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sequestrum

Syllabification: se·ques·trum
Pronunciation: /siˈkwestrəm
 
/

Definition of sequestrum in English:

noun (plural sequestra /-trə/)

Medicine
A piece of dead bone tissue occurring 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.

Origin

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

Derivatives

sequestral

1
adjective
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.

sequestrectomy

2
Pronunciation: /ˌsēkweˈstrektəmē/
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.

Definition of sequestrum in:

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