CT and MR imaging of desmoplastic fibroblastoma.

Shuto, Rieko; Kiyosue, Hiro; Hori, Yuko; Miyake, Hidetoshi; Kawano, Katsunori; Mori, Hiromu · Eur Radiol · 2002

case_report · Level V

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Abstract

Desmoplastic fibroblastoma (collagenous fibroma) developing as a slowly enlarging lower abdominal mass is described. The lesion had inhomogeneous low signal intensity (SI) on T1-weighted images, and mixed SI as low SI within high SI on T2-weighted images. On post-contrast T1-weighted images, the mass showed inhomogeneous enhancement. Histologically, the areas showing low SI on both post-contrast T1- and T2-weighted images consisted of dense collagenous components and reduced cellularity compared with the areas showing high SI on them.

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