Collapse-related bone changes at multidetector CT in ARCO 1–2 osteonecrotic femoral heads: correlation with clinical and MRI data

Mourad, Charbel; Libert, F.; Gangji, Valérie; Michoux, Nicolas; Berg, Bruno C. Vande

doi:10.1007/s00330-022-09128-0

Cited by 3 publications

(2 citation statements)

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“…Multidetector CT can detect cortical and trabecular fractures that may be occult on MRI, enables a better evaluation of joint space narrowing and better visualization of subtle bone remodeling of the femoral head and acetabula compared to radiographs. [36][37][38] The MR appearance of fractures in necrotic lesions is variable. Subchondral bone plate fractures appear as a frank and abrupt deformity of the epiphyseal contour.…”

Section: Magnetic Resonance Imaging Of Epiphyseal Collapsementioning

confidence: 99%

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The Many Faces of Marrow Necrosis

Mourad

Omoumi

Berg

2023

Semin Musculoskelet Radiol

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Depending on the age and location within the skeleton, bone marrow can be mostly fatty or hematopoietic, and both types can be affected by marrow necrosis. This review article highlights the magnetic resonance imaging findings of disorders in which marrow necrosis is the dominant feature.Fatty marrow necrosis is detected on T1-weighted images that show an early and specific finding: the reactive interface. Collapse is a frequent complication of epiphyseal necrosis and detected on fat-suppressed fluid-sensitive sequences or using conventional radiographs. Nonfatty marrow necrosis is less frequently diagnosed. It is poorly visible on T1-weighted images, and it is detected on fat-suppressed fluid-sensitive images or by the lack of enhancement after contrast injection.Pathologies historically “misnamed” as osteonecrosis but do not share the same histologic or imaging features of marrow necrosis are also highlighted.

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Section: Magnetic Resonance Imaging Of Epiphyseal Collapsementioning

confidence: 99%