Bilateral non-traumatic acetabular and femoral neck fractures due to pregnancy-associated osteoporosis
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- Aynaci, O., Kerimoglu, S., Ozturk, C. et al. Arch Orthop Trauma Surg (2008) 128: 313. doi:10.1007/s00402-007-0439-z
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Pregnancy-associated osteoporosis is a rare disorder and its pathophysiology remains unknown. We report a case of pregnancy-associated osteoporosis in a 27-year-old primiparous patient who revealed bilateral hip pain during early postnatal period. The plain radiographs and computarized tomography showed bilateral femoral neck and asetabular fractures. The diagnosis of osteoporosis was established by bone mineral density. Diagnostic work-up excluded a secondary osteoporosis. The case was treated successfully by bilateral cementless total hip arthroplasty. Bone mineral density increased after 2 years of treatment with calcium–vitamin D, calcitriol and alendronate. Diagnosis of pregnancy-associated osteoporosis should be suspected when hip pain occurs during pregnancy or in the post-partum period as it can lead to acetabular and femoral neck fractures.