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Case Reports
. 2005 Jun;47(6):406-10.
doi: 10.1007/s00234-004-1328-6. Epub 2005 May 12.

Magnetic resonance imaging findings of proliferating trichilemmal tumor

Kazuhiro Kitajima  1 , Kazufumi Imanaka, Kimio Hashimoto, Masahiko Hayashi, Yoichiro Kuwata, Kazuro Sugimura
Affiliations
Case Reports

Magnetic resonance imaging findings of proliferating trichilemmal tumor

Kazuhiro Kitajima et al. Neuroradiology. 2005 Jun.

Abstract

We report the magnetic resonance (MR) imaging findings of proliferative trichilemmal tumor (PTT), a rare benign tumor of the scalp. MR imaging showed a well-margined mass with isointense signal on T(1)-weighted images and heterogeneous mixed intensity signal on T(2)-weighted images After i.v. administration of contrast material, the mass showed significant enhancement, with small portions remaining unenhanced. It was considered that these findings reflected the pathological characteristics of PTT, which consists of solid lobules and cystic cavities.

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