Unusual Growths on Fingers: Causes and Treatment Options - Dermatology

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Strange things on the fingers..?


Hello, doctor.
Recently, I accidentally cut into the flesh while trimming my toenails, causing some bleeding.
After the wound healed, I noticed some black spots at the site.
Is this a sign of infection? Additionally, I have discovered circular protrusions about 0.2 cm in diameter near the nails of my left ring finger, right middle finger, and next to the joint of my right thumb.
They are painless and itch-free, resembling small blisters.
Currently, there are three on my hand, and I have also developed three at the site of the previous toenail injury, arranged like the vertices of a triangle.
How should I address this? Is it related to my daily activities? Thank you.

AP, 20~29 year old female. Ask Date: 2006/08/12

Dr. Hong Zhengsheng reply Dermatology


Hello, AP: It could be a viral wart or another skin lesion.
I apologize that based on your description, I cannot determine your exact condition.
I recommend that when you notice the symptoms mentioned, you should promptly visit a public hospital in your city or county under the Department of Health and consult with a dermatologist.
All the physicians here are very willing to assist you.
Thank you for using "Taiwan e-Hospital" to ask your question.
"Taiwan e-Hospital" cares about your health.

Reply Date: 2006/08/12

More Info


When it comes to unusual growths on fingers and toes, there are several potential causes and treatment options to consider. Based on your description, it sounds like you may be dealing with a few different issues, including possible infections and benign growths.

Firstly, the black spots you noticed after cutting your toenail too short could be a result of bleeding under the nail, known as a subungual hematoma. This occurs when blood collects between the nail and the nail bed, often due to trauma. If the area is healing and the black spots are not accompanied by pain, swelling, or discharge, it may simply be a part of the healing process. However, if you notice any signs of infection, such as increased redness, warmth, or pus, it would be wise to consult a healthcare professional.

Regarding the circular bumps you mentioned near your fingernails, these could be a variety of things. One possibility is a common benign condition known as a "mucous cyst," which often appears near the joints or nail beds. These cysts are typically painless and can sometimes resolve on their own. Another possibility could be a wart, which is caused by a viral infection and can appear as small, raised bumps. Warts can be treated with over-the-counter remedies or by a healthcare provider if they become bothersome.

The arrangement of the bumps in a triangular pattern is interesting and could suggest a specific type of growth or condition, but without a physical examination, it is difficult to provide a definitive diagnosis. It’s important to monitor these growths for any changes in size, color, or symptoms. If they persist or cause concern, a visit to a dermatologist would be advisable for a thorough evaluation.

As for the relationship between these growths and your daily habits, certain factors can contribute to skin and nail issues. For instance, frequent trauma to the nails (from activities like nail clipping or sports) can lead to complications. Additionally, poor nail hygiene or exposure to irritants can exacerbate skin conditions. Maintaining good nail care practices, such as keeping nails trimmed and clean, can help prevent further issues.

In terms of treatment, if the growths are benign and not causing any discomfort, they may not require any intervention. However, if they are bothersome or if you are concerned about their appearance, treatment options may include:
1. Observation: If the growths are not causing any pain or discomfort, simply monitoring them may be sufficient.


2. Topical Treatments: For warts or other viral infections, over-the-counter treatments containing salicylic acid can be effective.

3. Cryotherapy: This is a procedure performed by a healthcare provider where the growth is frozen off.

4. Surgical Removal: If the growths are persistent or bothersome, a healthcare provider may recommend surgical removal.

5. Antibiotics: If there is a sign of infection, such as redness or pus, a healthcare provider may prescribe antibiotics.

In conclusion, while some of the symptoms you describe may be benign, it is always best to consult with a healthcare professional for an accurate diagnosis and appropriate treatment. They can provide personalized advice based on a thorough examination and your medical history. Remember, early intervention can often lead to better outcomes, so don't hesitate to seek help if you're concerned about your symptoms.

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