Abstract:
:A case of tophaceous pseudogout (i.e., calcium pyrophosphate dihydrate (CPPD) crystal deposition disease) in the temporomandibular joint (TMJ), extending to the base of the skull, is reported. A 38-year-old man was referred to the hospital with mild pain in the right chin and tip of the tongue. Panoramic radiography showed a large calcified mass around the right TMJ. Computed tomography imaging revealed a large, granular, calcified mass surrounding the right condylar head and extending to the base of the skull. The mass was clinically and radiographically suspected to be a pseudogout lesion. A biopsy specimen was collected under general anaesthesia to confirm the diagnosis. On histology, the mass was found to contain deposits of numerous rod-shaped and rhomboid crystals, which suggested tophaceous pseudogout. The deposits were identified as CPPD crystal deposition, based on analysis by X-ray diffraction and Fourier transform infrared spectroscopy. These two crystallography methods were useful in confirming the diagnosis of CPPD crystal deposition disease in the TMJ.
journal_name
Int J Oral Maxillofac Surgjournal_title
International journal of oral and maxillofacial surgeryauthors
Kudoh K,Kudoh T,Tsuru K,Miyamoto Ydoi
10.1016/j.ijom.2016.08.018subject
Has Abstractpub_date
2017-03-01 00:00:00pages
355-359issue
3eissn
0901-5027issn
1399-0020pii
S0901-5027(16)30194-1journal_volume
46pub_type
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journal_title:International journal of oral and maxillofacial surgery
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journal_title:International journal of oral and maxillofacial surgery
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