KNOWLEDGE BASE ARTICLE

Plastic surgery terms explained

Hematoma

What does this term mean?

Definition

A hematoma is a collection of blood outside the blood vessels, often caused by surgery or trauma. It forms when blood vessels are damaged and blood accumulates in the surrounding tissue. Hematomas are common after procedures such as plastic surgery and can range from small bruises to larger, noticeable lumps.

While small hematomas usually heal on their own, larger collections of blood can lead to complications and may require medical treatment.

In-Depth Explanation

How Does a Hematoma Occur?

During or after surgery, small blood vessels can be damaged. If the blood is not fully absorbed or drained by the body, a hematoma may form. This can happen immediately after the procedure or develop in the following days. Risk factors include:

  • High blood pressure
  • Blood thinners (such as aspirin or anticoagulants)
  • Intense movement or pressure on the surgical site
  • Insufficient hemostasis during surgery

Symptoms of a Hematoma

Symptoms are usually visible and may vary depending on the size and location:

  • Swelling: A noticeable, sometimes painful lump under the skin.
  • Skin discoloration: Blue, purple, red, or yellow-green as the hematoma heals.
  • Pain or pressure: Especially in large or sensitive areas.
  • Warmth or redness: Sometimes present; more severe if infected.

Large internal hematomas or those near vital organs may cause more serious symptoms, such as difficulty breathing, dizziness, or pressure on nearby structures.

Treatment of a Hematoma

Treatment depends on the size, location, and symptoms. Many small hematomas resolve on their own, but medical intervention may be necessary in some cases.

  • Observation: Small hematomas are usually reabsorbed by the body within weeks or months.
  • Compression and rest: Helps reduce swelling and promote healing.
  • Ice: Applying ice soon after surgery can limit bleeding and swelling.
  • Drainage: In large or painful hematomas, the doctor may remove the blood with a needle or small incision.
  • Surgical intervention: Rarely needed, but may be necessary for very large hematomas or complications like infection.

Complications of a Hematoma

Although most hematomas are harmless, complications can occur:

  • Infection: An infected hematoma may require drainage and antibiotics.
  • Scarring: Large hematomas may result in scar tissue.
  • Persistent pain or discomfort: Due to pressure on surrounding tissues or nerves.
  • Skin necrosis: Severe pressure may damage surrounding tissue.

Always consult a doctor if symptoms like increasing pain, warmth, redness, or fever occur, as these may indicate infection.

Preventing Hematomas

While not all hematomas can be prevented, the risk can be reduced by:

  • Discontinuing blood thinners: In consultation with a doctor before surgery.
  • Blood pressure control: High blood pressure increases the risk of postoperative bleeding.
  • Rest and compression: Helps minimize bleeding and supports recovery.
  • Proper surgical technique: Careful hemostasis during the procedure reduces bleeding risk.

Recovery and Prognosis

Most hematomas heal without lasting issues. The body gradually breaks down the collected blood, and the area returns to its normal appearance and texture. In more serious cases, such as large or infected hematomas, additional medical care may be required.

By staying alert and monitoring symptoms, complications can often be prevented or treated in time.

About the author:

Dr. David Jairath

Plastic Surgeon

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