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单词 sequestrum
释义

Definition of sequestrum in English:

sequestrum

nounPlural sequestra sɪˈkwɛstrəmsəˈkwestrəm
Medicine
  • A piece of dead bone tissue formed within a diseased or injured bone, typically in chronic osteomyelitis.

    〔医〕死骨(片)

    Example sentencesExamples
    • 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.
    • Two of these patients underwent drilling of the lesions, one underwent internal fixation, and one had a loose body of the osteochondritis sequestrum removed.

Derivatives

  • sequestral

  • adjective
    Medicine
    • The mechanisms of secondary sequestral formation are somewhat different.
      Example sentencesExamples
      • 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

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

Origin

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

Definition of sequestrum in US English:

sequestrum

nounsəˈkwestrəm
Medicine
  • A piece of dead bone tissue occurring within a diseased or injured bone, typically in chronic osteomyelitis.

    〔医〕死骨(片)

    Example sentencesExamples
    • 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.
    • Two of these patients underwent drilling of the lesions, one underwent internal fixation, and one had a loose body of the osteochondritis sequestrum removed.
    • The radiographs may reveal osteolysis, periosteal reaction and sequestra.

Origin

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

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更新时间:2025/7/18 3:00:03