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" Question I have noticed for quite a while now that on my left breast &amp;amp;#8211; almost surrounding a vein &amp;amp;#8211; there are a number of white patches of skin which appear as if they have been blanched.  These areas show up more when I am hot and they appear to be growing in number and size. What might these be caused by? I cannot feel any lumps in my breast when I examine myself.    Answer From your description it is very likely that you have a common chronic, non-inflammatory and usually symptomless disorder known as pityriasis versicolor.  It is caused by a yeast-like fungus called pityrosporon orbiculare.  It can be treated with an anti-fungal cream and I would recommend that you see your doctor to have a diagnosis made so that treatment can be started as soon as possible.  It&amp;#039;s important to remember that the fungus is easy to eradicate but it can take weeks or months for the skin to regain its normal colour. Yours sincerely The NetDoctor Medical Team   Other Qs &amp;amp; As What are Campbell de Morgan spots? What are golden worms? What are the blisters at the base of my spine? What are the spots on my daughter&amp;#039;s back? What can I do about sore nipples when running? What is a haemangioma? What is a rodent ulcer? What is an epithelioma of Malherbe? What is erythema nodosum? What is Jessner&amp;#039;s lymphocytic infiltrate? What is lichen planus? What is this strange lump on my back? What is Vandenburg&amp;#039;s syndrome? What treatment is there for broken veins?   Last updated 16.03.2014 "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.netdoctor.co.uk/ask-the-expert/skin-and-hair/a3169/what-are-these-white-patches-on-my-breast/>