CT mijelografska dijagnostika torakolumbalnog segmenta kralježnice u psa

master's thesis

• Title (english): CT Myelography Diagnostic of the Thoracolumbal Spine in Dog
• Author: Katarina Lojen
• Mentor: Vladimir Butković (mentor)
• Committee member: Damir Stanin
• Committee member: Berislav Radišić
• Committee member: Vladimir Butković
• Granter: University of Zagreb; Faculty of Veterinary Medicine; (Department of Radiology, Ultrasound Diagnostic and Physical Therapy); Zagreb
• Defense date and country: 2014-06-18, Croatia
• Scientific / art field, discipline and subdiscipline: BIOMEDICINE AND HEALTHCARE; Veterinary Medicine; Veterinary Clinical Sciences

Abstract

Patološki promijenjen mijelogram karakteristican je po promjenama velicine i položaja
subarahnoidnog kontrastnog sredstva u kralježnici, te širini i gustoci sjene spinalne moždine.
Mijelografske promjene mogu se svrstati kao ekstraduralne, intraduralne-ekstramedularne,
intramedularno oticanje i intramedularno ovapnjenje. Ekstraduralne ili intramedularne
promjene mogu nastati kod protruzije diska. Protruzija diska uzrokuje ekstraduralne promjene
koje su karakteristicne po tankom i dorzalno uvucenom subarahnoidnom kontrastnom
spinalnom stupcu (profilna projekcija). U sagitalnoj projekciji je kompenzatorno proširenje
spinalne moždine. Ekstruzirani dijelovi degeneriranog diska i izbocenje prstena diska
uzrokuje devijacije subarahnoidnog kontrastnog stupca kralježnice.
Kompjutorizirna tomografija (CT) i CT mijelogarfija koriste se kad se konvencionalnom
mijelografijom ne mogu jasno prikazati suspektne ekstradurlne promjene uzrokovane
protruzijom diska. Kontrastna rezolucija kompjutorizirane tomografije je znatno bolja od
konvencionalne radiografije, zbog cega se mogu prikazati i druge patološke promjene koje
mogu ekstraduralno uzrokovati pritisak na spinalnu moždinu (hipertrofija ligamenta,
hematom, tumor). CT mijelografijom može se prikazati oteklina spinalne moždine i promjene
u intervertebralnim otvorima.

Abstract (english)

Abnormal myelogram is characterised by changes in the size and location of the
subarachnoid contrast medium columns and the width and opacity of the spinal cord.
Myelographic lesions can be grouped into the following patterns: extradural, intraduralextramedullary,
intramedullary swelling, and intramedullarry opacification. Either extradural
or intramedullary patterns may result from disc protrusion.. Disc protrusion typically causes
an extradural lesion characterised by thinning and dorsal deviation of the ventral subarachnoid
contrast medium column (lateral radiograph) and compensatory widening of the cord
(ventrodorsal radiograph).
Computed tomography (CT) and CT myelography are useful when conventional
myelography does not clearly demonstrate a suspected extradural lesion caused by disc
protrusion. Because the contrast resolution of CT is superior to that of conventional
radiography, extradural compressive lesions caused by lesions other than disc protrusion (e.g.
ligamentum hypertrophy, hematoma, tumor) can be identified. Cord swelling and
intervertebral foraminal changes are accurately diagnosed with CT myelogrphy, especially
when there is minimal subarachnoid distention. CT findings provide prognosis information
about paraspinal soft-tissue structures and the cord parenchyma that cannot be obtained with
conventional radiography.

• Keywords: CT; mijelogram; pas
• Keywords (english): ct; myelogram; dog
• Language: croatian
• URN:NBN: urn:nbn:hr:178:165801
• Study programme: Title: Veterinary Medicine; Study programme type: university; Study level: integrated undergraduate and graduate; Academic / professional title: doktor/doktorica veterinarske medicine (doktor/doktorica veterinarske medicine)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Access restricted to students and staff of home institution
• Created on: 2016-01-12 12:52:11