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Phosphoglyceride Crystal Deposition Disease of the Scapula: A Case Report and Literature Review
Yuki Hori1, Akihito Nagano1, Tatsuhiko Miyazaki2
1The Department of Orthopaedic Surgery, Gifu University School of Medicine, Gifu, Japan.
Case:
A 76-year-old woman presented with a 2-month history of right shoulder pain with no apparent cause. Radiography revealed an ill-defined osteolytic lesion in the right scapular spine with a pathological fracture. Malignant bone tumor was suspected, and a biopsy was performed. Pathological examination with gold hydroxamic acid staining revealed phosphoglyceride crystal deposition. Lesion curettage was performed, and her symptoms improved. No recurrence was observed at the 3-year postoperative follow-up.
Conclusion:
Phosphoglyceride crystal deposition in the bone is an extremely rare disease. The gold hydroxamic acid staining method might be useful for the diagnosis of this condition.
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