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. 2016:2016:4096801.
doi: 10.1155/2016/4096801. Epub 2016 Feb 15.

Prevalence of Neoplastic Diseases in Pet Birds Referred for Surgical Procedures

Patrícia F Castro  1 , Denise T Fantoni  1 , Bruna C Miranda  1 , Julia M Matera  1
Affiliations

Prevalence of Neoplastic Diseases in Pet Birds Referred for Surgical Procedures

Patrícia F Castro et al. Vet Med Int. 2016.

Abstract

Neoplastic disease is common in pet birds, particularly in psittacines, and treatment should be primarily aimed at tumor eradication. Nineteen cases of pet birds submitted to diagnostic and/or therapeutic surgical procedures due to neoplastic disease characterized by the presence of visible masses were retrospectively analyzed; affected species, types of neoplasms and respective locations, and outcomes of surgical procedures were determined. All birds undergoing surgery belonged to the order Psittaciformes; the Blue-fronted parrot (Amazona aestiva) was the prevalent species. Lipoma was the most frequent neoplasm in the sample studied. Most neoplasms affected the integumentary system, particularly the pericloacal area. Tumor resection was the most common surgical procedure performed, with high resolution and low recurrence rates.

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Figures

Figure 1
Figure 1
Histological photomicrographs of avian neoplasms—Hematoxylin and Eosin stain (H&E). (a) and (b) Case number 1: pericloacal lipoma (A. aestiva). (c) and (d) Case number 2: well-differentiated hemangiosarcoma in pelvic limb (A. aestiva). (e) and (f) Case number 3: mandibular melanoma (Ara ararauna). (g) and (h) Case number 11: oral squamous cell carcinoma (Diopsittaca nobilis). (i) and (j) Case number 15: distal tibiotarsal lymphoma (Amazona sp.).
Figure 2
Figure 2
Case number 16: eastern rosella (Platycercus eximius) undergoing preoperative procedures. Note the endotracheal tube (adapted urinary catheter) in place and the catheterization of the brachial vein for intraoperative fluid therapy.
Figure 3
Figure 3
Neoplasms affecting the integumentary system of birds in the genus Amazona. (a) Pericloacal lipoma (A. aestiva). (b) Lipoma affecting the dorsal area near the tail (Amazona sp.). (c) Cutaneous lymphoma (A. aestiva). (d) Well-differentiated hemangiosarcoma affecting the pelvic limb (A. aestiva).
Figure 4
Figure 4
Case number 13: lipoma affecting the pelvic limb and pericloacal area (Amazona sp.). (a) Caudal, ulcerated, pendulum-like neoplasm. ((b) and (c)) Immediate postoperative appearance: skin closure on the lateral (b) and medial (c) aspects of the pelvic limb, extending to the pericloacal area (simple interrupted sutures, 4-0 polyglactin 910).
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