Page 46 - BSAVA Manual of Canine and Feline Head, Neck and Thoracic Surgery, 2nd Edition

Chapter 3 · Surgery of the oral cavity and oropharynx

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OPERATIVE TECHNIQUE 3.1
Partial rostral maxillectomy

PATIENT POSITIONING
Lateral recumbency.

ASSISTANT

Optional.
ADDITIONAL INSTRUMENTS

Periosteal elevator; osteotome and mallet (or other bone-cutting equipment).
SURGICAL TECHNIQUE

Approach
The labial mucosa is incised at least 1 cm from the lesion.
Surgical manipulations
1 Use a periosteal elevator to elevate the mucosa from its attachment on the incisive bone and maxilla. The
infraorbital artery, vein and nerve exit the infraorbital canal and should be avoided unless wide resection requires
their division and ligation.
2 Incise the palatal mucosa and elevate the mucoperiosteum. Ligate the major palatine artery if the resection
approaches the major palatine foramen.
3 Perform maxillectomy using power saws, dental burrs or an osteotome and mallet; resection of the incisive bone
and/or maxilla exposes the nasal cavity.
4 Perform local turbinectomy if the neoplasm is in contact with or invading adjacent turbinates.
5 Interference of the ipsilateral canine tooth with lip function may necessitate crown reduction and vital
pulp therapy, or extraction.

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