Radiology of the Horse – II. 2009.

dr. Tóth Péter 1

Clinical Radiology of the Clinical Radiology of the

HorseHorse

Dr. Tóth PéterDr. Tóth Péter

SZIESZIE--ÁOTK Clinic for Large AnimalsÁOTK Clinic for Large Animals

Distal phalanxDistal phalanx

�� LateromedialLateromedial viewview

�� Dorsopalmar/plantarodorsalDorsopalmar/plantarodorsal viewview

�� DorsoproximalDorsoproximal--palmarodistal oblique viewpalmarodistal oblique view

�� PalmaroproximalPalmaroproximalisis -- palmarodistal palmarodistal oblique viewoblique view

Distal phalanxDistal phalanx

�� Wooden blockWooden block

10-15 cm

Distal phalanx:Distal phalanx: dorsopdorsoproximalroximal--

palpalmarmarodistal obliqueodistal oblique

�� Solar surface is perpendicular Solar surface is perpendicular

to the floorto the floor

�� Central beam: focus on the Central beam: focus on the

coronary bandcoronary band

Distal phalanxDistal phalanx: dorsopalmar: dorsopalmar (weight (weight

bearing)bearing)Distal phalanxDistal phalanx: :

palmpalm..proxprox.. –– palmpalm.d.disist. obliquet. oblique

�� 4545°° --7070°°

Radiology of the Horse – II. 2009.

dr. Tóth Péter 2

Pathological changesPathological changes

�� osteitisosteitis�� asepaseptictic

Pathological changesPathological changes

�� OOsteitissteitis�� septisepticc

Pathological changesPathological changes

�� KeratomKeratomaa

Pathological changesPathological changes

�� cystacysta

Pathological changesPathological changes

�� Ossification of Ossification of the cartilagethe cartilage

Pathological changesPathological changes

�� fracturefracture

Radiology of the Horse – II. 2009.

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Pathological changesPathological changes

�� Proc. extensorius Proc. extensorius fracturefracture

Pathological changesPathological changes

�� Periarticular Periarticular osteophyteosteophyte

Pathological changesPathological changes

�� LaminitisLaminitis

A

B

A/B= 25-28%

Radiology of the Horse – II. 2009.

dr. Tóth Péter 4

Navicular boneNavicular bone

�� Appropriate preparationAppropriate preparation

�� viewsviews

�� LateromedialLateromedial

�� OOxspringxspring

�� SkylineSkyline (tangential)(tangential)

LLateromedialateromedial viewview

�� Where to center Where to center the xthe x--ray beam?ray beam?

OxspOxsprringing viewview

Radiology of the Horse – II. 2009.

dr. Tóth Péter 5

SSkyline kyline view view (palmaroprox.(palmaroprox.--palmarodist. palmarodist.

obliqueoblique))

Navicular diseaseNavicular disease Navicular diseaseNavicular disease

Radiology of the Horse – II. 2009.

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FetlockFetlock Pathological changesPathological changes

�� OCDOCD

OCD

D30D30°°Pr70 Pr70 °°LL--PaDiMO/D30PaDiMO/D30°°Pr70Pr70°°MM--

PaDiLOPaDiLO

Pathological changesPathological changes

��physitisphysitis

Pathological changesPathological changes

�� sesamoiditissesamoiditis

Radiology of the Horse – II. 2009.

dr. Tóth Péter 7

Pathological changesPathological changes

�� fracturesfractures

ArthrosisArthrosis

CarpusCarpus Flexed LMFlexed LM

Radiology of the Horse – II. 2009.

dr. Tóth Péter 8

SkylineSkyline 8585°°

5555°°

3535°°

Pathological changesPathological changes ??

Osteochondroma, OCDOsteochondroma, OCDElbowElbow

Radiology of the Horse – II. 2009.

dr. Tóth Péter 9

ShoulderShoulder

Radiology of the Horse – II. 2009.

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Radiological anatomy of the hock I.Radiological anatomy of the hock I. Radiological anatomy of the hock II.Radiological anatomy of the hock II.

Radiology of the Horse – II. 2009.

dr. Tóth Péter 11

Radiological anatomy of the hock III.Radiological anatomy of the hock III. Osteochondrosis dissecansOsteochondrosis dissecans

Bone spavinBone spavin

StifleStifle

Radiology of the Horse – II. 2009.

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SkylineSkyline

HeadHead

�� Views: LL, VD/DV, obliquesViews: LL, VD/DV, obliques

�� Large cassettesLarge cassettes

Radiology of the Horse – II. 2009.

dr. Tóth Péter 13

Radiology of the Horse – II. 2009.

dr. Tóth Péter 14

NeckNeck

�� LLLL

�� Large cassettesLarge cassettes

WobblerWobbler--syndromesyndrome

�� Appropriate measurementsAppropriate measurements�� MSD of the vertebral canal/the widest point of the MSD of the vertebral canal/the widest point of the

cranial aspect of the vertebral body (C4cranial aspect of the vertebral body (C4--C6)C6)�� <48%: +, myelography to identify the site of the lesion<48%: +, myelography to identify the site of the lesion�� 48%48%--56%: +/56%: +/--, myelography to confirm or exclude CSM, myelography to confirm or exclude CSM�� >56%: >56%: --

C5-6 Other pathological changesOther pathological changes

�� OAOA

�� SubluxatioSubluxatio

�� OsteomyelitisOsteomyelitis

�� DiscospondylitisDiscospondylitis

�� NeoplasiaNeoplasia

�� AbscessAbscess

�� FracturesFractures

Thoracolumbal regionThoracolumbal region

�� Th8Th8--L3L3

�� Laterolateral and oblique viewsLaterolateral and oblique views

�� Large cassettesLarge cassettes

�� Aluminium wedge filterAluminium wedge filter

Radiology of the Horse – II. 2009.

dr. Tóth Péter 15

Oblique viewsOblique views

Kissing spinesKissing spines OAOA

DiscospondylitisDiscospondylitis Abdominal cavityAbdominal cavity

�� LL/VDLL/VD

�� Foals or poniesFoals or ponies

Radiology of the Horse – II. 2009.

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ThoraxThorax

�� LLLL

�� Large cassettesLarge cassettes

Thank you for your attention!Thank you for your attention!