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Bilateral femoral neck fractures resulting from pregnancy‐associated osteoporosis showed bone marrow edema on magnetic resonance imaging
Author(s) -
Kasahara Kyoko,
Kita Nobuyuki,
Kawasaki Taku,
Morisaki Shinsuke,
Yomo Hiroko,
Murakami Takashi
Publication year - 2017
Publication title -
journal of obstetrics and gynaecology research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.597
H-Index - 50
eISSN - 1447-0756
pISSN - 1341-8076
DOI - 10.1111/jog.13313
Subject(s) - medicine , osteoporosis , magnetic resonance imaging , femoral neck , pregnancy , radiology , edema , surgery , biology , genetics
Femoral neck fractures resulting from pregnancy‐associated osteoporosis is a rare condition. Herein, we report an undoubted case of pregnancy‐associated osteoporosis in a 38‐year‐old primiparous patient with pre‐existing anorexia nervosa who suffered bilateral femoral neck fractures in the third trimester and early post‐partum period. Magnetic resonance imaging revealed femoral neck fractures as well as diffuse marrow edema involving both femoral heads, which are considered under ordinary circumstances as characteristic imaging findings of transient osteoporosis of the hip. Based on our experience, we propose that pregnancy‐associated osteoporosis might be present in femoral neck fractures attributed to transient osteoporosis of the hip in pregnancy. Conversely, bone status should be carefully and accurately estimated in cases of potential transient osteoporosis of the hip in pregnancy to reduce future fracture risk.