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    What causes dark brown line on the right big toe?

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Posted on Mon, 31 Jul 2017 in Skin Hair and Nails
Question: Hello
I have a dark brown line across the skin of my right big toe. No pain, been there about a month. Any thoughts on cause?
Thanks XXXXXXX
doctor
Answered by Dr. Kakkar S. 28 minutes later
Brief Answer:
Kindly upload an image

Detailed Answer:
Hello. Thank you for writing to us.

I am Dr. Kakkar (Dermatologist). I have gone through your query and I have noted your concern.

Sorry, I couldn't find any attached picture here.
I'd request you to kindly upload an image in "Reports Section" here so that I am able to guide you better.

Awaiting...

Regards


Above answer was peer-reviewed by : Dr. Arnab Banerjee
doctor
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Follow up: Dr. Kakkar S. 11 minutes later
Here are photos
doctor
Answered by Dr. Kakkar S. 10 hours later
Brief Answer:
Hyperpigmentation

Detailed Answer:
Thank you.

Seems to be like pigmentation due to trauma or friction from shoewear. I suggest you to use a moderately potent topical steroid cream e.g either mometasone furoate 0.1% cream or triamcinolone acetonide 0.1% cream, twice daily for a few days.

Regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Kakkar S. 2 hours later
Thanks Doc. So not acanthosis nigricans related to diabetes?

Regards,
XXXXXXX
doctor
Answered by Dr. Kakkar S. 5 hours later
Brief Answer:
Not Acanthosis Nigricans

Detailed Answer:
Hi.

Does not look exactly like acanthosis nigricans(AN). Acanthosis has a thickened, velvetty texture of skin.
Moreover, AN due to insulin resistance would typically also involve other classic body sites as well e.g neck, axilla, elbows, knuckles etc.

Regards
Brief Answer:
You are welcome

Detailed Answer:
Thank you for writing to us

Regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Kakkar S. 11 minutes later
Thanks!
Answered by
Dr.
Dr. Kakkar S.

Dermatologist

Practicing since :2002

Answered : 8967 Questions

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