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Davenport A, Thompson J, Cazzini P, Sangster C, Buishand F. An incidental finding of numerous hypocellular nodules within a mandibular–sublingual gland complex sialocoele in a dog. Vet Record Case Reports 2022. [DOI: 10.1002/vrc2.451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Amy Davenport
- Hospital for Small Animals The University of Edinburgh Easter Bush Campus Edinburgh UK
| | - Jamie‐Leigh Thompson
- Hospital for Small Animals The University of Edinburgh Easter Bush Campus Edinburgh UK
| | - Paola Cazzini
- Easter Bush Pathology The University of Edinburgh Easter Bush Campus Edinburgh UK
| | - Cheryl Sangster
- Easter Bush Pathology The University of Edinburgh Easter Bush Campus Edinburgh UK
| | - Floryne Buishand
- Hospital for Small Animals The University of Edinburgh Easter Bush Campus Edinburgh UK
- Department of Clinical Science and Services Royal Veterinary College University of London London UK
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2
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Milne EM, Piviani M, Hodgkiss-Geere HM, Piccinelli C, Cheeseman M, Cazzini P, Ressel L, Marcos RJ, Marrinhas CS, Santos MS, Thomas EK, Drummond D, Martinez Pereira Y. Comparison of effusion cell block and biopsy immunohistochemistry in mesothelial hyperplasia, mesothelioma, and carcinoma in dogs. Vet Clin Pathol 2021; 50:555-567. [PMID: 34590335 DOI: 10.1111/vcp.13002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/08/2021] [Accepted: 02/03/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Determining the cause of effusions is challenging and might require a biopsy. Whether cell blocks from effusions are representative of biopsies requires investigation. A previously developed immunohistochemical panel aids in the differentiation of hyperplastic and neoplastic mesothelium in canine biopsies but has not been investigated in effusions. OBJECTIVES The study aimed to assess cell blocks as an alternative to biopsies and determine whether immunohistochemistry helps distinguish hyperplastic mesothelium, mesothelioma, and carcinoma. METHODS Effusions and biopsies were collected from five dogs with mesothelial hyperplasia (group MH), six with mesothelioma (group M), and five with carcinoma (group C). Immunohistochemistry (IHC) for cytokeratin, vimentin, Wilm's tumor protein 1 (WT1), desmin, glucose transporter 1 (GLUT1), and insulin-like growth factor II mRNA-binding protein 3 (IMP3) was performed. Sections were scored for staining intensity and the percentage of positively stained cells. RESULTS In paired cell blocks and biopsies, vimentin and WT1 staining were positively correlated for intensity and the percentage of positive cells, although not all paired results were identical. The intensity of IMP3 staining in cell blocks was higher in group M than in group C (P = 0.012), and WT1 staining was higher in group MH than in group C (P = 0.020). For biopsies, the intensity of WT1 staining was higher in group MH than in group C (P = 0.031). In group C, WT1 was negative in all cell blocks and biopsies, and desmin was negative in four of five cases. CONCLUSIONS IHC results for the cell blocks and biopsies were comparable for potentially useful markers, such as WT1, which helped discriminate between groups. IHC provided additional information, although results were not always definitive. Further studies on a larger population are required.
