Fig. 7From: Management of temporomandibular joint diseases: a rare case report of coexisting calcium pyrophosphate crystal deposition and synovial chondromatosisHistopathological examination of TMJ soft tissue obtained by surgical biopsy. A Hematoxylin and eosin staining section showing that the tumor-like mass was formed by aggregates of basophilic crystal deposits surrounded by a giant cell reaction (white arrow). B Hematoxylin and eosin staining show deposits of rhomboid-shaped crystalline material (white arrow). C Polarized microscopy shows positively birefringent rhomboid-shaped crystals (white arrow)Back to article page