Definition of sequestrum in English:

Share this entry


Pronunciation: /sɪˈkwɛstrəm/

noun (plural sequestra /sɪˈkwɛstrə/)

A piece of dead bone tissue formed within a diseased or injured bone, typically in chronic osteomyelitis.
Example sentences
  • Although bone sequestra and abscess are treated surgically, further extension of the operation may be counterproductive because it may expose healthy bone to the infection.
  • Despite 77 courses of antibiotics, these 12 patients required an additional 17 surgical debridements to rid the pelvis of the bone sequestrum.
  • The radiographs may reveal osteolysis, periosteal reaction and sequestra.



Example sentences
  • The mechanisms of secondary sequestral formation are somewhat different.
  • In internal necrosis the separation of dead bone from living proceeds in the manner already described, and the sequestrum is contained within the sequestral capsule.


Pronunciation: /ˌsiːkwɪˈstrektəmi/
noun (plural sequestrectomies)
Example sentences
  • The foul smelling discharge responded only temporarily to antibiotics, and she required surgical debridement and sequestrectomy to remove the infected bone.
  • Today, sequestrectomy has been suggested as a modification to microdiscectomy.
  • Four days later she suffered from recurrent pain, and neuroimaging studies revealed an epidural gas formation at the site of the sequestrectomy.


Mid 19th century: modern Latin, neuter of Latin sequester 'standing apart'.

For editors and proofreaders

Line breaks: se¦ques|trum

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.