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Affiliation(s)
- Elspeth M Milne
- Department of Veterinary Pathology, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
| | - Martina Piviani
- Department of Small Animal Clinical Sciences, Institute of Veterinary Science, University of Liverpool, Neston, UK
| | - Hannah M Hodgkiss-Geere
- Department of Small Animal Clinical Sciences, Institute of Veterinary Science, University of Liverpool, Neston, UK
| | - Chiara Piccinelli
- Department of Veterinary Pathology, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
| | - Michael Cheeseman
- Department of Veterinary Pathology, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
| | - Paola Cazzini
- Department of Veterinary Pathology, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
| | - Lorenzo Ressel
- Department of Veterinary Pathology and Public Health, Institute of Veterinary Science, University of Liverpool, Neston, UK
| | - Ricardo J Marcos
- Cytology Diagnostic Services, Laboratory of Histology and Embryology, Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal
| | - Carla S Marrinhas
- Cytology Diagnostic Services, Laboratory of Histology and Embryology, Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal
| | - Marta S Santos
- Cytology Diagnostic Services, Laboratory of Histology and Embryology, Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal
| | - Emily K Thomas
- Hospital for Small Animals, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
| | - Dawn Drummond
- Department of Veterinary Pathology, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
| | - Yolanda Martinez Pereira
- Hospital for Small Animals, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
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3
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Kelly DL, Kasperbauer KA, Sakamoto K, Camus MS, Mayer J, Divers SJ, Cazzini P. Pathology in Practice. J Am Vet Med Assoc 2021; 259:257-260. [PMID: 34242081 DOI: 10.2460/javma.259.3.257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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4
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Černá P, L. Mitchell J, Lodzinska J, Cazzini P, Varjonen K, Gunn-Moore DA. Systemic Mycobacterium kansasii Infection in Two Related Cats. Pathogens 2020; 9:E959. [PMID: 33218094 PMCID: PMC7698836 DOI: 10.3390/pathogens9110959] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/13/2020] [Accepted: 11/16/2020] [Indexed: 12/31/2022] Open
Abstract
Mycobacterial infections are a major concern in veterinary medicine because of the difficulty achieving an etiological diagnosis, the challenges and concerns of treatment, and the potential zoonotic risk. Mycobacterium kansasii, a slow-growing non-tuberculous mycobacteria, causes disease in both humans and animals. While infections have been well described in humans, where it may be misdiagnosed as tuberculosis, there are fewer reports in animals. Only four cases have been reported in the domestic cat. This case report describes systemic M. kansasii infection in two sibling indoor-only cats that presented two and half years apart with cutaneous disease that was found to be associated with osteolytic and pulmonary pathology. Infection with M. kansasii was confirmed in both cats by polymerase chain reaction on fine-needle aspirate of a lumbosacral soft tissue mass in one cat and on a tissue punch biopsy of a skin lesion in the other; interferon-gamma release assay inferred M. avium-complex and M. tuberculosis-complex infection in the two cats, respectively. Both patients made a full recovery following antimicrobial therapy with rifampicin, azithromycin, and pradofloxacin (plus N-acetyl cysteine in cat 2). This report highlights successful treatment of systemic M. kansasii mycobacteriosis in the cat and the challenge of accurately diagnosing this infection.
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Affiliation(s)
- Petra Černá
- Department of Clinical Sciences, Colorado State University, Fort Collins, Colorado, CO 80528, USA;
- The University of Veterinary and Pharmaceutical Sciences Brno, 612 42 Brno, Czech Republic
| | - Jordan L. Mitchell
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Easter Bush Campus, University of Edinburgh, Midlothian EH25 9RG, UK; (J.L.); (P.C.); (D.A.G.-M.)
| | - Joanna Lodzinska
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Easter Bush Campus, University of Edinburgh, Midlothian EH25 9RG, UK; (J.L.); (P.C.); (D.A.G.-M.)
| | - Paola Cazzini
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Easter Bush Campus, University of Edinburgh, Midlothian EH25 9RG, UK; (J.L.); (P.C.); (D.A.G.-M.)
| | - Katarina Varjonen
- AniCura Djursjukhuset Albano, Rinkebyvägen 21A, 182 36 Danderyd, Sweden;
| | - Danièlle A. Gunn-Moore
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, Easter Bush Campus, University of Edinburgh, Midlothian EH25 9RG, UK; (J.L.); (P.C.); (D.A.G.-M.)
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5
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Fournier Q, Thierry F, Longo M, Malbon A, Cazzini P, Bisson J, Woods S, Liuti T, Bavcar S. Contrast-enhanced ultrasound for sentinel lymph node mapping in the routine staging of canine mast cell tumours: A feasibility study. Vet Comp Oncol 2020; 19:451-462. [PMID: 32840038 DOI: 10.1111/vco.12647] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/10/2020] [Accepted: 08/22/2020] [Indexed: 12/15/2022]
Abstract
Canine mast cell tumours (MCTs) typically spread to lymph nodes (LNs) before reaching distant sites, and LN assessment is an important part of MCT staging. Sentinel LN (SLN) mapping techniques to identify draining LNs are being developed and could improve the accuracy of MCT staging. The primary objective of this feasibility study was to determine the safety and effectiveness of contrast-enhanced ultrasound (CEUS) to identify SLNs. Secondary objectives were to determine if the SLNs identified by CEUS coincided with the regional LN predicted by the anatomical lymphosomes, if previous MCT excision altered CEUS SLN findings, and if CEUS could identify MCT nodal metastases. Between June 2017 and March 2019, 59 dogs with 62 MCTs were enrolled. No adverse events related to CEUS were reported. CEUS detected at least 1 SLN in 59/62 MCTs (95.2%, 95% CI: 86.5-99.0%). In only 32/59 (54.2%) MCTs, clinicians would have correctly predicted the SLN(s) identified by CEUS. Among the 35 MCTs that had histological examination of the SLN(s), the prevalence of metastasis was 60% (95% CI: 42.1-76.1%). Additional staging procedures did not reveal any metastases in dogs with histologically non-metastatic SLNs. Integration of CEUS SLN mapping into the routine staging of MCTs is promising, but future studies are required to refine this procedure and to investigate if it would translate into a clinical benefit.
