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CT and MR imaging of desmoplastic fibroblastoma
Rieko Shuto1, Hiro Kiyosue, Yuko Hori
1Department of Radiology, Oita Medical University, Hasama-machi, Oita 879-5593, Japan. shutor@oita-med.ac.jp
European Radiology
|September 25, 2002
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.