Three cats bearing malignant tumors (two squamous cell carcinomas and one peripheral nerve sheath tumor) affecting the upper eyelid (UE) were treated by en bloc tumor removal. A caudal auricular axial pattern flap was used for reconstruction, and its margin was sutured to only the medial and lateral canthus in two cats; in the third cat, a narrow strip of spared conjunctiva was sutured to the flap margin. Postoperatively, superficial corneal ulcers occurred in two cats, but they healed with topical treatment. Apart from a reduced ability to blink, no further functional deficits persisted, and the long-term cosmetic appearance was considered satisfactory by the owners. Tumor-free excisional margins were achieved in two cases. Tumor recurrence in the long-term was observed for two cats, 350 and 380 days after surgery, one of whom had excisional noninfiltrated margins on histologic examination. UE reconstruction to preserve eyelid function following tumor excision without exenteration is challenging. In selected cases, caudal auricular axial pattern flap is one of the surgical options available to reconstruct the defect resulting from en bloc UE removal without any replacement of the mucosal layer.

Caudal Auricular Axial Pattern Flap for the Reconstruction of the Upper Eyelid in Three Cats

Morello E.;Piras L. A.;Buracco P.;
2020

Abstract

Three cats bearing malignant tumors (two squamous cell carcinomas and one peripheral nerve sheath tumor) affecting the upper eyelid (UE) were treated by en bloc tumor removal. A caudal auricular axial pattern flap was used for reconstruction, and its margin was sutured to only the medial and lateral canthus in two cats; in the third cat, a narrow strip of spared conjunctiva was sutured to the flap margin. Postoperatively, superficial corneal ulcers occurred in two cats, but they healed with topical treatment. Apart from a reduced ability to blink, no further functional deficits persisted, and the long-term cosmetic appearance was considered satisfactory by the owners. Tumor-free excisional margins were achieved in two cases. Tumor recurrence in the long-term was observed for two cats, 350 and 380 days after surgery, one of whom had excisional noninfiltrated margins on histologic examination. UE reconstruction to preserve eyelid function following tumor excision without exenteration is challenging. In selected cases, caudal auricular axial pattern flap is one of the surgical options available to reconstruct the defect resulting from en bloc UE removal without any replacement of the mucosal layer.
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tumor, upper eyelid, cat, reconstrunction, caudal auricular axial pattern flap
Del Magno S.; Paludi G.; Pisani G.; Morello E.; Piras L.A.; Buracco P.; Martano M.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2318/1770457
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