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Fig. 4 | BMC Musculoskeletal Disorders

Fig. 4

From: Cervical myelopathy due to subaxial calcium pyrophosphate dihydrate (CPPD) deposition with simultaneous asymptomatic crowned dens syndrome: two case reports

Fig. 4

Microscopic evaluation (× 100, a; × 400, b) of the surgical specimen demonstrated degenerated ligamentum flavum with dark blue calcifications representing chondrocalcinosis. Microscopic evaluation (× 100, c; × 400, d) of the surgical specimen under polarized light showed rhomboid crystals that were positively birefringent in blue calcification area

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