JBJS JOPA Image Quiz: 74-Year-Old Woman with Knee Pain

jopa-image-quiz_9_26_16This month’s Image Quiz from the JBJS Journal of Orthopaedics for Physician Assistants (JOPA) presents the case of a 74-year-old woman with a 2-month history of left knee pain. She was given an intra-articular knee injection for presumed osteoarthritis, which failed to provide any relief. At a follow-up visit, clinicians obtained the MRI shown here.

Pick among five possible diagnoses: secondary osteonecrosis, transient osteoporosis, spontaneous osteonecrosis, osteochondritis dissecans, or bone marrow edema lesion.

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2 responses to “JBJS JOPA Image Quiz: 74-Year-Old Woman with Knee Pain”

  1. Kazuhiro says :

    spontaneous osteonecrosis

    Like

  2. mohamed Aly Abdel-AAl says :

    Spontaneous Oasteonecrosis

    Like

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