Soft Tissue Cancer & Soft Tissue Sarcoma | Symptoms, Diagnosis & Treatment

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Understanding Lumps Under the Skin

It is common to have lumps under the skin. Most of these are small and do not require any intervention, though sometimes if lumps become larger they may cause discomfort or be concerning for cancer. Your first port of call is your family doctor – they will usually identify simple and common lumps such as skin cysts and lipomas (benign fat growths). If your family doctor is concerned (we usually recommend a specialist review of any lump larger than a golf ball), specialist referral is warranted.

Features of a Lump

Features of lumps that may suggest cancer include;

  • rapid growth or pain
  • size greater than 5cm in diameter
  • when the lump is deeper (under the layer covering the muscle, called the fascia)

Signs and Symptoms of Soft Tissue Cancer

Soft tissue cancer symptoms can vary depending on location and size. In many cases, the earliest sign is a painless lump that gradually increases in size. As the tumour grows, it may cause discomfort, swelling, or pressure on nearby nerves and muscles. Any lump that continues to enlarge or feels deep within the tissue should be assessed by a medical professional.

Causes and Risk Factors of Sarcoma Cancer

The exact cause of sarcoma cancer is often unknown. However, recognised risk factors may include;

  • Previous radiation therapy
  • Certain inherited genetic conditions
  • Chronic lymphoedema
  • Exposure to specific environmental chemicals

Most people diagnosed with soft tissue sarcoma do not have a clear, identifiable cause.

Diagnosis of Suspected Soft Tissue Cancer (Sarcoma)

If your family doctor is concerned that the lump may be a soft tissue cancer (sarcoma), there is a preferred pathway to follow with imaging (ultrasound or MRI) and targeted biopsy (called a core biopsy, usually performed under ultrasound guidance) before any surgery is undertaken. This is because the choice of surgery (or other treatments) may be quite different depending on the nature of the lump.

Fortunately, 90% of lumps that we investigate are not cancerous (benign) and may be managed with simple surgical removal. When soft tissue cancer (sarcoma) is confirmed, your care will be discussed with other specialists in a multi-disciplinary team (many heads are better than one in this situation).

Treatment Options for Soft Tissue Sarcoma

The plastic surgeons at Plastic Surgery Central have extra training in the management of soft tissue cancer (sarcoma) including the reconstructive surgery that is often required. Dr Roger Woods helped to write the National clinical guidelines or the care of Sarcoma with the Cancer Council of Australia, and was lead author in the Reconstructive surgery area.

You can be reassured that we have the experience and team to support you or your loved one through this complex condition.

Common symptoms include a visible lump, wrist or hand discomfort, and occasionally reduced joint movement. Some cysts are painless.

Diagnosis is usually made through clinical examination. Ultrasound may be used to confirm the cyst’s fluid-filled nature.

In some cases, observation or aspiration (fluid drainage) may be considered. Recurrence is possible.

Surgery may be appropriate if the cyst causes persistent pain, limits movement, or recurs after other treatment.

Recovery varies, but most patients gradually return to normal activities over several weeks.

Recovery varies, but most patients gradually return to normal activities over several weeks.

Our Soft Tissue Tumour Surgeons

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