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A 28-year-old female asked:

lump on thyroid, biopsy said its epidemoid cyst. but no opening to it, its inside on my thyroid. what is its. ?

1 doctor answer3 doctors weighed in
Dr. Ed Friedlander
Pathology 44 years experience
What's the issue?: If someone told you that an epidermoid cyst must have an opening to the outside, that person is sadly mistaken. Epidermoid cysts are well-known to occur in the thyroid. They merely duplicate the normal epidermis of the skin. http://www.ncbi.nlm.nih.gov/pubmed/17230574

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Last updated Aug 4, 2014

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