1. Small Animal Operating Room Clinical Rotation Resource
Prepping margins

2. Anal sacculectomy Perianal Fistula Rectal Mass
Cranial Margin: Base of tail
Caudal Margin: Semimembranosus/ semitendinosus
Lateral Margin: Left/right lateral femur
Wrap the tail and pull forward with tape

3. Bilateral Shoulder Surgery
Cranial Margin: Cranial to thoracic inlet
Caudal Margin: Caudal border of scapula
Dorsal Margin: Dorsal border of scapula
Ventral Margin: Mid radius/ulna

4. Craniotomy Cranial Margin: Nose Caudal Margin: Caudal to pinna
Dorsal Margin: Dorsal skull
Ventral Margin: Ventral to globe of eye

5. Craniotomy Cranial Margin: Nose Caudal Margin: Caudal to pinna
Dorsal Margin: Dorsal skull
Ventral Margin: Ventral to globe of eye

6. Cystotomy (Female) Cranial Margin: Manubrium Caudal Margin: Labia
Lateral Margin: Flank

7. Cystotomy (Male) Cranial Margin: Manubrium Caudal Margin: Pubis
Lateral Margin: Flank

8. Episioplasty Dorsal Margin: Dorsal to rectum
Ventral Margin: Distal to semimembranosus/ semitendinosus
Lateral Margin: Left/right lateral femur
Place a purse string!
Wrap the tail and pull forward with tape

9. Perineal Urethrostomy (PU) Feline patient
Dorsal Margin: Base of tail
Ventral Margin: Distal to semimembranosus/ semitendinosus
Lateral Margin: Left/right lateral femur
Wrap the tail and pull forward with tape

10. Forelimb Amputation Cranial Margin: Caudal mandible
Caudal Margin: Caudal scapula
Dorsal Margin: Lateral to spine
Ventral Margin: Lateral to midline
Distal Margin: Mid radius/ulna

11. Hemilaminectomy (CNS) (IVDD)
Cranial and caudal margin: 3cm in each direction from incision site
Lateral Margin: 3cm lateral to spine

12. Hip Surgery (Total Hip Replacement) (FHO)
Cranial Margin: Wings of the ilium
Caudal Margin: Pubis
Dorsal Margin: Spine
Ventral Margin: Midline of abdomen

13. Laryngeal Tieback Cranial Margin: Mid-mandible/just caudal to lips
Caudal Margin: Spine of scapula
Dorsal Margin: Base of pinna
Ventral Margin: Midline

14. Mandibulectomy Cranial Margin: Tip of mandible
Caudal Margin: Temporo-mandibular joint
Lateral Margin: Lip of mandible

15. Metacarpal (Mass Removal) (Digit Amputation)
Proximal Margin: Mid radius/ulna
Distal Margin: Phalanges

16. Parathyroidectomy Thyroidectomy
Cranial Margin: Mid mandible
Caudal Margin: Mid sternum
Lateral Margin: Base of pinna/scapulo-humoral joint

17. OHE (Rabbit) Cranial Margin: Xyphoid process Caudal Margin: Pubis
Lateral Margin: 2cm lateral to nipples

18. Stifle Surgery (TTA) (TPLO) (MPL) (CCL) (Stifle Scoping) (TTT) (OCD) (DJD)
Cranial Margin: Last rib/just cranial to femur
Proximal Margin: Acetabulum
Distal Margin: Tarsus

19. TECA Cranial Margin: Upper eye lid Caudal Margin: Cervical spine
Dorsal Margin: Midline
Ventral Margin: Maxilla

20. Thoracotomy (Left Lateral)
Cranial Margin: Manubrium
Caudal Margin: Wings of Ilium
Dorsal Margin: Just over midline
Ventral Margin: Just past sternum

21. Ventral Slot Cranial Margin: Mid mandible
Caudal Margin: Just past thoracic inlet
Lateral Margin: Base of pinna