Movable Skin Lumps Near the Anterior Superior Iliac Spine - Dermatology

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A hard lump adjacent to the anterior superior iliac spine?


Hello, doctor.
I have developed two large, round lumps next to the left upper anterior iliac spine.
They are movable and do not hurt when pressed; they are not visible on the surface and can only be felt upon touch.
Each lump is separate and there are also three or four smaller ones that have also grown.
Additionally, my left leg tends to feel numb and tingling.
I have searched online for answers but couldn't find any, so I am asking this question.
Thank you.

Lin Qiaoqiao, 30~39 year old female. Ask Date: 2016/04/14

Dr. Wu Yuxin reply Dermatology


Without actually seeing the lesion, it cannot be confirmed.
If it is causing significant distress, it is advisable to seek medical attention as soon as possible.

Reply Date: 2016/04/14

More Info


Based on your description of movable skin lumps near the anterior superior iliac spine, it sounds like you may be dealing with a few different possibilities. The anterior superior iliac spine (ASIS) is a bony prominence on the pelvis, and lumps in this area can arise from various causes, including lipomas, cysts, or lymph nodes.
1. Lipomas: These are benign tumors made of fat tissue. They are usually soft, movable, and painless. Lipomas can vary in size and may feel like a rubbery lump under the skin. They are generally harmless and do not require treatment unless they become bothersome or painful.

2. Sebaceous Cysts: These are small, non-cancerous lumps beneath the skin that can occur when a hair follicle becomes blocked. They are typically movable and can be painless unless they become inflamed or infected.

3. Lymph Nodes: While lymph nodes are typically found deeper in the body, superficial lymph nodes can sometimes be palpable in the groin area. If they are swollen, it could indicate an infection or other underlying condition. However, if they are not tender and movable, they may not be a cause for concern.

4. Other Possibilities: Other conditions such as fibromas or dermatofibromas can also present as movable lumps. These are benign skin growths that can be firm and may feel like small nodules under the skin.

Given that you mentioned experiencing numbness and tingling in your left leg, it’s important to consider that this could be related to nerve compression or irritation, possibly due to the lumps or other underlying issues such as a herniated disc or sciatica.

Recommendations:
- Consult a Healthcare Provider: It is crucial to have a healthcare professional examine these lumps, especially since they are increasing in size. A physical examination can provide valuable insights, and imaging studies like an ultrasound or MRI may be warranted to assess the nature of the lumps and their relationship to surrounding structures.

- Monitor Symptoms: Keep track of any changes in the lumps, such as increased size, pain, or changes in sensation in your leg. This information can be helpful for your doctor.

- Avoid Self-Diagnosis: While it’s tempting to search online for answers, self-diagnosis can lead to unnecessary anxiety. A healthcare provider can offer a more accurate diagnosis based on clinical evaluation and possibly further testing.

In summary, while movable lumps near the ASIS can often be benign, the presence of leg numbness warrants a thorough evaluation to rule out any potential complications. It’s best to seek medical advice to ensure proper diagnosis and management.

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