Osteitis fibrosis cystica
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on rare occasions, hyperparathyroidism may be associated with what looks like a single bone lesion
when a radiologist sees this, he thinks it looks like a bone neoplasm, a giant cell tumor of bone
but ask about patient’s serum Ca and alkaline phosphatase and you realize that it’s not a neoplasm because both are high
this is sometimes referred to as a “brown tumor” of the bone: hemorrhage, hemosiderin deposits in the area of fibrous stroma make the bone look brown
distal clavicle, distal phalanges, lamina dura of tooth
Category: Pathology Notes
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