dysplastic cortical hyperostosis dysplastic cortical hyperostosis, Kozlowski-Tsuruta type https://www.malacards.org/card/dysplastic_cortical_hyperostosis_kozlowski_tsuruta_type MONDO:0100527 UMLS:C5780027 Orphanet:2204 GARD:0002022 An extremely rare primary bone dysplasia with increased bone density characterized by lethal neonatal dwarfism with hydrops, narrow chest and short limbs with extensive cortical thickening of all long bones, ribs, clavicles and scapulae, and coronal clefts in vertebral bodies. Kozlowski-Tsuruta syndrome MEDGEN:1830504