Tuesday, March 13, 2012


Syringomas are common, usually multiple benign neoplasms, which are formed from eccrine sweat ducts.  They can be generalized, but commonly are limited to the periorbital area.  They are skin colored or slightly yellow, and they are almost always asymptomatic, although I once had a patient who complained of itching and burning on perspiration.  

If they present classically, they are pretty easy to diagnose, but they can be confused with other benign adnexal tumors (BATs- which are tumors of the adnexal elements of the skin, such as hair follicle tumors, other sweat gland tumors, nerve and blood vessel tumors, etc.) as well as basal cell carcinoma and microcystic adnexal carcinoma, which is a sweat duct cancer that is highly infiltrative.  

The rule is this: if it is a solitary tumor, even if it looks like a syringoma, biopsy it.  

The difference between "us" and "them":  I showed my wife this picture and said "Hey, look!  It's syringomas!"  Her reply; 'Oh my my God, that's disgusting!"

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