Case Report of Osteopoikilosis: Sparse Cause of Bone Pain and Mimicker of Metastasis on Radiographs
Abstract
INTRODUCTION: Osteopoikilosis (OPK) is an extremely rare benign condition with autosomal dominant inheritance characterized by sclerosing bony dysplasia with multiple benign enostoses. It is characterized by symmetrically distributed numerous, small, well-defined, homogenous circular or ovoid radiodensities clustered in epiphysis and metaphysis of long bones in periarticular region, and in some cases diffusely present throughout axial and appendicular skeleton. There is no age and sex predilection; age at the time of diagnosis ranges from 15 to 60 years. It is usually asymptomatic but rarely in 15-20% patients slight juxta-articular pain and joint effusions can be seen. These are incidental radiological findings in most of the cases, also sometimes confused as bony metastasis. There are no specific clinical features; histological features are similar to bony island and it may be associated with connective tissue disorders, synovial osteochondromatosis, and a rare bone condition melorheostosis.
CASE REPORT: We present a case of OPK in a 32-year-old male with bilateral hip and shoulder pain, based on the available literature and focus on clinical significance, due to its mimicking capability of other more severe conditions such as bone metastases and an extremely uncommon cause of bone pain.
CONCLUSION: OPK is an uncommon hereditary condition involving juxta-articular region of long bones with intricate etiopathogenesis, often discovered incidentally on radiographs. It is…
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