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A disorder of defective chondrocyte differentiation and mineralization of the epiphyseal plate due to deficiency of calcium, phosphate, or vitamin D. Rickets can manifest clinically with features such as craniotabes, costrochondral junction enlargement, widening of the wrists and ankles, lower extremity bowing, and failure to thrive. This condition is diagnosed radiographically, and is characterized by growth plate widening as well as metaphyseal cupping and fraying.
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