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Figure 5 | Pediatric Rheumatology

Figure 5

From: Enthesitis as a component of dactylitis in psoriatic juvenile idiopathic arthritis: histology of an established clinical entity

Figure 5

Characterization of cellular inflammation. Hypervascular tenosynovium showing perivascular inflammation consisting predominantly of T cells (finger; A, hematoxylin and eosin; B, CD3 immunostain; original magnification, 400×). In areas where myxoid matrix expands fibrovascular tissue containing densely collagenized tendon-like fibers, mast cells are regularly interspersed (finger; C, hematoxylin and eosin; D, CD117 immunostain; original magnification, 400×).

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