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In this section we have spot diagnoses posted on a daily basis since June 2010, now over 4000! You can review the archived cases and read the suggested diagnoses by users and the final comment by the contributors.
Case are uploaded each week day by 10 am UK time with the correct diagnosis will generally be posted at 8 pm UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

Case Number : CASE 4278 - 14 June 2023 Posted By: Dr. Hafeez Diwan

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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55 year-old female with grayish discoloration of forehead. This is a biopsy of the right forehead.
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msofopoulos

msofopoulos 4

Posted

Could it be Acquired Dermal Melanocytosis? Is she of Asian origin?

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Dr. Hafeez Diwan

Dr. Hafeez Diwan 125

Posted

Sorry, I think the same case is also posted earlier. These were not melanocytes (SOX10 negative). The patient had a history of Bactrim use and this was considered to be drug induced pigmentation.

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msofopoulos
On 07/09/2023 at 18:01, Dr. Hafeez Diwan said:

Sorry, I think the same case is also posted earlier. These were not melanocytes (SOX10 negative). The patient had a history of Bactrim use and this was considered to be drug induced pigmentation.

thanks!

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