Diffuse-type tenosynovial giant cell tumour of the temporo-mandibular joint: an indication for alloplastic joint replacement

Diffuse-type tenosynovial giant cell tumour of the temporo-mandibular joint: an indication for alloplastic joint replacement

An-Sofie Vandeput1, MD; Michel Bila1, MD; Titiaan Dormaar1, MD; Anne-Marie Delsupehe2, MD; Constantinus Politis1, MD, PhD

1Department of Oral and Maxillofacial Surgery, University Hospital Leuven, Leuven, Belgium; 2Department of Pathology, University Hospital Leuven, Leuven, Belgium

A 25-year old female patient was referred to our department with a mass at the level of the right temporomandibular joint (TMJ). The patient experienced symptoms of paroxysmal pain of the TMJ and weight loss. Magnetic resonance imaging (MRI) revealed a tumour in the right masticatory space extending into the right TMJ, with invasion of the temporal bone. Surgical resection of the mass and total TMJ replacement surgery with a custom-made pros-thesis were performed. Final histological diagnosis of the resected specimen showed a dif-fuse-type tenosynovial giant cell tumour (D-TGCT). The multidisciplinary team’s decision was to give adjuvant radiotherapy; however, the patient declined further treatment. At 6 months follow-up, the patient had an excellent recovery with no signs of tumour recurrence on MRI. This is the first described case of D-TGCT treated with total TMJ replacement sur-gery using a custom-made alloplastic device.

Keywords: tenosynovial giant cell tumour; temporomandibular joint; alloplastic joint re-placement; prosthesis

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How to cite this article:

An-Sofie Vandeput; Michel Bila; Titiaan Dormaar; Anne-Marie Delsupehe; Constantinus Politis. Diffuse-type tenosynovial giant cell tumour of the temporo-mandibular joint: an indication for alloplastic joint replacement. International Journal of Case Reports, 2020 4:188. DOI: 10.28933/ijcr-2020-11-1206


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