Thigh Issues: Causes and When to Seek Help

Leg problems

There is a large indentation on the outer side of my left thigh, which has turned purple and is painful when pressed.
This has been present for about three years, but it seems to be getting larger.
I'm not sure which specialist to consult, and I haven't found any similar cases while researching.
It's especially noticeable when wearing shorts, as there is a prominent purple area that is also indented.

Yu, 10~19 year old female. Ask Date: 2019/06/11

Dr. Ye Qianyu reply Family Medicine

Hello! Based on your description, it is difficult to assess the actual condition.
I recommend that you visit an orthopedic or dermatology clinic.
Thank you for your inquiry, and I wish you a speedy recovery!

Reply Date: 2019/06/11

More Info

It sounds like you are experiencing a concerning issue with your left thigh, specifically a noticeable indentation accompanied by a purple discoloration that has been present for about three years and seems to be worsening. This situation can understandably cause you distress, especially if it is becoming more prominent and is noticeable when wearing shorts.

From a medical perspective, there are several potential causes for the symptoms you describe. The indentation in your thigh could be due to a few different factors, including:
1. Soft Tissue Injury: This could be a result of a previous trauma or injury that may have caused damage to the muscle or fat tissue in that area. Over time, such injuries can lead to changes in the appearance of the skin and underlying tissues.

2. Hematoma: The purple coloration suggests that there may be some form of bleeding under the skin, known as a hematoma. This can occur after an injury, even if the injury was minor or occurred a long time ago. If the hematoma has not fully resolved, it could lead to the indentation you are seeing.

3. Lipodystrophy: This condition involves the loss of fat tissue in certain areas of the body, which can create indentations. It can be associated with various medical conditions or can occur without a clear cause.

4. Vascular Issues: Conditions affecting blood vessels, such as chronic venous insufficiency, can lead to changes in skin color and texture, as well as swelling or indentation.

5. Dermatological Conditions: Certain skin conditions can also cause changes in the skin's appearance, including discoloration and texture changes.

Given that this issue has persisted for three years and is becoming more pronounced, it is essential to seek medical attention. Here are some steps you can take:
- Consult a Healthcare Provider: Start by visiting a primary care physician or a dermatologist. They can perform a physical examination and may recommend imaging studies, such as an ultrasound or MRI, to assess the underlying tissues.

- Specialist Referral: Depending on the findings, your doctor may refer you to a specialist, such as an orthopedic surgeon, vascular surgeon, or a dermatologist, for further evaluation and management.

- Document Changes: Keep a record of any changes in the size, color, or pain associated with the indentation. This information can be helpful for your healthcare provider in making a diagnosis.

- Avoid Self-Diagnosis: While researching your symptoms online can provide some insights, it is crucial to avoid self-diagnosing. Many conditions can present with similar symptoms, and a healthcare professional can provide a more accurate diagnosis.

In summary, the indentation and discoloration on your thigh warrant a thorough evaluation by a healthcare professional. Early intervention can be crucial in managing any underlying conditions and preventing potential complications. Don't hesitate to seek help, as addressing these symptoms sooner rather than later can lead to better outcomes.

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