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Collagenous fibroma (desmoplastic fibroblastoma): a new case originating in the palate

Department of Oral Surgery, Saitama Medical Center, Saitama Medical School, Kawagoe, Japan

*Correspondence to: Dr Fumio Ide, Department of Oral Surgery, Saitama Medical Center, Saitama Medical School, 1981 Kamoda, Kawagoe, Saitama 350-8550, Japan; E-mail: horien{at}saitama-med.ac.jp

Received 4 October 2004; revised 24 December 2004; accepted 1 January 2005

A 49-year-old woman presented with a painless slowly growing but huge polypoid palatal mass. On magnetic resonance imaging (MRI), areas of low signal intensity were consistent with a fibrous tumour. T₁ and T₂ weighted MRI after Gd-DTPA administration highlighted a well-circumscribed, purely soft tissue process. Histological analysis of the operative specimen detected collagenous fibroma (desmoplastic fibroblastoma). The patient remains disease-free 4 years after excision.

Keywords: collagenous fibroma; desmoplastic fibroblastoma; magnetic resonance imaging; palate