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Computed tomographic contrast tenography aids pre‐operative diagnosis in clinical conditions of the digital flexor tendon sheath.

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Bibliographic Details
Title: Computed tomographic contrast tenography aids pre‐operative diagnosis in clinical conditions of the digital flexor tendon sheath.
Authors: Shanklin, Alexander J.1 (AUTHOR), Baldwin, Christopher M.1 (AUTHOR), Ellesmere, Leah1 (AUTHOR), Stack, John D.1 (AUTHOR) j.d.stack@liverpool.ac.uk
Source: Equine Veterinary Education. Apr2024, Vol. 36 Issue 4, p197-205. 9p.
Subject Terms: Diagnostic ultrasonic imaging, Flexor tendons, Computed tomography, Clinical pathology, Ultrasonic imaging, Tendon injuries
Abstract: Summary: Common pathology within the digital flexor tendon sheath (DFTS) includes tearing of the manica flexoria, marginal longitudinal lesions of the deep digital flexor tendon and fetlock canal constriction. These are a frequent cause of lameness in cob‐type breeds where skin thickness can make obtaining diagnostic ultrasound images difficult. Radiographic contrast tenography in the standing patient can be used to identify pathology but provides limited information on the exact lesion configuration. This report describes the use of computed tomographic contrast tenography under general anaesthesia to identify and detail the configuration of intrathecal DFTS pathology in four clinical cases (six limbs) subsequently assessed with DFTS tenoscopy. Computed tomography findings altered surgical planning in two cases, and in all cases computed tomography findings were confirmed by tenoscopy. Computed tomographic contrast tenography correctly predicted all lesions observed during tenoscopy: manica flexoria pathology including laterality (4/4 torn and 2/2 intact), fetlock canal constriction (3/3 limbs), deep digital flexor tendon injury (1/1) and intrathecal adhesions (5/5 limbs). Computed tomographic contrast tenography was a useful pre‐operative imaging modality which aided surgical planning. The technique may be applicable for use in standing computed tomography systems where it would provide the diagnostic benefits listed without the associated risk of prolonging anaesthesia. [ABSTRACT FROM AUTHOR]
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Database: Education Research Complete
Description
Abstract:Summary: Common pathology within the digital flexor tendon sheath (DFTS) includes tearing of the manica flexoria, marginal longitudinal lesions of the deep digital flexor tendon and fetlock canal constriction. These are a frequent cause of lameness in cob‐type breeds where skin thickness can make obtaining diagnostic ultrasound images difficult. Radiographic contrast tenography in the standing patient can be used to identify pathology but provides limited information on the exact lesion configuration. This report describes the use of computed tomographic contrast tenography under general anaesthesia to identify and detail the configuration of intrathecal DFTS pathology in four clinical cases (six limbs) subsequently assessed with DFTS tenoscopy. Computed tomography findings altered surgical planning in two cases, and in all cases computed tomography findings were confirmed by tenoscopy. Computed tomographic contrast tenography correctly predicted all lesions observed during tenoscopy: manica flexoria pathology including laterality (4/4 torn and 2/2 intact), fetlock canal constriction (3/3 limbs), deep digital flexor tendon injury (1/1) and intrathecal adhesions (5/5 limbs). Computed tomographic contrast tenography was a useful pre‐operative imaging modality which aided surgical planning. The technique may be applicable for use in standing computed tomography systems where it would provide the diagnostic benefits listed without the associated risk of prolonging anaesthesia. [ABSTRACT FROM AUTHOR]
ISSN:09577734
DOI:10.1111/eve.13928