sequestrum


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Related to sequestrum: involucrum

se·ques·trum

 (sĭ-kwĕs′trəm)
n. pl. se·ques·tra (-trə)
A fragment of dead bone separated from healthy bone as a result of injury or disease.

[Latin, deposit, from neuter of sequester, depositary, trustee; see sekw- in Indo-European roots.]

sequestrum

(sɪˈkwɛstrəm)
n, pl -tra (-trə)
(Pathology) pathol a detached piece of necrotic bone that often migrates to a wound, abscess, etc. See sequester
[C19: from New Latin, from Latin: something deposited;]
seˈquestral adj
Translations

se·ques·trum

n. sequestrum, secuestro, fragmento de un hueso necrosado que se separa de un hueso sano adyacente.
References in periodicals archive ?
A bone sequestrum is a differential diagnosis, yet this lesion lacked calcification in CT.
(3) Tomographic findings may show well-defined, irregular lytic lesions ranging from two to five cm in diameter, sometimes showing bone sequestrum, also suggesting dura mater involvement in half of them.
All patients met the following inclusion criteria: repeated episodes of acute attack after open fractures; pus or small bone fragments from the sinus discharge, and sometimes visible sequestrum exposed through skin defect, rough bone surface detectable with sinus probe; irregular bone thickening; X-ray and CT confirmation of the continuity interrupted fracture consolidation of the affected area; confirmation of the existence of infection by bacteriological cultures.
(12) All ESF devices have potential complications, including pin loosening and migration, reaction to the fixation devices, and development of osteomyelitis or sequestrum. (13)
Computed tomography evaluation of the degree of bone destruction, spread to soft tissue, and formation of sequestrum is useful (10).
aureus (52/52A/80) infection showed signs consistent with bone infection, characterised by cortical bone destruction with circumferential periosteal reaction, reactive endosteal new bone, and sequestrum formation.
In cats, the combination of prominent eyes and decreased corneal sensitivity may make these animals more susceptible to chronic keratitis, corneal ulceration and corneal sequestrum (BLOCKER & VAN DER WOERT, 2001).
Slices of the same osseous plane were evaluated based on the following parameters of infection in accordance with Petty and coworkers (32): 1) abscess formation, 2) sequestrum formation, 3) cortical enlargement, 4) cortical destruction, 5) general impression.
Ill Collapse###++###Broken Contour of Head Certain Sequestrum, Joint
Repeated CT scan of the temporal bones and temporomandibular joint (TMJ) revealed a bony sequestrum and defect in the anterior middle ear cavity and external auditory canal walls (Figure 2(a)).
The spontaneous detachment of sequestrum has not been observed in SOH but occurs often in BRONJ [8].