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34 Cards in this Set
- Front
- Back
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Labial avulsion
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Avulsion along mucogingival line leaving very little soft tissue for reattachment, usually lower lip
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Treatment of labial avulsion
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Place interdental stent sutures to support weight of lip and suture the mucogingival junction
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Why does suture reconstruction of labial avulsion patients fail?
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Weight of the lip
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Considerations of lip reconstruction
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Species, breed, lesion size and location (proximity to mucocutaneous junction)
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Where do you start suturing lip?
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Suture at lip margin to avoid step deformity and mucosal inversion
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Lip reconstruction options
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Direct apposition, labial advancement flap, labial rotation flap
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Salivary gland disorders
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Mucocele, trauma, sialolith, salivary gland enlargement, neoplasia (rare)
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Most common salivary neoplasia in dogs
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Parotid adenocarcinoma
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Most common salivary neoplasia in cats
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Mandibular adenocarcinoma
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Four major canine salivary glands
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Parotid, mandibular, sublingual, zygomatic
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Two types of sublingual salivary glands
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Monostomatic and polystomatic (ducts open directly into oral cavity)
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Additional salivary gland in the cat
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Molar salivary gland
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Salivary mucocele
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Subcutaneous accumulation of saliva within a non epithelial, non secretory lining
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Most common salivary system disease in dogs and cats
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Salivary mucocele
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Breeds that are overrepresented in salivary mucocele
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German Shepherds and poodles
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What does a salivary mucocele look like?
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Soft, non painful swelling
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When would a salivary mucocele be painful?
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In acute inflammatory stage or if secondarily infected
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Gland most commonly affected by salivary mucocele
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Sublingual salivary gland
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Most common presentation of salivary mucocele?
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Cervical mucocele
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What presentation of salivary mucocele causes respiratory distress?
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Pharyngeal mucocele
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What is the least common presentation of salivary mucocele?
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Pharyngeal mucocele
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Definitive treatment of salivary mucocele
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Surgical removal of involved gland
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Conservative treatment of salivary mucocele
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Percutaneous aspiration of accumulated saliva
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What is marsupialization of ranula?
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Surgical technique of cutting a slit into cyst and suturing the edges of slit to form a continuous surface from the exterior to interior of cyst
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Why lance pharyngeal mucoceles?
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To relieve respiratory stress before definitive treatment
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Surgical treatment of cervical mucocele, ranula, or pharyngeal mucosa
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Excision of mandibular and sublingual glands
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Mandibular and sublingual gland excision
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Horizontal excision, avoid incising digastricus muscle
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What is the one significant vessel entering the capsule on the dorsomedial aspect?
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Maxillary vein
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Does the mucocele need to be removed?
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No, it will resolve when the affected gland is removed
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What is the mucocele made of?
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Granulation tissue, filled with saliva and inflammatory exudate
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What is the prognosis for salivary mucocele?
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Excellent
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What is the recurrence after gland resection?
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<5%
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What contributes to failure of resection?
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Inadequate excision, not removing enough of a gland, operation on the wrong side, removed the wrong structure
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Treatment of parotid fistula
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Ligation of parotid duct proximal to defect causing the fistula resulting in atrophy of the gland
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