Nevus, otherwise called a mole, is a common and harmless skin spot formed due to the collection of pigmented skin cells. They can be black, brown, tan, or pink in color. Some of the common types of nevi are congenital nevus, common nevus, blue nevus, halo nevus, Spitz nevus, and Reed nevus. If the color, shape, or size of the nevus changes suddenly, consult a doctor.

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I noticed a red lesion on the back of my head. What is the cause?

Query: Hello doctor, I noticed a lesion on the back of my head. It is flat, mostly red in color, and a bit darker red or brown on the edges. It does not itch, and I do not think that it is related to any allergies. What could this be?  Read Full »

Dr. Chaitra. P

Answer: Hi,Welcome to answer a few questions-1. Since how long is it been there? 2. Does it hurt when you comb your hair? 3. Has it bled anytime?Thank you.  Read Full »

Will scratching a mole affect the biopsy report?

Query: Hi doctor, Six weeks ago, I noticed a mole on my back. There was no itching or redness. But, I scratched it and went to the Urgent Care Clinic. The doctor said it looked like an irritated nevus. Then, during a shower it came off completely and left a flat area. Within a few weeks, it reappeared. Now...  Read Full »

Dr. Suvash Sahu

Answer: Hi, Welcome to I have read your query and concern. With your descriptions it seems that you have melanocytic nevus. Scratching or healing would not affect the outcome of the biopsy. In a biopsy for making a diagnosis of BCC (basal cell carcinoma) we need to see basaloid cell...  Read Full »

What is the tiny blood trapped lesion under the nose pad of my glasses?

Query: Hello doctor, I am 27 years old, and I wear power glasses for my vision. A couple of months after wearing my glasses, a tiny circle appeared on the left side of my nose where my glasses rest. It almost looks like a little bit of blood trapped underneath my skin. When I look at it, it seems pretty...  Read Full »

Dr. Dilip Kumar Meena

Answer: Hello, Welcome to I understand your concern. This is spider angioma. It is also known as spider nevus or spider telangiectasias. It manifests as a solitary lesion, and it is a benign and harmless entity. There is usually a central red dot, indicating a small ves...  Read Full »

Why do I have a faint line on my finger?

Query: Hello doctor, I have a faint line on my finger from past ten days. I am attaching a picture of the same. What is it?  Read Full »

Dr. Suvash Sahu

Answer: Hi, Welcome to I have read your concern and examined your picture (attachment removed to protect patient identity).  There is nothing to worry, it is a single nail melanonychia. Nothing actively needs to be done. For further queries consult a dermatologist online --> https://www.icl...  Read Full »

I have a lesion that changes color frequently. What to do?

Query: Hi doctor, I have attached a photo for your reference. Is this sign dangerous? It started almost 20 years ago to become dark and it became to be lighter around 5 years ago. Two days ago, again I have noticed this transformation with a white surface and that is healing now. It is around 4 mm. Please ...  Read Full »

Dr. Atishay Bukharia

Answer: Hi, Welcome back to Is there any complaint in it? How many such lesions are there? Revert back with the answers to the above questions to a dermatologist online -->  Read Full »

I notice a bump on the mole on my chin. Is this melanoma?

Query: Hi doctor, I am a 28-year-old female. I have always had a small, raised, symmetrical mole on the right side of my chin. It has always been very benign and had a hair growing out of it that I consistently plucked. About two weeks ago, I noticed a small, shiny whiteish bump on the mole and called my d...  Read Full »

Dr. Sushil Kakkar

Answer: Hello, Welcome to I have noted your concern and I have viewed the images (attachment removed to protect patient identity). It looks to be a pretty benign nevus to me. Well defined, uniform colored, small, rough to oval, and symmetrical. I think the nevus perhaps has an ingrown hair ...  Read Full »

Can a dark spot in a thigh be melanoma?

Query: Hello doctor, I found a very small dark spot on my thigh today. To the best of my recollection, I have never seen it before. Now, of course, I am thinking the worse and believe I have melanoma. I am olive-skinned. I have never had an issue with moles or dark spots before. My mom had a pre-cance...  Read Full »

Dr. Dhepe Snehal Laul

Answer: Hello, Welcome to I have seen the pictures (attachment removed to protect patient identity). No, it is not melanoma. It is a normal nevus (benign). For your confirmation, you can go for an excisional biopsy of the lesion. Histopathology reports will confirm that the lesion is benign...  Read Full »

Why do I have dark lesions on my thigh?

Query: Hi doctor, I have had first larger and dark lesion that is bump behind my left knee, since I do not know when, but it certainly not since birth. I noticed it before two to three year and from that time the lesion is the same and has no pain. Now, there is this another small lesion have appeared on t...  Read Full »

Dr. Jyotisterna Mittal

Answer: Hi, Welcome to The darker one is the lesion of lichen sclerosus chronicus. For this, you may apply Tenovate GN cream (combination of Clobetasol Propionate and Neomycin sulfate) over it twice daily for two weeks. The skin colored lesion may be an acquired nevus. A skin biopsy is require...  Read Full »

How are moles under the nails treated?

Query: Hello doctor, I have moles under the nails of each of my big toes. They appeared over the last months, but I do not remember exactly when. The one on my left toe is a round dot in addition to a diagonal line next to it and that goes to the right edge of my nail, while the one on my right toe is just...  Read Full »

Dr. Atishay Bukharia

Answer: Hi, Welcome to Is there any pain? Any change in placement noticed as the nail grows? Revert back with answers to the above questions to a dermatologist online -->  Read Full »

What could be the chance of a mole with no pain or itch turn malignant?

Query: Hi doctor, My son is 6 years old. He has one black mole on the left hand measuring about 5 mm in diameter with some elevated surface. It is from the last about one year and looking growing but can not sure about the growth. He has no complaint of itching and pain but when asked yesterday about this...  Read Full »

Dr. Subhash Kashyap

Answer: Hi, Welcome to I have seen the pictures. (attachment removed to protect patient identity). This is a mole in medical terms it is called melanocytic nevus. Majority of them are benign and go through growth cycle of inapparent to getting dark and with age slowly losing the color. But i...  Read Full »

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