A Complicated, Metastatic, Humeral Air Sac Cystadenocarcinoma in a Timneh African Grey Parrot (Psittacus erithacus timneh)

Azmanis, Panagiotis; Stenkat, Julia; Hübel, Jens; Böhme, Julia; Krautwald-Junghanns, Maria Elisabeth; Schmidt, Volker
March 2013
Journal of Avian Medicine & Surgery;Mar2013, Vol. 27 Issue 1, p38
Academic Journal
A 9-year-old male timneh African grey parrot (Psittacus erithacus timneh) was presented because of inability to fly and suspected trauma. The owner also had observed dyspnea, with tail bobbing and open-beak breathing. On clinical examination, a hard, painful mass was palpable in the left proximal humerus and axillary area. Radiographs revealed a radiodense soft tissue mass of the left humerus with no bony involvement, multifocal opacities in lung and air sacs, and an enlarged spleen. An asymmetric, vascularized cyst was detected in the mass by ultrasound examination. Results of biopsy of the mass revealed multifocal cysts composed of unilayer isoprismatic cells laying in vascularized connective tissue. Because of the severity of clinical signs and the poor clinical condition, the bird was euthanatized. On postmortem examination, the findings were air sac cystadenocarcinoma involving the humeral air sac with metastases in the spleen and kidneys, atherosclerosis, pneumoconiosis, and mycotic granulomatous pneumonia and airsacculitis with isolation of Aspergillus niger.


Related Articles

  • Testicular Biopsy in Psittacine Birds (Psittaciformes): Impact of Endoscopy and Biopsy on Health, Testicular Morphology, and Sperm Parameters. Hänse, Maria; Krautwald-Junghanns, Maria-Elisabeth; Reitemeier, Susanne; Einspanier, Almuth; Schmidt, Volker // Journal of Avian Medicine & Surgery;Dec2013, Vol. 27 Issue 4, p258 

    Histologic examination of a testicular biopsy sample may be required to evaluate the reproductive status of male psittacine birds. The purpose of this study was to evaluate the viability of testicular sampling from live birds by assessing the impact on the birds' health, testicular integrity,...

  • Stereotactic radiotherapy for oligometastatic cancer: a prognostic model for survival. de Vin, T.; Engels, B.; Gevaert, T.; Storme, G.; De Ridder, M. // Annals of Oncology;Feb2014, Vol. 25 Issue 2, p467 

    Stereotactic radiotherapy is a safe and locally effective treatment for patients with inoperable oligometastases. The challenge remains identifying subsets of patients that benefit in terms of overall survival. A prognostic model is presented based on four independent clinical risk factors:...

  • WRAP53 is an independent prognostic factor in rectal cancer- a study of Swedish clinical trial of preoperative radiotherapy in rectal cancer patients. Zhang, Hong; Wang, Da-Wei; Adell, Gunnar; Sun, Xiao-Feng // BMC Cancer;2012, Vol. 12 Issue 1, p294 

    Background: Expression of WRAP53 protein has oncogenic properties and it is up regulated in several types of tumors. Methods: We examined expression of WRAP53 protein in rectal cancers and analyzed its relationship to the response to preoperative radiotherapy and patient survival. The WRAP53...

  • Clinical Predictors of Survival for Patients with Stage IV Cancer Referred to Radiation Oncology. Kao, Johnny; Gold, Kenneth D.; Zarrili, Gina; Copel, Emily; Silverman, Andrew J.; Ramsaran, Shanata S.; Yens, David; Ryu, Samuel // PLoS ONE;Apr2015, Vol. 10 Issue 4, p1 

    Background: There is an urgent need for a robust, clinically useful predictive model for survival in a heterogeneous group of patients with metastatic cancer referred to radiation oncology. Methods: From May 2012 to August 2013, 143 consecutive patients with stage IV cancer were prospectively...

  • air sac.  // American Heritage Student Science Dictionary;2009, p7 

    A definition of the term "air sac" is presented. it refers to an air-filled space in the body of a bird that forms a connection between the lungs and bone cavities. it is also a bag-like piece of skin or tissue below the jaw of certain animals, such as the bullfrog and orangutan, that can be...

  • Infestação simultânea por Cytodites nudus e Laminosioptes cysticola e seus aspectos patológicos em galinhas de subsistência. Herpich, Juliana Inês; Borges, Karen Apellanis; de Oliveira Cesco, Marco Aurélio; Furian, Thales Quedi; Zimermann, Francielli Cordeiro; Fallavena, Luiz Cesar Bello; Salle, Carlos Tadeu Pippi; de Souza Moraes, Hamilton Luiz // Ciência Rural;mai2012, Vol. 42 Issue 5, p858 

    The occurrence of Cytodites nudus and Laminosioptes cysticola mites is rare and there is no report of this simultaneous infestation in Brazilian scientific literature. C. nudus is known as the air sacs mite and may cause respiratory signs as well as pneumonia and weight loss when present in...

  • Effects of air sac compliances on flow in the parabronchi: Computational fluid dynamics using an anatomically simplified model of an avian respiratory system. Urushikubo, Akira; Nakamura, Masanori; Hirahara, Hiroyuki // Journal of Biomedical Science & Engineering;Apr2013, Vol. 6 Issue 4, p483 

    Air flow in an avian lung was studied numerically to determine the effects of air sac compliance on flow in the parabronchi. In this preliminary study, the geometry of the avian respiratory system was simplified to capture the characteristics of respiratory flow. The pressure fluctuation within...

  • Histomorphological analysis of the urogenital diaphragm in elderly women: a cadaver study. C. Betschart; D. Scheiner; C. Maake; M. Vich; L. Slomianka; D. Fink; D. Perucchini // International Urogynecology Journal;Nov2008, Vol. 19 Issue 11, p1477 

    Abstract  The objective of this study was to describe the histomorphological structure of the urogenital diaphragm in elderly women using a modern morphometric procedure. Biopsies were taken from the posterior margin of the urogenital diaphragm of 22 female cadavers (mean age, 87 years)...

  • Paniculitis pancreática como forma de presentación inicial de adenocarcinoma gástrico con metástasis hepáticas. Aznar-Oroval, Eduardo; lllueca-Ballester, Carmen; Sanmartín-Jiménez, Onofre; Martínez-Lapiedra, Carmen; Santos-Corés, Jesús // Revista Española de Patología;ene-mar2013, Vol. 46 Issue 1, p40 

    A patient presenting with a ten month history of progressive lower limb panniculitis was found to have more than 7,000 lipase U/L. Pancreatic panniculitis and gastric adenocar-cinoma with liver metastases was diagnosed, despite no clinical or radiological findings of pancreatic disease....


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics