Acrospiroma (sometimes alternatively described as poroma) is a term used to refer to a benign adnexal tumor of the apical sweat gland (akral `peripheral` + spiroma `epithelial tumor of sweat gland`). Some authoritative sources use this term as a synonym for poroma, and others use it as a broader designation that includes poroma and hidradenoma... Found on http://en.wikipedia.org/wiki/Acrospiroma
<tumour> A tumour of the distal dermal segment of a sweat gland. ... Origin: scro-+ G. Speira, coil, + -oma, tumour ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973