Soft Tissue Hematoma in Children: Symptoms, First Aid, and Treatment
Childhood is inextricably linked with intense physical activity, exploring the world, and, as a result, recurring injuries. One of the most common reasons for consulting a pediatrician or pediatric traumatologist is a soft tissue hematoma, which occurs as a result of mechanical impact. Although subcutaneous hemorrhage resolves spontaneously in most cases, it is important for parents to understand the mechanisms of this injury, recognize complications promptly, and provide appropriate care.
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Why do hematomas appear in children?
The causes of hematomas in children vary, but almost all are related to childhood characteristics—a lack of danger awareness, poor motor coordination, and high levels of physical activity.
Sports and household injuries
Playing sports—such as soccer, martial arts, or gymnastics—increases the risk of injury. A child may develop a bruise as a result of a direct hit with a ball or sports equipment. Household situations, such as pinching a finger in a door or having a heavy object fall on the foot, are also common reasons for visiting the emergency room. In these situations, a soft tissue contusion may be accompanied by ligament or periosteal injury.
Bruises, Falls, and Active Play
A child's bruise most often occurs while running, climbing trees, or colliding with other children. Falling from standing height is another cause of a hematoma after a blow. The shins, elbows, and forehead are most often affected.
Hematoma after an Injection or Procedure
Sometimes parents notice a hematoma in their child after drawing blood from a vein or giving an intramuscular injection. This occurs when the needle penetrates a vessel or when insufficient pressure is applied to the puncture site after the needle is removed. This type of vascular injury usually does not require specific treatment and resolves within a few days.
How to recognize a hematoma in a child
Parents should distinguish a common abrasion from a deep injury. If they cannot do this on their own, a doctor's examination is necessary.
Main signs: pain, swelling, skin discoloration
The first symptom is pain and swelling. The skin at the site of the impact turns red, followed shortly by a bluish or purple spot. Swelling of the soft tissue develops almost immediately. The color change is the breakdown of hemoglobin: from blue-black to greenish and yellow. The skin over the injured area may be warm.
What's the difference between a hematoma and a bruise or contusion?
Many people consider these concepts to be synonymous, but specialists distinguish between them. A bruise (ecchymosis) is the soaking of the skin with blood without the formation of a cavity. A hematoma after a blow is a collection of blood that can be felt as a fluctuating (shaky) ball under the skin. A bruise in a child is the mechanism of injury itself, which can result in anything from mild redness to a deep subcutaneous hematoma.
Worrying symptoms that require medical attention
Parents should closely monitor the healing process. There are situations when self-medication is unacceptable.
Seek immediate medical attention if:
- Swelling continues to increase 3-4 hours after the injury
- There is limited movement (the child cannot bend an arm or put weight on a leg)
- Pain is not relieved by pills or ointments and intensifies with the slightest touch
- The skin over the hematoma becomes red and hot
- Lethargy, nausea, and fever develop
General information
Diagnosing a Soft Tissue Hematoma
To select the appropriate treatment strategy for a soft tissue hematoma, it is necessary to accurately determine the extent of the injury.
Examination and Questioning of Parents
The doctor begins the diagnosis by determining the circumstances of the injury: how long ago it occurred, the force of the impact, and whether first aid was provided. During the examination, the specialist checks the integrity of the bone structures, the preservation of sensation, and the pulsation of blood vessels below the site of injury.
Soft Tissue Ultrasound and Additional Tests
If a child's hematoma is large or localized in the deep muscle layers, a clinical examination may not be sufficient.
- Soft tissue ultrasound: the most accessible and safe method. It allows one to determine the exact volume of blood spilled, its structure (liquid or clotted), and the presence of connections with major vessels
- X-ray: prescribed if there is a suspicion of a concomitant fracture or bone crack
- MRI: required in rare, complex cases when it is necessary to assess the condition of deep structures during a protracted course of the disease
Frequently Asked Questions
This article is for informational purposes only. All injuries should be examined by a pediatrician or traumatologist.
What should I do for a soft tissue hematoma in a child in the first few hours?
When is a hematoma in a child dangerous?
How long does it take for a soft tissue hematoma to heal in children?
Can I apply heat or massage to the hematoma?
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What is a soft tissue hematoma?
In medicine, the term "hematoma" refers to a localized accumulation of blood in closed injuries, accompanied by rupture of blood vessels and the formation of a blood-filled cavity. Unlike a typical superficial bruise, a soft tissue hematoma affects deeper layers: the subcutaneous fat and muscle.
When a severe soft tissue contusion occurs, blood from damaged capillaries and veins spills into the surrounding area. The pressure of the accumulated fluid causes swelling of the soft tissue, which compresses nerve endings, causing pain. In children, the tissues are more friable, and the vascular wall is highly permeable, so even minor impacts can cause significant damage.