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Affiliation(s)
- Quentin Fournier
- Department of Small Animal Teaching Hospital, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK
| | - Florence Thierry
- Department of Small Animal Teaching Hospital, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK.,Occitanie Veterinary Hospital, Toulouse, France
| | - Maurizio Longo
- Department of Small Animal Teaching Hospital, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK.,Department of Veterinary Medicine, Veterinary Teaching Hospital, University of Milan, Lodi, Italy
| | - Alexandra Malbon
- Easter Bush Pathology, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK
| | - Paola Cazzini
- Easter Bush Pathology, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK
| | - Jocelyn Bisson
- Department of Small Animal Teaching Hospital, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK
| | - Samantha Woods
- Department of Small Animal Teaching Hospital, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK.,Veterinary Specialists, Scotland, Livingston, Scotland
| | - Tiziana Liuti
- Department of Small Animal Teaching Hospital, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK
| | - Spela Bavcar
- Department of Small Animal Teaching Hospital, The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK
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6
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Pérez-Accino J, Liuti T, Pecceu E, Cazzini P. Endogenous lipoid pneumonia associated with pulmonary neoplasia in three dogs. J Small Anim Pract 2020; 62:223-228. [PMID: 31943233 DOI: 10.1111/jsap.13101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 10/26/2018] [Accepted: 01/02/2019] [Indexed: 12/17/2022]
Abstract
Endogenous lipoid pneumonia is a poorly characterised condition in veterinary medicine, particularly in dogs, but it is well recognised in association with lung neoplasia in humans. This case series describes three unique cases of endogenous lipoid pneumonia associated with lung neoplasia, including clinical, imaging, cytological findings and outcome. Clinical presentation and imaging lesions can appear non-specific and may be obscured by neoplastic infiltrate and so diagnosis requires cytology or histopathology. Awareness of endogenous lipoid pneumonia in dogs with pulmonary neoplasia has an impact on staging and monitoring, treatment of clinical signs and quality of life and also aids appropriate use of antimicrobials.
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Affiliation(s)
- J Pérez-Accino
- Hospital for Small animals, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Roslin, EH25 9RG, UK
| | - T Liuti
- Hospital for Small animals, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Roslin, EH25 9RG, UK
| | - E Pecceu
- Hospital for Small animals, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Roslin, EH25 9RG, UK
| | - P Cazzini
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Roslin, EH25 9RG, UK
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7
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Cazzini P, Watson MK, Gottdenker N, Mayer J, Reavill D, Fox JG, Parry N, Sakamoto K. Proposed grading scheme for inflammatory bowel disease in ferrets and correlation with clinical signs. J Vet Diagn Invest 2019; 32:17-24. [PMID: 31884894 PMCID: PMC7003233 DOI: 10.1177/1040638719896555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Inflammatory bowel disease (IBD) is an idiopathic, chronic, inflammatory disease of the gastrointestinal tract of companion animals, including ferrets (Mustela putorius furo). Clinical signs of IBD are nonspecific, and intestinal biopsies are necessary for a definitive diagnosis. A grading scheme has not been established for ferrets. Additionally, the association between histologic severity and clinical signs in ferrets is unknown. We evaluated enteric samples from ferrets diagnosed with IBD, compared histologic grading schemes, and correlated the results with the severity of clinical signs. Enteric sections from 23 ferrets with IBD were analyzed using grading schemes for intestinal inflammation in cats and dogs, and a correlation with clinical signs was evaluated. After dividing the histologic samples into groups based on the severity of clinical signs, main histologic differences were identified. Age and sex were also assessed for correlation with clinical signs. No significant correlation was found between the 2 grading schemes and clinical signs (rho = 0.02, p = 0.89; rho = 0.26, p = 0.18, respectively). Degree of villus fusion, hemorrhage and/or fibrin, epithelial damage, inflammation density, and crypt abscess formation were used retrospectively to create a ferret IBD grading scheme, which was significantly correlated with the severity of clinical signs (rho = 0.48, p = 0.01). A positive correlation was observed between age (p = 0.04) and females (p = 0.007) with severity of clinical signs. Our ferret grading scheme may have clinical utility in providing a more objective, consistent evaluation of IBD in ferrets.
