An unusual case of a solitary fibrous tumor showing dense collagenisation mimicking osteoid & aberrant SATB2 positivity: A diagnostic pitfall


Case Report

Author Details : Angad Singh*, Debdeep Dey

Volume : 8, Issue : 1, Year : 2021

Article Page : 170-172

https://doi.org/10.18231/j.ijpo.2021.033



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Abstract

Solitary fibrous tumour (SFT) is a mesenchymal fibroblastic neoplasm which is characterized by varying degrees of stromal collagenization including keloidal type collagen in extreme cases. It often shows hemangiopericytoma like architecture and is composed of bland spindled cells in a variably collagenized stroma. SFT shows diffuse strong STAT-6 immunohistochemical expression. We describe a case of an SFT in the palate which showed areas of hyalinization and dense collagen deposition mimicking osteoid along with SATB2 IHC positivity which can be a diagnostic pitfall.

Keywords: Solitary fibrous tumor, SATB- 2, STAT- 6.


How to cite : Singh A , Dey D , An unusual case of a solitary fibrous tumor showing dense collagenisation mimicking osteoid & aberrant SATB2 positivity: A diagnostic pitfall. Indian J Pathol Oncol 2021;8(1):170-172


Copyright © 2021 by author(s) and Indian J Pathol Oncol. This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License (creativecommons.org)



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https://doi.org/10.18231/j.ijpo.2021.033


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