About Soft Tissue Sarcoma
Soft tissue sarcoma is a type of cancer that originates in the soft tissues of the body. These tissues include muscles, tendons, fat, blood vessels, lymph vessels, nerves, and tissues around joints. Soft tissue sarcomas can develop in various locations throughout the body, but they are most commonly found in the arms, legs, abdomen, and retroperitoneum (the area behind the abdomen).
There are more than 60 different types of soft tissue sarcomas, each with its own characteristics and behaviors. Symptoms may vary depending on the location and size of the tumor but can include a palpable lump under the skin, pain, or difficulty breathing. Diagnosis is typically made through a biopsy, where a sample of the tumor is examined under a microscope. Treatment options and prognosis depend on several factors and should be discussed with a healthcare professional.
Soft tissue sarcoma is a type of cancer that develops in the soft tissues of the body, such as muscles, tendons, and fat. The causes of soft tissue sarcoma are not fully understood.
Non-modifiable risk factors are factors that cannot be changed and may increase the chances of developing this condition. Some genetic conditions are associated with a higher risk of developing soft tissue sarcoma. These are:
- Neurofibromatosis type 1: A genetic disorder causing tumors in nerve tissues.
- Li-Fraumeni syndrome: A rare genetic condition that raises the risk of several cancers, including sarcomas.
- Familial adenomatous polyposis: A genetic condition linked to a higher risk of tumors, including sarcomas.
- Exposure to radiation: High doses of radiation therapy for cancer treatment can increase the risk of developing soft tissue sarcoma later in life.
Modifiable risk factors are factors that individuals can potentially control to reduce their risk of developing soft tissue sarcoma. These include:
- Avoiding exposure to certain chemicals: Although more evidence is needed to confirm this association, exposure to chemicals like vinyl chloride, dioxins, and phenoxyacetic herbicides may potentially increase the risk.
It's important to note that these risk factors do not guarantee the development of soft tissue sarcoma and not everyone with these risk factors will develop the condition. Regular check-ups with a healthcare professional can help monitor any potential signs or symptoms.
The symptoms of STS can vary depending on the size and location of the tumor.
- A lump or area of swelling: This is the most common sign of STS in the arm. The lump may be painless or cause pain if it presses against nerves or muscles.
Other common symptoms that may occur with later stages, progression, or higher severity of STS include:
- Pain: As the tumor grows and presses on surrounding structures, it can cause pain in the affected area.
- Difficulty breathing: If the tumor is located near the lungs or presses on blood vessels, it can lead to breathlessness.
- Abdominal symptoms: If the tumor develops in the abdomen, it may cause abdominal pain, constipation, and a feeling of fullness.
- Gastrointestinal bleeding: In some cases, STS can cause black, tarry stools or blood in vomit or stools.
- Bowel obstruction: A tumor that grows large enough can block the bowels and cause symptoms like abdominal pain and constipation.
- Fatigue and unintentional weight loss: Metastatic STS (cancer that has spread to other parts of the body) can lead to extreme tiredness, weakness, and weight loss.
- Shortness of breath: Metastatic STS can also cause shortness of breath.
It's important to note that these symptoms are not exclusive to STS and can be caused by other conditions as well. If you experience any concerning symptoms or notice new lumps, it's best to consult with a doctor for proper evaluation and diagnosis.
The examinations, tests, and procedures commonly performed to diagnose STS include:
- Physical exam: A healthcare provider will look for physical signs such as pain, swelling, or masses.
- Imaging tests: X-rays, ultrasounds, CT scans, PET scans, and MRI scans can help visualize the location, size, and shape of tumors.
- Biopsy: A small piece of tissue is removed for further testing.
To determine the stage or severity of STS, additional examinations, tests, and procedures may be recommended:
- Further imaging: CT scans, MRI scans, and PET scans can provide more detailed information about the extent of the tumor.
- Tissue testing: The collected tissue sample from the biopsy is analyzed to determine the specific type of sarcoma.
- Cancer grade: A measure of the cancer's aggressiveness is determined on a scale from 1 to 3.
- Lymph node evaluation: The presence or absence of cancer cells in nearby lymph nodes is assessed.
It's important to consult with a healthcare professional who can provide personalized advice based on your individual situation.
The goals of treatment for STS can vary depending on the stage and extent of the cancer. The overall treatment goals include:
- Cure: If the cancer is diagnosed at an early stage, the goal is to completely remove the tumor and cure the cancer. Surgery is often the main treatment option for this purpose.
- Symptom management: For advanced or recurrent STS, the focus may shift towards managing symptoms and improving quality of life. Radiation therapy can help relieve symptoms by shrinking tumors or stopping their growth.
The recommended treatments for STS include:
- Surgery: The primary treatment for STS is surgical removal of the tumor. The goal is to remove the entire tumor while minimizing damage to surrounding healthy tissue. In some cases, surgery may be used as a palliative treatment to relieve symptoms.
- Radiation therapy: This treatment uses high-energy beams to kill cancer cells and shrink tumors. It can be used before surgery (neoadjuvant), after surgery (adjuvant), or as a substitute for surgery in certain cases.
- Chemotherapy: Sometimes, chemotherapy may be used in combination with radiation therapy. Chemotherapy uses drugs to kill cancer cells throughout the body. However, response rates to chemotherapy in STS are generally low.
It's important to note that specific medication types, therapeutic procedures, and lifestyle changes may vary depending on individual factors such as the stage and type of STS. It's best to consult with a healthcare professional for personalized recommendations.
Medication dosing may be affected by many factors. Check with your health care professional about dosing for your individual situation. Other side effects can occur. Check with your health care professional or read the information provided with your medication for additional side effect information.