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Calcific Periarthritis: More Than a Shoulder Problem by Larisa M. Lehmer, and Bruce D. Ragsdale J Bone Joint Surg Am Volume 94(21):e157 November 7, 2012 ©2012 by The Journal of Bone and Joint Surgery, Inc.
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A cloud-like radiodensity (arrow on Case 3 radiograph) is adjacent to the interphalangeal joints on pre-biopsy radiographs of three patients (Cases 3, 7, and 8), with lucent indications of underlying bone erosion (demonstrated by a narrow zone of lucency un... Larisa M. Lehmer, and Bruce D. Ragsdale J Bone Joint Surg Am 2012;94:e157 ©2012 by The Journal of Bone and Joint Surgery, Inc.
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Subtle (upper right) and conspicuous (low center) psammoma-like concentrically layered particles (hematoxylin and eosin stain; original magnification, ×400). Larisa M. Lehmer, and Bruce D. Ragsdale J Bone Joint Surg Am 2012;94:e157 ©2012 by The Journal of Bone and Joint Surgery, Inc.
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Case 10. Larisa M. Lehmer, and Bruce D. Ragsdale J Bone Joint Surg Am 2012;94:e157 ©2012 by The Journal of Bone and Joint Surgery, Inc.
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Calcific periarthritis manifests as small, rounded, previously mineralized (prior to histologic decalcification) granules collected within a fibrous pseudocapsule and thus is not gout. Larisa M. Lehmer, and Bruce D. Ragsdale J Bone Joint Surg Am 2012;94:e157 ©2012 by The Journal of Bone and Joint Surgery, Inc.
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