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 ?
Although commonly successful in dogs, this therapy is contraindicated in cats, where it frequently causes corneal sequestrum.
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
Physical and ophthalmic examination like schirmer tear test, fluorescein dye test and slit lamp biomicroscopy revealed chronic keratitis and corneal sequestrum.
The bullet was removed, the abscess drained, the bony sequestrum removed and the bone curetted during surgery.
Radiographic imaging findings associated with Ficat-Arlet stages of osteonecrosis of the hip Stage Radiographic Findings 0 Preclinical Normal or near-normal I Preradiographic Normal or near-normal II Prior to head collapse * Trabecular pattern changes or sequestrum * Sclerosis, decalcification, formation or a mix of both III Collapse * Crescent sign and broken contour of the femoral head * Sequestrum * Normal or increased joint space due to collapse IV Degenerative * Flattened contour of femoral head * Decreased joint space * Acetabular osteophytes
Surgical debridement and removal of sequestrum, if present is essential before starting antibiotic and antifungal therapy.
A sequestrum or involucrum will only be seen in 10% of cases.
In July 2012 (11 months after the accident), because of fistula persistence, the patient underwent ablation of a tibial sequestrum (Figure) and implantation of a temporary cement spacer containing gentamicin and vancomycin.
9 The definitive treatment of chronic osteo- myelitis with diabetes depends on adequate surgical debridement and removal of sequestrum.