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Leonardi L, Rizac RI, Pettinari I, Mechelli L, De Feo C. A First Case Report of Orbital Extra-Adrenal Paraganglioma in Cat. Vet Sci 2021; 8:vetsci8050086. [PMID: 34068893 PMCID: PMC8156548 DOI: 10.3390/vetsci8050086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/01/2021] [Accepted: 05/07/2021] [Indexed: 11/16/2022] Open
Abstract
Paraganglioma is a rare neuroendocrine neoplasm originating from paraganglia and consisting of neuroendocrine cells of the sympathetic and parasympathetic nervous system. Extra-adrenal paraganglioma occurs with a low incidence in both humans and animals. This report presents the first case of paraganglioma in a cat with orbital primary location. An 18-year-old spayed female European domestic shorthair cat of 3.60 kg body weight was evaluated in a private veterinary clinic in Perugia, Italy, for a pronounced exophthalmos of the right eye. The cat underwent surgery for the enucleation of the right eye and of the mass. The biopsy samples of the removed tissue were fixed in 10% buffered neutral formalin for histological and immunohistochemical evaluations. Therefore, specific markers were used for immunohistochemical investigations, such as anti-neuron specific enolase (NSE), anti-synaptophysin, anti-glial fibrillary acid protein, anti-cytokeratin and anti-chromogranin. The results of these investigations allowed establishing the final diagnosis of ocular extra-adrenal paraganglioma of the cat.
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Affiliation(s)
- Leonardo Leonardi
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo, 4-06126 Perugia, Italy; (I.P.); (L.M.)
- Correspondence: ; Tel.: +39-075-5857-663
| | - Raluca Ioana Rizac
- Faculty of Veterinary Medicine, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 105 Splaiul Independentei–District 5, 050097 Bucharest, Romania;
| | - Ilaria Pettinari
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo, 4-06126 Perugia, Italy; (I.P.); (L.M.)
| | - Luca Mechelli
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo, 4-06126 Perugia, Italy; (I.P.); (L.M.)
| | - Carlo De Feo
- Veterinary Practitioner, Via della Moda, 4-06125 Perugia, Italy;
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Rodrigues FRN, da Silva Freire JM, Fidelis LDAP, Pereira AABG, de Sousa DER, Wilson TM, Soto-Blanco B, de Castro MB. Paraganglioma of the Tongue in a Chow Chow Dog: A Comparison With the Human Counterpart and Literature Review. Front Vet Sci 2020; 7:422. [PMID: 32851012 PMCID: PMC7396616 DOI: 10.3389/fvets.2020.00422] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 06/12/2020] [Indexed: 01/20/2023] Open
Abstract
Over the last 20 years, substantial knowledge has been developed in Veterinary oncology, and tumors previously reported only in humans have been identified in animals. Primary paragangliomas of the tongue are extremely rare tumors in human beings and have never been reported in animals. A Chow Chow dog showed an ulcerated nodule at the lingual body, deeply infiltrated, which extended to the base of the tongue. A full clinical and pathological investigation was conducted, and a post-surgical follow-up of 6 months did not detect recurrence. Cytological, histological, and immunohistochemical features are presented and support the diagnosis of lingual paraganglioma. The paraganglioma of the tongue reported in this Chow Chow dog shares many similarities with the human counterpart.
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Affiliation(s)
| | | | | | | | | | - Tais Meziara Wilson
- Veterinary Pathology Laboratory, Campus Darcy Ribeiro, University of Brasília, Brasília, Brazil
| | - Benito Soto-Blanco
- Department of Veterinary Clinics and Surgery, Veterinary College, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Samuelson JP, Echeverria KO, Foreman JH, Fredrickson RL, Sauberli D, Whiteley HE. Metastatic myxosarcoma in a Quarter Horse gelding. J Vet Diagn Invest 2017; 30:121-125. [PMID: 28677418 DOI: 10.1177/1040638717719480] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
A 22-y-old Quarter Horse gelding was presented to the University of Illinois Veterinary Teaching Hospital for evaluation of increased heart rate and mild colic signs. Rectal examination revealed a large left perirenal mass. Abdominal ultrasonography further confirmed this finding. Thoracic ultrasonography indicated multifocal irregularities on the pleural surface suggestive of consolidation and possibly masses in the lungs. The animal was euthanized. Autopsy findings included a large, firm, expansile, gelatinous retroperitoneal mass that surrounded both kidneys, as well as nodules with similar morphology in the lungs, liver, intestinal mesentery, cecum, and caudal mesenteric artery. Histologically, the masses were composed of neoplastic stellate-to-spindloid cells in abundant mucinous stroma. Neoplastic cells exhibited strong immunoreactivity for vimentin and were negative for pancytokeratin (A1/A3), CD3, CD20, melan A, and synaptophysin. Mucinous stroma was strongly positive with alcian blue and weakly positive with periodic acid-Schiff histochemical staining. These findings are consistent with metastatic myxosarcoma. Myxosarcoma is a rare neoplasm in horses, and metastasis to tissues other than sentinel lymph nodes has not been described previously to our knowledge.
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Affiliation(s)
- Jonathan P Samuelson
- Departments of Pathobiology (Samuelson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Clinical Medicine (Echeverria, Foreman), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Diagnostic Laboratory (Samuelson, Fredrickson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Central Illinois Veterinary Services, Urbana, Illinois (Sauberli)
| | - Kate O Echeverria
- Departments of Pathobiology (Samuelson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Clinical Medicine (Echeverria, Foreman), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Diagnostic Laboratory (Samuelson, Fredrickson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Central Illinois Veterinary Services, Urbana, Illinois (Sauberli)
| | - Jonathan H Foreman
- Departments of Pathobiology (Samuelson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Clinical Medicine (Echeverria, Foreman), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Diagnostic Laboratory (Samuelson, Fredrickson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Central Illinois Veterinary Services, Urbana, Illinois (Sauberli)
| | - Richard L Fredrickson
- Departments of Pathobiology (Samuelson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Clinical Medicine (Echeverria, Foreman), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Diagnostic Laboratory (Samuelson, Fredrickson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Central Illinois Veterinary Services, Urbana, Illinois (Sauberli)
| | - Deborah Sauberli
- Departments of Pathobiology (Samuelson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Clinical Medicine (Echeverria, Foreman), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Diagnostic Laboratory (Samuelson, Fredrickson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Central Illinois Veterinary Services, Urbana, Illinois (Sauberli)
| | - Herbert E Whiteley
- Departments of Pathobiology (Samuelson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Clinical Medicine (Echeverria, Foreman), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Veterinary Diagnostic Laboratory (Samuelson, Fredrickson, Whiteley), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL.,Central Illinois Veterinary Services, Urbana, Illinois (Sauberli)
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