Extraarticular paravertebral diffuse-type giant cell tumor

Skeletal Radiology
Naoko MasuzawaMinoru Houshimaru

Abstract

A diffuse-type giant cell tumor (DGCT) of the paravertebral region is a rare condition characterized by an ill-demarcated mass with facet joint involvement. We describe a case of extra-articular DGCT of the paravertebral cervical region without association to the facet joint. A 51-year-old male presented with a headache. Diagnostic imaging showed a dumbbell-shaped mass with enlargement of the right intervertebral foramen between C6 and C7. The tumor was completely resected in multiple fragments with the suspicion that it was a schwannoma. Histologically the tumor consisted chiefly of mononuclear histiocytoid cells, foamy macrophages and multinucleated giant cells, which led to a diagnosis of DGCT. The case alerts one to be aware that DGCT may originate from a paravertebral location as a soft-tissue mass without facet joint involvement.

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Citations

Sep 17, 2008·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Mark D MurpheyEric A Walker
Feb 16, 2013·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Hideki YamashitaRyota Teshima
Jul 27, 2015·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Jin Mo ChoKyu Sung Lee

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