Abstract
In this article, we present our experience with a piezoelectric-assisted surgical device by resection of a benign fibrous histiocytoma of the mandible.A 41 year-old male was admitted to our hospital because of slowly progressive right buccal swelling. After further radiographic diagnosis surgical removal of the yellowish-white mass was performed. Histologic analysis showed proliferating histiocytic cells with foamy, granular cytoplasm and no signs of malignancy. The tumor was positive for CD68 and vimentin in immunohistochemical staining. Therefore the tumor was diagnosed as primary benign fibrous histiocytoma. This work provides a new treatment device for benign mandibular tumour disease. By using a novel piezoelectric-assisted cutting device, protection of the dentoalveolar nerve could be achieved.
Highlights
According to the WHO histological classification of tumors, primary benign fibrous histiocytoma (BFH) of bone is defined as a benign lesion composed of spindleshaped fibroblasts, arranged in a storiform pattern, with a variable admixture of small, multinucleated osteoclastlike giant cells
The prognosis of BFH seems to be excellent after complete removal
Piezosurgery® vibrates with a modulated ultrasonic frequency
Summary
According to the WHO histological classification of tumors, primary benign fibrous histiocytoma (BFH) of bone is defined as a benign lesion composed of spindleshaped fibroblasts, arranged in a storiform pattern, with a variable admixture of small, multinucleated osteoclastlike giant cells. Foamy cells (xanthoma), chronic inflammatory cells, stromal haemorrhages and haemosiderin pigment are commonly present [1]. According to this classification, there are less than 100 reported cases of BFH worldwide and only six reported cases in the mandible [2,3,4,5,6,7]. There are less than 100 reported cases of BFH worldwide and only six reported cases in the mandible [2,3,4,5,6,7] It is usually found in long bones, especially femur and tibia, and the pelvic bone, but may occur in virtually any bone.
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