Hello doctor,I have a lump under my skin on my arm, and it is slight my raised. It is not painful, and it is 5 mm in diameter. It has got a dark center that looks like a bruise. It has not grown in size either. What could it be?
Hello. I understand your concern, but there are no attached photographs in your message. Kindly send a picture of the affected area to help you better. I need to see the affected area to assess the condition and to suggest the appropriate diagnosis and treatment. Please send the picture of the affected area. 