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Case Studies | Pathology | India | Volume 6 Issue 4, April 2017

Spiradenocylindroma with Trichoepithelioma ? A Collision Tumor with Multiple Differentiation

R. Lavanya ^[5] | S. K. Sridevi ^[2] | P. Viswanathan ^[3] | P. V. S.Prasad

Abstract: Spiradenoma & cylindroma are relatively uncommon sweat gland tumors. These lesions along with trichoepithelioma can co-exist and this gives support to the theory that they are part of the same spectrum and have a similar derivation. They can occur as separate lesions or within a single tumor mass as collision tumors. Here we report a case of a 67 year old female who presented with multiple papulonodular lesions over the nose for 10 years, which was clinically suspected to be an adnexal tumor. Biopsy of two different lesions revealed a spiradenocylindroma & trichoepithelioma.

Keywords: Benign adnexal gland tumors, collision tumor, eccrine and apocrine differentiation, Spiradenocylindroma, Trichoepithelioma

Edition: Volume 6 Issue 4, April 2017,

Pages: 1580 - 1586

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