We report a case of tophaceous pseudogout that occurred in the temporomandibular joint (TMJ) and presented with skull base destruction. The patient was a 73-year-old woman, who complained of an obstructed ear sensation in December 2021. The otolaryngological examination was unremarkeable, and a computed tomography scan revealed a calcified lesion in the left TMJ. Suspected of having osteochondroma, the patient was brought to our hospital. She was performed tumor resection as much as possible under general anesthesia revealed nodular pseudogout. The patient refused to undergo total resection due to the necessary craniotomy and the risk of postoperative complications. Instead, the patient decided to undergo following-up. One year and 4 months have passed since the biopsy operation, but there is no tendency to re-increase.
Keywords: Calcium pyrophosphate dehydrate deposition disease; Skull base destruction; Temporomandibular joint; Tophaceous pseudogout.
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