Ligamentum flavum ostosis can present with compressive myelopathy requiring laminectomy.
Ashish Chakravarty, Saurabh Anand, Harsh Sapra, Yatin Mehta 2014, 'Undetected hypoparathyroidism: An unusual cause of perioperative morbidity', Indian Journal of Anaesthesiahttp://www.ijaweb.org/article.asp?issn=0019-5049;year=2014;volume=58;issue=4;spage=470;epage=472;aulast=Chakravarty. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Hypoparathyroidism, an important cause of hypocalcaemia, often presents as soft tissue calcification (ostosis).
Ashish Chakravarty, Saurabh Anand, Harsh Sapra, Yatin Mehta 2014, 'Undetected hypoparathyroidism: An unusual cause of perioperative morbidity', Indian Journal of Anaesthesiahttp://www.ijaweb.org/article.asp?issn=0019-5049;year=2014;volume=58;issue=4;spage=470;epage=472;aulast=Chakravarty. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)