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Fig. 3 | Journal of Medical Case Reports

Fig. 3

From: Osteolytic lesions (brown tumors) of primary hyperparathyroidism misdiagnosed as multifocal giant cell tumor of the distal ulna and radius: a case report

Fig. 3

a In the resected ulna, the lesion disrupted the cortex leading to periosteal reaction with woven bone trabeculae. b Multinucleated, osteoclast-type giant cells were scattered among mononuclear spindle cells lacking atypia or sarcomatoid features. c Giant cell clusters with surrounding prominent foci of hemorrhage and d curettings of the radius showing similar morphologic findings

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Journal of Medical Case Reports

ISSN: 1752-1947