JBJS case connector · 2016
Atypical Tumoral Presentation of Calcium Pyrophosphate Deposition Disease: A Case Report.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Krochak Ryan, Culbertson Maya Deza, Vigorita Vincent, Goodman Howard
Аннотация
CASE: A 55-year-old man presented with a history of forefoot pain and swelling. Radiographs revealed a mass with internal calcifications and osseous erosion of the fifth metatarsophalangeal bone. The mass was isointense to muscle on T1-weighted magnetic resonance imaging (MRI) and hyperintense on T2-weighted MRI. A biopsy was performed, and intraoperatively, the lesion appeared as chalky white material, which under polarized light microscopy was composed of weakly positively birefringent rhomboid crystals, leading to a diagnosis of tophaceous pseudogout.
CONCLUSION: Tophaceus pseudogout should be included in the differential diagnosis of neoplastic-appearing lesions in the foot, and polarized light microscopy should be used when examining biopsy specimens.
CONCLUSION: Tophaceus pseudogout should be included in the differential diagnosis of neoplastic-appearing lesions in the foot, and polarized light microscopy should be used when examining biopsy specimens.