Introductory guide to equine radiology

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PRESENTATION

INTRODUCTORY GUIDE TO EQUINE RADIOLOGY

Pablo Adrados de LLano

BROCHURE

INTRODUCTORY GUIDE TO

EQUINE RADIOLOGY Pablo Adrados de Llano



Servet presenta este manual que recoge de forma simplificada los conceptos básicos de radiología en la clínica equina así como las imágenes de las principales estructuras óseas que son sometidas a estudio radiológico en el caballo. En cada imagen se señala con detalle todas y cada una de las referencias anatómicas relevantes en el diagnóstico por imagen. Las vistas radiológicas presentadas son las consideradas de uso frecuente y por tanto es posible que no se encuentren otras más específicas. El ámbito de esta obra es principalmente servir de ayuda al veterinario de campo, sin entrar en cuestiones demasiado profundas, para cuya consulta existen tratados de referencia a los que remito al lector.

Pablo Adrados de LLano

INTRODUCTORY GUIDE TO

EQUINE RADIOLOGY Pablo Adrados de Llano

INTRODUCTORY GUIDE TO EQUINE RADIOLOGY

Introductory guide to equine radiology

AUTHOR: Pablo Adrados de Llano FORMAT: 17 × 24 cm NUMBER OF PAGES: 152 NUMBER OF IMAGES: 250 BINDING: hardcover

ESTIMATED

RETAIL PRICE

65 €

eBook included

Servet is publishing this practical guide to radiology in equine clinical practice. This book contains a great deal of graphic content with a predominance of radiological images and anatomical description of the main structures visualised. Each radiological image is accompanied by an illustration of the corresponding radiological positioning. The first chapter provides an overview of radiology in horses and the subsequent chapters are organised by anatomical region. The injuries that are most representative of each anatomical area appear at the beginning of each chapter, and the disorders of the musculoskeletal system detectable by radiology appear in a final annex. It is a very easy-to-use book for use both in the field clinic and in the classroom.


Eric Isselee/shutterstock.com


Introductory guide to equine radiology

Presentation of the book This guide represents an attempt to create a simplified compilation of all the most widely used basic concepts and radiological images in equine clinical practice. Thus, some sections and chapters have been either omitted or superficially addressed, as the purpose of this book is to provide immediate assistance to field veterinary surgeons. Special and in-depth topics may be found in plenty of generally known reference textbooks. This guide focuses on the radiography of structures related to the musculoskeletal system, to the exclusion of other systems and tracts in which radiology also offers invaluable assistance. The images were obtained with an indirect digital radiology device and in all cases were digitally modified with the Adobe PhotoShop CS5 software program for better visualisation thereof. The radiological views collected in each chapter are those considered to be commonly used. Therefore, other views that are reserved for specific studies may not be found among them. The final chapter features regularly used images that may be obtained with a portable device. Studies of the thoracolumbar and sacral regions will require hospital equipment. I would like to thank the collaborators in the preparation of this book, Beatriz Arias and Paloma Fernรกndez for their contribution in the concepts of digital radiology, my associate and friend ร lvaro Vรกzquez for always showing a well-thought-out point of view in our discussions, and everybody who directly or indirectly enabled the publication of this Introductory guide to equine radiology. Pablo Adrados de Llano


The author Pablo Adrados de Llano Pablo Adrados de Llano earned a Bachelor’s Degree in Veterinary Medicine from the Complutense University of Madrid, Spain, in 1988. From 1988 to 1989, he practised as a Deputy Assistant Veterinary Surgeon on the former Equestrianism and Remount Unit (Madrid, Spain) where he cared for the horses on the unit. Since 1990, he has been a practising veterinary surgeon specialising in Equine Clinical Practice. He is a co-founder of EQUISAN Veterinaria Equina Integral. Specialties in Internal Medicine and Sports Medicine. Assistant Lecturer at the Faculty of Veterinary Medicine of Alfonso X el Sabio University (Madrid, Spain) since 2005. President of the Spanish Association of Equine Veterinary Specialists (AEVEE) since 2007. Member of the American Association of Equine Practitioners (AAEP). Specialised training: course on Equine Surgery by the University of Colorado (USA) and the University of California (USA). Doctorate Degree preparation at the Faculty of Veterinary Medicine of the Complutense University of Madrid, Spain. He is the author of several informative articles and the book Manual para la determinación de la edad en el caballo (Guide to determining age in horses).


