer with Occult Primary
Treatment Option Overview
Treatment Options for Metastatic Squamous Neck Cancer with Occult Primary
To Learn More About Metastatic Squamous Neck Cancer with Occult Primary
About This PDQ Summary

General Information About Metastatic Squamous Neck Cancer with Occult Primary

Metastatic squamous neck cancer with occult primary is a disease in which squamous cell cancer spreads to lymph nodes in the neck and it is not known where the cancer first formed in the body.

Squamous cells are thin, flat cells found in tissues that form the surface of the skin and the lining of body cavities such as the mouth, hollow organs such as the uterus and blood vessels, and the lining of the respiratory (breathing) and digestive tracts. Some organs with squamous cells are the esophagus, lungs, kidneys, and uterus. Cancer can begin in squamous cells anywhere in the body and metastasize (spread) through the blood or lymph system to other parts of the body.

When squamous cell cancer spreads to lymph nodes in the neck or around the collarbone, it is called metastatic squamous neck cancer. The doctor will try to find the primary tumor (the cancer that first formed in the body), because treatment for metastatic cancer is the same as treatment for the primary tumor. For example, when lung cancer spreads to the neck, the cancer cells in the neck are lung cancer cells and they are treated the same as the cancer in the lung. Sometimes doctors cannot find where in the body the cancer first began to grow. When tests cannot find a primary tumor, it is called an occult (hidden) primary tumor. In many cases, the primary tumor is never found.

Signs and symptoms of metastatic squamous neck cancer with occult primary include a lump or pain in the neck or throat.

Check with your doctor if you have a lump or pain in your neck or throat that doesn't go away. These and other signs and symptoms may be caused by metastatic squamous neck cancer with occult primary. Other conditions may cause the same signs and symptoms.

Tests that examine the tissues of the neck, respiratory tract, and upper part of the digestive tract are used to detect (find) and diagnose metastatic squamous neck cancer and the primary tumor.

Tests will include checking for a primary tumor in the organs and tissues of the respiratory tract (part of the trachea), the upper part of the digestive tract (including the lips, mouth, tongue, nose, throat, vocal cords, and part of the esophagus), and the genitourinary system.

The following procedures may be used:

A diagnosis of occult primary tumor is made if the primary tumor is not found during testing or treatment.

Certain factors affect prognosis (chance of recovery) and treatment options.

The prognosis (chance of recovery) and treatment options depend on the following:

Treatment options also depend on the following:

Stages of Metastatic Squamous Neck Cancer with Occult Primary

After metastatic squamous neck cancer with occult primary has been diagnosed, tests are done to find out if cancer cells have spread to other parts of the body.

The process used to find out if cancer has spread to other parts of the body is called staging. The results from tests and procedures used to detect and diagnose the primary tumor are also used to find out if cancer has spread to other parts of the body.

There is no standard staging system for metastatic squamous neck cancer with occult primary. The tumors are described as untreated or recurrent. Untreated metastatic squamous neck cancer with occult primary is cancer that is newly diagnosed and has not been treated, except to relieve signs and symptoms caused by the cancer.

There are three ways that cancer spreads in the body.

Cancer can spread through tissue, the lymph system, and the blood:

Recurrent Metastatic Squamous Neck Cancer with Occult Primary

Recurrent metastatic squamous neck cancer with occult primary is cancer that has recurred (come back) after it has been treated. The cancer may come back in the neck or other parts of the body.

Treatment Option Overview

There are different types of treatment for patients with metastatic squamous neck cancer with occult primary.

Different types of treatment are available for patients with metastatic squamous neck cancer with occult primary. Some treatments are standard (the currently used treatment), and some are being tested in clinical trials. A treatment clinical trial is a research study meant to help improve current treatments or obtain information on new treatments for patients with cancer. When clinical trials show that a new treatment is better than the standard treatment, the new treatment may become the standard treatment. Patients may want to think about taking part in a clinical trial. Some clinical trials are open only to patients who have not started treatment.

Two types of standard treatment are used:

Surgery

Surgery may include neck dissection. There are different types of neck dissection, based on the amount of tissue that is removed.

Even if the doctor removes all the cancer that can be seen at the time of surgery, some patients may be given radiation therapy after surgery to kill any cancer cells that are left. Treatment given after surgery, to lower the risk that the cancer will come back, is called adjuvant therapy.

Radiation therapy

Radiation therapy is a cancer treatment that uses high-energy x-rays or other types of radiation to kill cancer cells or keep them from growing. There are two types of radiation therapy:

The way the radiation therapy is given depends on the type of cancer being treated. External radiation therapy is used to treat metastatic squamous neck cancer with occult primary.

Radiation therapy to the neck may change the way the thyroid gland works. Blood tests may be done to check the thyroid hormone level in the body before treatment and at regular checkups after treatment.

New types of treatment are being tested in clinical trials.

This summary section describes treatments that are being studied in clinical trials. It may not mention every new treatment being studied. Information about clinical trials is available from the NCI website.

Chemotherapy

Chemotherapy is a cancer treatment that uses drugs to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. When chemotherapy is taken by mouth or injected into a vein or muscle, the drugs enter the bloodstream and can reach cancer cells throughout the body (systemic chemotherapy). When chemotherapy is placed directly into the cerebrospinal fluid, an organ, or a body cavity such as the abdomen, the drugs mainly affect cancer cells in those areas (regional chemotherapy).

