Groin Lumps: Potential Causes and Concerns

There is a lump in the groin?

Hello doctor, two weeks ago I noticed a hard lump near my groin area in the pubic hair region.
At that time, it was not painful when pressed.
It wasn't very hard, somewhat soft but slightly firm, measuring about 1 cm to 0.8 cm.
I could feel a slight protrusion on the skin's surface, but there were no changes in the skin itself.
After one week, the lump had decreased in size, and two weeks later, I could no longer feel the lump on the skin's surface.
However, when I pressed down with two fingers, I could still feel a very small ball, approximately 0.6 to 0.5 cm in size.
This concerns me.
Additionally, in the area where the lump was, I developed a folliculitis a few days ago.
I'm unsure if that small ball is related to the folliculitis or if it's a previous lymph node.
I'm also worried it might grow larger again, so I've been checking and pressing it daily.
There’s no sensation when I press or touch it, but I can feel the small ball only when I apply pressure with two fingers.
Doctor, could you help me analyze whether there is a chance this could be a worsening tumor? Thank you very much!

Niming, 10~19 year old female. Ask Date: 2018/05/17

Dr. Hu Ziren reply Oncology

It should just be a lymph node or another benign subcutaneous mass, and since it has decreased in size rather than increased, it is advised not to keep pressing on it; observation is sufficient.

Reply Date: 2018/05/17

More Info

When it comes to groin lumps, there are several potential causes that can lead to the formation of hard or soft lumps in the area. Based on your description, it seems that you initially felt a lump that was somewhat soft but firm, measuring around 1 cm, which has since decreased in size and is now approximately 0.5-0.6 cm. The fact that the lump has diminished and is not causing any pain is a positive sign, but it is understandable that you are concerned about its nature and whether it could be something serious, such as a tumor.

One common cause of lumps in the groin area is swollen lymph nodes. Lymph nodes can become enlarged due to various reasons, including infections, inflammation, or even malignancies. In your case, the lump you felt could have been a lymph node reacting to an infection or irritation in the area, especially if you have since developed a folliculitis (inflammation of the hair follicles). Folliculitis can occur due to bacterial or fungal infections and may lead to localized swelling and tenderness.

Another possibility is a sebaceous cyst, which is a benign growth that can occur when a hair follicle becomes blocked. These cysts can feel firm and may fluctuate in size. They are generally harmless unless they become infected, in which case they may require treatment.

Given that the lump has decreased in size and is no longer painful, it is less likely to be a malignant tumor. Tumors typically do not decrease in size without treatment, and they often present with additional symptoms such as pain, changes in skin color, or other systemic symptoms. However, it is essential to monitor any changes in the lump, including size, shape, or associated symptoms.

It is also important to avoid excessive manipulation of the area, as this can lead to irritation or infection. If the lump continues to change or if you develop new symptoms, it would be wise to consult a healthcare professional for a thorough evaluation. They may recommend imaging studies, such as an ultrasound, or a biopsy if there is any concern about the nature of the lump.

In summary, while the lump you described is likely benign, especially given its reduction in size and lack of pain, it is crucial to remain vigilant. If you notice any changes or have persistent concerns, seeking medical advice is the best course of action. Regular check-ups can help ensure that any potential issues are addressed promptly, providing peace of mind and maintaining your health.

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