Introductory guide to equine radiology

Collaborators José María Martínez Domínguez José María Martínez Domínguez earned a Bachelor’s Degree in Veterinary Medicine from the Complutense University of Madrid, Spain, in 2001. He then started a residency in Equine Medicine and Surgery at the same university. Following a year of specialisation in England, he joined EQUISAN Veterinaria Equina Integral, where he currently pursues his professional activity.

Amara Meilán Salazar

hkeita/shutterstock.com

Amara Meilán Salazar earned a Bachelor’s Degree in Veterinary Medicine from the Complutense University of Madrid, Spain, in 2008. After completing a three-year internship in the specialties of Equine Internal Medicine, Surgery and Reproduction at the same university, she joined EQUISAN Veterinaria Equina Integral.


Communication services Website Online visualisation of the sample chapter. Presentation brochure in PDF format. Author´s CV. Sample chapter compatible with iPad.

www.grupoasis.com/promo/equine_radiology


INTRODUCTORY GUIDE TO EQUINE RADIOLOGY Pablo Adrados de LLano

EQUINE RADIOLOGY INTRODUCTORY GUIDE TO

Pablo Adrados de Llano


Table of contents 1. Overview Radiological nomenclature Equipment Types of radiology Equipment needed Advantages and disadvantages of digital radiology Use of digital radiology in horses

2. Radiology of the hoof and navicular bone Structures visualised Technique Diagnostic utility Lateromedial (LM) projection Dorsoproximal-palmarodistal oblique (DPrPaDiO 85°) projection Collimated dorsoproximal-palmarodistal oblique (DPr-PaDiO 85°) projection Dorsolateral-palmaromedial oblique (DLPaMO 45°) projection Palmaroproximal-palmarodistal oblique (PaPr-PaDiO) projection of the navicular bone

3. Radiology of first and second phalanges Structures visualised Projections

Diagnostic utility Lateromedial (LM) projection Dorsopalmar (DP) projection Dorsolateral-palmaromedial oblique (DLPaMO) projection

4. Radiology of the fetlock joint Structures visualised Technique Diagnostic utility Dorsolateral-palmaromedial oblique (DLPaMO 30°) projection Dorsomedial-palmarolateral oblique (DMPaLO 30°) projection Dorsoproximal-palmarodistal oblique (DPrPaDiO 45°) projection Lateromedial (LM) projection Flexed lateromedial (FLM) projection Dorsoproximal-dorsodistal oblique (DPrDDiO) projection

5. Radiology of the metacarpus/ metatarsus Structures visualised Technique Diagnostic utility Dorsolateral-palmaromedial oblique (DLPaMO) projection Dorsomedial-palmarolateral oblique (DMPaLO) projection Dorsopalmar (DP) projection Lateromedial (LM) projection


6. Radiology of the carpus Structures visualised Technique Diagnostic utility Lateromedial (LM) projection Dorsopalmar (DP) projection Dorsolateral-palmaromedial oblique (DLPaMO) projection

Plantaroproximal-plantarodistal oblique (PlPr-PlDiO) projection

8. Radiology of the shoulder, humerus and elbow Scapulohumeral joint Structures visualised Technique

Dorsomedial-palmarolateral oblique (DMPaLO) projection

Diagnostic utility

Flexed lateromedial (FLM) projection

Elbow joint

Dorsoproximal-dorsodistal oblique (DPrDDiO) projection: Visualisation of the distal radius

Structures visualised

Dorsoproximal-dorsodistal oblique (DPrDDiO) projection: Visualisation of the proximal row of the carpus