Hyperfractionated radiation therapy

Hyperfractionated radiation therapy is a type of external radiation treatment in which a smaller than usual total daily dose of radiation is divided into two doses and the treatments are given twice a day. Hyperfractionated radiation therapy is given over the same period of time (days or weeks) as standard radiation therapy.

Patients may want to think about taking part in a clinical trial.

For some patients, taking part in a clinical trial may be the best treatment choice. Clinical trials are part of the cancer research process. Clinical trials are done to find out if new cancer treatments are safe and effective or better than the standard treatment.

Many of today's standard treatments for cancer are based on earlier clinical trials. Patients who take part in a clinical trial may receive the standard treatment or be among the first to receive a new treatment.

Patients who take part in clinical trials also help improve the way cancer will be treated in the future. Even when clinical trials do not lead to effective new treatments, they often answer important questions and help move research forward.

Patients can enter clinical trials before, during, or after starting their cancer treatment.

Some clinical trials only include patients who have not yet received treatment. Other trials test treatments for patients whose cancer has not gotten better. There are also clinical trials that test new ways to stop cancer from recurring (coming back) or reduce the side effects of cancer treatment.

Clinical trials are taking place in many parts of the country. See the Treatment Options section that follows for links to current treatment clinical trials. These have been retrieved from NCI's listing of clinical trials.

Follow-up tests may be needed.

Some of the tests that were done to diagnose the cancer or to find out the stage of the cancer may be repeated. Some tests will be repeated in order to see how well the treatment is working. Decisions about whether to continue, change, or stop treatment may be based on the results of these tests.

Some of the tests will continue to be done from time to time after treatment has ended. The results of these tests can show if your condition has changed or if the cancer has recurred (come back). These tests are sometimes called follow-up tests or check-ups.

Treatment Options for Metastatic Squamous Neck Cancer with Occult Primary

Untreated Metastatic Squamous Neck Cancer with Occult Primary

Treatment of untreated metastatic squamous neck cancer with occult primary may include the following:

Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.

Recurrent Metastatic Squamous Neck Cancer with Occult Primary

Treatment of recurrent metastatic squamous neck cancer with occult primary is usually within a clinical trial.

Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.

To Learn More About Metastatic Squamous Neck Cancer with Occult Primary

For more information from the National Cancer Institute about metastatic squamous neck cancer with occult primary, see the following:

For general cancer information and other resources from the National Cancer Institute, see the following:

About This PDQ Summary

About PDQ

Physician Data Query (PDQ) is the National Cancer Institute's (NCI's) comprehensive cancer information database. The PDQ database contains summaries of the latest published information on cancer prevention, detection, genetics, treatment, supportive care, and complementary and alternative medicine. Most summaries come in two versions. The health professional versions have detailed information written in technical language. The patient versions are written in easy-to-understand, nontechnical language. Both versions have cancer information that is accurate and up to date and most versions are also available in Spanish.

PDQ is a service of the NCI. The NCI is part of the National Institutes of Health (NIH). NIH is the federal government’s center of biomedical research. The PDQ summaries are based on an independent review of the medical literature. They are not policy statements of the NCI or the NIH.

Purpose of This Summary

This PDQ cancer information summary has current information about the treatment of metastatic squamous neck cancer with occult primary. It is meant to inform and help patients, families, and caregivers. It does not give formal guidelines or recommendations for making decisions about health care.

Reviewers and Updates

Editorial Boards write the PDQ cancer information summaries and keep them up to date. These Boards are made up of experts in cancer treatment and other specialties related to cancer. The summaries are reviewed regularly and changes are made when there is new information. The date on each summary ("Date Last Modified") is the date of the most recent change.

The information in this patient summary was taken from the health professional version, which is reviewed regularly and updated as needed, by the PDQ Adult Treatment Editorial Board.

Clinical Trial Information

A clinical trial is a study to answer a scientific question, such as whether one treatment is better than another. Trials are based on past studies and what has been learned in the laboratory. Each trial answers certain scientific questions in order to find new and better ways to help cancer patients. During treatment clinical trials, information is collected about the effects of a new treatment and how well it works. If a clinical trial shows that a new treatment is better than one currently being used, the new treatment may become "standard." Patients may want to think about taking part in a clinical trial. Some clinical trials are open only to patients who have not started treatment.

Clinical trials are listed in PDQ and can be found online at NCI's website. Many cancer doctors who take part in clinical trials are also listed in PDQ. For more information, call the Cancer Information Service 1-800-4-CANCER (1-800-422-6237).

Permission to Use This Summary

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The best way to cite this PDQ summary is:

PDQ Adult Treatment Editorial Board. PDQ Metastatic Squamous Neck Cancer with Occult Primary Treatment. Bethesda, MD: National Cancer Institute. Updated <MM/DD/YYYY>. Available at: https://www.cancer.gov/types/head-and-neck/patient/metastatic-squamous-neck-treatment-pdq. Accessed <MM/DD/YYYY>. [PMID: 26389176]

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Physicians version: CDR0000062919
Date last modified: 2016-08-19

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Dr. G. Quade
This page was last modified on Tuesday, 21-Nov-2017 11:57:00 CET
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