Movable Lumps on the Inner Thigh After Sports Injury - Surgery

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Hard lump on the inner thigh?


Hello, I recently experienced a strain while playing basketball and suddenly noticed a movable lump about the size of half a finger joint on the inner side of my thigh.
It is not visible from the outside, and I had never felt it before due to my previous larger body size.
I would like to know if this is a normal phenomenon.

cc, 10~19 year old female. Ask Date: 2016/03/02

Dr. Li Zhonghuai reply Surgery


Hello! It is most likely a hematoma from a previous injury, and the blood clot has not completely absorbed.
Please visit a general surgeon for an ultrasound.
If it is indeed a hematoma, an incision may be necessary to drain the clot, as it may take a long time to absorb on its own.
There have even been cases where a child was hit in first grade and still had not fully absorbed the hematoma by fourth grade when they came in for debridement.
Changhua Hospital cares about you!

Reply Date: 2016/03/02

More Info


After experiencing a sports injury, it's not uncommon to discover movable lumps or swelling in the affected area, such as the inner thigh. These lumps can be concerning, especially if they appear suddenly after an injury. Let's break down the potential causes and what you should consider regarding this condition.


Possible Causes of Movable Lumps
1. Hematoma: Following a sports injury, blood can accumulate in the tissues, forming a hematoma. This can create a lump that may feel movable under the skin. Hematomas can vary in size and may take time to resolve, often changing color as they heal.

2. Lipoma: A lipoma is a benign tumor made of fat tissue. While they are usually present for a long time and not associated with recent injuries, if you have recently lost weight or changed your body composition, you might be more aware of existing lipomas.

3. Muscle Strain or Tear: If you have strained or torn a muscle, the resulting inflammation can lead to swelling and the formation of a lump. This lump may feel movable as it is often surrounded by fluid or scar tissue.

4. Lymph Nodes: The inner thigh contains lymph nodes that can become swollen due to infection or inflammation. If you have had any recent infections or injuries, these nodes may react and become palpable.

5. Cyst: A cyst can form in the soft tissues of the thigh, which can also present as a movable lump. These are usually benign and can be caused by various factors, including blocked glands.


When to Seek Medical Attention
While some lumps may resolve on their own, you should seek medical attention if you experience any of the following:
- Persistent Pain: If the lump is painful or if the pain worsens over time, it’s essential to consult a healthcare professional.

- Rapid Growth: If the lump grows quickly or changes in appearance, this warrants further investigation.

- Associated Symptoms: If you experience fever, chills, or other systemic symptoms, it could indicate an infection or other serious condition.

- Limited Mobility: If the lump affects your ability to move or perform daily activities, a medical evaluation is necessary.


Diagnostic Approach
To determine the nature of the lump, a healthcare provider may recommend:
- Physical Examination: A thorough examination can help assess the lump's characteristics.

- Imaging Studies: Ultrasound or MRI may be used to visualize the lump and surrounding tissues, helping to differentiate between a hematoma, cyst, or other conditions.

- Biopsy: In rare cases, a biopsy may be necessary to rule out malignancy, especially if there are concerning features.


Management and Recovery
If the lump is determined to be a hematoma or related to a muscle strain, management may include:
- Rest and Ice: Resting the affected area and applying ice can help reduce swelling and pain.

- Compression: Using a compression bandage may assist in minimizing swelling.

- Elevation: Keeping the leg elevated can also help reduce swelling.

- Physical Therapy: Once the initial pain subsides, physical therapy may be beneficial to restore strength and flexibility.


Conclusion
In summary, discovering a movable lump on the inner thigh after a sports injury can be due to various reasons, including hematomas, lipomas, muscle strains, swollen lymph nodes, or cysts. While many of these conditions are benign, it is crucial to monitor the lump and seek medical advice if you experience persistent pain, rapid growth, or other concerning symptoms. Early evaluation and appropriate management can help ensure a smooth recovery and prevent complications. Always listen to your body and prioritize your health, especially after an injury.

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