Diagnostic utility

Dorsoproximal-dorsodistal oblique (DPrDDiO) projection: Visualisation of the distal row of the carpus

7. Radiology of the tarsus Structures visualised Technique Diagnostic utility Lateromedial (LM) projection Dorsoplantar (DPl) projection Dorsolateral-plantaromedial oblique (DLPlMO) projection Plantarolateral-dorsomedial oblique (PlLDMO) projection Flexed lateromedial (FLM) projection

Technique Scapulohumeral joint Mediolateral (ML) projection Craniomedial-caudolateral oblique (CrM-CaLO) projection

Elbow joint Mediolateral (ML) projection Craniocaudal (CrCa) projection

9. Radiology of the femoropatellar joint Structures visualised Diagnostic utility Lateromedial (LM) projection Caudolateral-craniomedial oblique (CaLCrMO 30º) projection Caudocranial (CaCr) projection Proximodistal (PrDi) or skyline projection


10.

Radiology of the head and spine

Radiology of the back Lateral projection of the cranial thoracic segment Lateral projection of the medial thoracic segment

Radiology of the head

Lateral projection of the thoracolumbar segment Lateral projection of the sacrococcygeal segment

Structures visualised Technique Diagnostic utility Lateral projection of the skull Lateral projection of the nasofrontal region Lateral projection of the maxilla and mandible Lateral oblique projection of the pharyngeal region Dorsoventral projection of the maxilla and mandible Dorsoventral projection of the skull

Lateral projection of the coccygeal segment

11.

Annex Main disorders of the musculoskeletal system detectable by radiology Joint diseases Lateral dislocation of the patella Tumours Laminitis

Radiology of the neck

Subsolar abscesses

Structures visualised

Fractures

Technique

Navicular syndrome

Diagnostic utility

Infection of the podotrochlear bursa

Radiology of the back

Pedal osteitis

Structures visualised Technique

Calcification of the coffin bone extension cartilage

Diagnostic utility

Bone injuries

Radiology of the neck

Increase in mineral production

Lateral projection of cervical vertebrae (A) Lateral projection of cervical vertebrae (B) Lateral projection of cervical vertebrae (C)

12. References


RADIOLOGY OF THE HOOF AND NAVICULAR BONE

Dorsolateral-palmaromedial oblique (DL-PaMO 45°) projection 1

7 6

2

5

3 4 1 First phalanx.

45º

2 Insertion of the ligaments of the distal interphalangeal joint. 3 Extensor apophysis. 4 Third phalanx. 5 Medial palmar process of the third phalanx. 6 Medial aspect of the navicular bone. 7 Navicular bone.

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INTRODUCTORY GUIDE TO EQUINE RADIOLOGY

Flexed lateromedial (FLM) projection 1

2

3

4

5

6

1 Third metacarpal bone. 2 Proximal sesamoid bones (partially superimposed). 3 Lateral and medial palmar processes of the first phalanx. 4 Sagittal border. 5 Lateral and medial condyles of the third metacarpal bone. 6 First phalanx.

42


Dorsoproximal-dorsodistal oblique (DPr-DDiO) projection 1

6

2

5

3 4

1 Sagittal border. 2 Medial condyle of the third metacarpal bone. 3 Third metacarpal bone. 4 First phalanx (the third metacarpal bone is superimposed). 5 Dorsal articular border of the first phalanx. 6 Lateral condyle of the third metacarpal bone.

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INTRODUCTORY GUIDE TO EQUINE RADIOLOGY

Dorsopalmar (DP) projection 2

1

15 14

3 4

13 12

5

11

6 7 1 2 3 4 5 6 7 8 9

58

9 8

Radius. Radiocarpal joint. Radial carpal bone. Intercarpal joint. Second carpal bone. First carpal bone. Carpometacarpal joint. Metacarpal splint bones.

10 10 11 12 13 14 15

Third metacarpal bone. Fourth carpal bone. Third carpal bone. Cubital carpal bone. Intermediate carpal bone. Accessory carpal bone.


