Calcium oxalate crystals as a cause of multiple punctate echogenic foci in benign thyroid lesions.
Ayana SuzukiMitsuyoshi HirokawaIzumi OtsukaAkira MiyauchiTakashi AkamizuPublished in: Journal of medical ultrasonics (2001) (2024)
Appearance of MPEF in GDs and FNDs is not because of psammoma bodies; it is attributable to CaOx crystals larger than 100 μm. Therefore, MPEF is not an indicator of malignancy.
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