Managing Post-Accident Bruises and Lumps: What You Need to Know - Plastic Surgery

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Bruising and hematoma after a car accident?


My daughter had a car accident over a month ago.
The bruising around her eyes and nose has faded, but there is still a hard lump about one centimeter in size that hasn't gone away.
What should I do, doctor? Previously, we visited a clinic where the doctor mentioned it might be fat calcification, but he wasn't sure if it would definitely resolve.
Another hospital suggested it could be a blood clot that hasn't dissolved.

kevin77, 0~9 year old female. Ask Date: 2013/01/12

Dr. Lu Daokuan reply Plastic Surgery


If the blood clot is mostly absorbed, a large clot should have liquefied within a month.
A 1 cm hard mass may be a localized fibrotic reaction following an injury, which typically softens gradually over 2 to 3 months.

Reply Date: 2013/01/12

More Info


After a car accident, it is not uncommon to experience bruising and the formation of lumps in the affected areas. In your daughter's case, the presence of a hard lump near her eye and nose that has persisted for over a month raises some important considerations.

First, it is essential to understand the nature of the lump. The two potential diagnoses you mentioned—fatty calcification and residual blood clot—are quite different in their implications and management. Fatty calcification typically occurs when fat tissue undergoes a process of calcification, which can happen after trauma. This condition is generally benign and may not require treatment unless it causes discomfort or cosmetic concerns. However, it may take time to resolve completely, and in some cases, it may not disappear entirely.

On the other hand, if the lump is indeed a residual blood clot, it may require further evaluation. Blood clots can sometimes lead to complications, especially if they do not resolve on their own. If the lump is firm and painful, or if there are any signs of infection (such as redness, warmth, or discharge), it is crucial to seek medical attention promptly.

Given the conflicting opinions from the two healthcare providers, it would be prudent to follow up with a specialist, such as a dermatologist or a plastic surgeon, who can provide a more definitive diagnosis. They may recommend imaging studies, such as an ultrasound or a CT scan, to assess the nature of the lump more accurately. This can help determine whether it is a fatty deposit, a blood clot, or another type of tissue change.

In the meantime, here are some general management tips for bruises and lumps post-accident:
1. Monitor the Lump: Keep an eye on the size, shape, and any associated symptoms of the lump. If it changes significantly or becomes painful, seek medical advice.

2. Cold Compress: Applying a cold compress to the area can help reduce swelling and provide relief if there is any discomfort.

3. Pain Management: Over-the-counter pain relief medications, such as acetaminophen or ibuprofen, can be used to manage any pain associated with the lump.

4. Avoid Strain: Encourage your daughter to avoid activities that may put strain on the area, as this could exacerbate any underlying issues.

5. Follow-Up Care: Regular follow-up appointments with healthcare providers are essential to monitor the lump's progress and ensure that it is not indicative of a more serious condition.

6. Healthy Lifestyle: Maintaining a healthy diet and staying hydrated can support the body's healing processes.

In conclusion, while it is common to have lingering effects from an accident, it is essential to ensure that the lump is appropriately evaluated and managed. Seeking a second opinion from a specialist can provide clarity and peace of mind. If the lump is indeed a fatty calcification, it may resolve over time, but if it is a blood clot or another issue, timely intervention may be necessary. Always prioritize your daughter's health and well-being by staying vigilant and proactive in her care.

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