Dorsolateral-palmaromedial oblique (DL-PaMO) projection 2

1

15 14

3

13

4

12

5

11

6 7 1 2 3 4 5 6 7 8 9 10 11

9 10

8

Radius. Radiocarpal joint. Radial carpal bone. Intercarpal joint. Third carpal bone. Second carpal bone. Carpometacarpal joint. Metacarpal splint bones. Third metacarpal bone. First carpal bone.

12 13 14 15

Fourth carpal bone. Cubital carpal bone. Intermediate carpal bone. Origin of the accessory ligament of the superficial digital flexor tendon.

59


INTRODUCTORY GUIDE TO EQUINE RADIOLOGY

Plantarolateral-dorsomedial oblique (PlL-DMO) projection 1

13

2

12

3

11

4 5

10

6 7

8

1 Tibia. 2 Tarsocrural joint. 3 Lateral and medial trochleae of the talus. 4 Proximal intertarsal joint. 5 Central tarsal bone. 6 Distal intertarsal joint. 7 Third tarsal bone. 8 Tarsometatarsal joint. 9 Second metatarsal bone.

72

9 10 Third metatarsal bone. 11 Fused first and second tarsal bones. 12 Sustentaculum tali tali. 13 Calcaneus.


Flexed lateromedial (FLM) projection 14

13

1

12 11 10

2

9 8 7 3 1 2 3 4 5 6 7 8 9

4

Distal intertarsal joint. Tarsometatarsal joint. Fourth metatarsal bone. Third metatarsal bone. Fourth tarsal bone. Third tarsal bone. Calcaneus. Talocalcaneal joint. Proximal intertarsal joint.

5

6

10 Central tarsal bone. 11 Talus. 12 Lateral and medial trochleae of the talus. 13 Tarsocrural joint. 14 Tibia.

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INTRODUCTORY GUIDE TO EQUINE RADIOLOGY

Caudocranial (CaCr) projection 1

9

2

8

3

7

4 5 1 Lateral condyle. 2 Lateral intercondylar eminence. 3 Tibial tuberosity. 4 Tibia. 5 Fibula.

88

6 6 Medial intercondylar eminence. 7 Medial condyle. 8 Medial epicondyle. 9 Femur.


Proximodistal (PrDi) or skyline projection 1

3

2

1 Patella. 2 Lateral trochlea. 3 Medial trochlea.

89


INTRODUCTORY GUIDE TO EQUINE RADIOLOGY

Figure 9. Comminuted fracture of the splint bone.

Figure 10. Comminuted fracture of the elbow.

Figure 11. Comminuted fracture of the accessory carpal bone.

Figure 12. Fracture of the head of the metacarpal splint bone.

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The publishing strength of Grupo AsĂ­s Editorial Servet, a division of Grupo AsĂ­s, has become one of the reference publishing companies in the veterinary sector worldwide. More than 15 years of experience in the publishing of contents about veterinary medicine guarantees the quality of its work. With a wide national and international distribution, the books in its catalogue are present in many different countries and have been translated into nine languages to date: English, French, Portuguese, German, Italian, Turkish, Japanese, Russian and Chinese. Its identifying characteristic is a large multidisciplinary team formed by doctors and graduates in Veterinary Medicine and Fine Arts, and specialised designers with a great knowledge of the sector in which they work. Every book is subject to thorough technical and linguistic reviews and analyses, which allow the creation of works with a unique design and excellent contents. Servet works with the most renowned national and international authors to include the topics most demanded by veterinary surgeons in its catalogue. In addition to its own works, Servet also prepares books for companies and the main multinational companies in the sector are among its clients.


Servet (División de Grupo Asís Biomedia S.L.) Centro Empresarial El Trovador, planta 8, oficina I Plaza Antonio Beltrán Martínez, 1 • 50002 Zaragoza (España) Tel.: +34 976 461 480 • Fax: +34 976 423 000 • www.grupoasis.com


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