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Figure 2 | Arthritis Research & Therapy

Figure 2

From: Correlation of histopathological findings and magnetic resonance imaging in the spine of patients with ankylosing spondylitis

Figure 2

Positive correlation of bone marrow edema in histopathological assessment and magnetic resonance imaging. (a) Magnetic resonance imaging (T2 sequence) of a zygapophyseal joint with bone marrow edema (cyan arrow) (asterisk, vertebral body; open square, epidural space; plus signs, superior and inferior articular processes of the zygapophyseal joint; hash sign, processus spinosus). (b) Hematoxylin and eosin staining, revealing dense infiltrations of mononuclear cells (yellow arrow) and interstitial bone marrow edema (red arrow). (c) Immunohistochemical analysis of CD3+ T cells, revealing mononuclear cell aggregates in the same zygapophyseal joint (yellow arrow).

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Arthritis Research & Therapy

ISSN: 1478-6362

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