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Affiliation(s)
- Paola Cazzini
- Departments of Pathology (Cazzini, Gottdenker, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA.,Small Animal Medicine and Surgery (Mayer), College of Veterinary Medicine, University of Georgia, Athens, GA.,Department of Animal Health and Conservation, Zoo New England, Boston, MA (Watson).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry).,Current address: Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini)
| | - Megan K Watson
- Departments of Pathology (Cazzini, Gottdenker, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA.,Small Animal Medicine and Surgery (Mayer), College of Veterinary Medicine, University of Georgia, Athens, GA.,Department of Animal Health and Conservation, Zoo New England, Boston, MA (Watson).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry).,Current address: Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini)
| | - Nicole Gottdenker
- Departments of Pathology (Cazzini, Gottdenker, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA.,Small Animal Medicine and Surgery (Mayer), College of Veterinary Medicine, University of Georgia, Athens, GA.,Department of Animal Health and Conservation, Zoo New England, Boston, MA (Watson).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry).,Current address: Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini)
| | - Joerg Mayer
- Departments of Pathology (Cazzini, Gottdenker, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA.,Small Animal Medicine and Surgery (Mayer), College of Veterinary Medicine, University of Georgia, Athens, GA.,Department of Animal Health and Conservation, Zoo New England, Boston, MA (Watson).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry).,Current address: Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini)
| | - Drury Reavill
- Departments of Pathology (Cazzini, Gottdenker, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA.,Small Animal Medicine and Surgery (Mayer), College of Veterinary Medicine, University of Georgia, Athens, GA.,Department of Animal Health and Conservation, Zoo New England, Boston, MA (Watson).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry).,Current address: Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini)
| | - James G Fox
- Departments of Pathology (Cazzini, Gottdenker, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA.,Small Animal Medicine and Surgery (Mayer), College of Veterinary Medicine, University of Georgia, Athens, GA.,Department of Animal Health and Conservation, Zoo New England, Boston, MA (Watson).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry).,Current address: Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini)
| | - Nicola Parry
- Departments of Pathology (Cazzini, Gottdenker, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA.,Small Animal Medicine and Surgery (Mayer), College of Veterinary Medicine, University of Georgia, Athens, GA.,Department of Animal Health and Conservation, Zoo New England, Boston, MA (Watson).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry).,Current address: Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini)
| | - Kaori Sakamoto
- Departments of Pathology (Cazzini, Gottdenker, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA.,Small Animal Medicine and Surgery (Mayer), College of Veterinary Medicine, University of Georgia, Athens, GA.,Department of Animal Health and Conservation, Zoo New England, Boston, MA (Watson).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry).,Current address: Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini)
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Cazzini P, Richardson J, Smith N, Lodzinska J, Robinson AL, Philbey AW. Lymphoma with Mott cell differentiation and validation of immunohistochemical lymphoid markers in an African pygmy hedgehog (Atelerix albiventris). Vet Clin Pathol 2019; 48:725-729. [PMID: 31837029 DOI: 10.1111/vcp.12816] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 05/17/2019] [Accepted: 05/17/2019] [Indexed: 11/30/2022]
Abstract
A 2-year-old female intact African pygmy hedgehog was presented for diagnostic investigation of a 2-month reduction in appetite, with weight loss and recent vomiting. Clinical examination revealed a large, firm mass originating from the left cranial abdomen. Ultrasound-guided fine-needle aspirates of the mass, liver, and mesenteric lymph nodes revealed a population of pleomorphic round cells, some of which contained variable numbers of round, clear vacuoles, consistent with a diagnosis of lymphoma with Mott cell differentiation. At postmortem examination, there was marked diffuse splenic enlargement, with infiltration by a soft tissue mass. There were multiple coalescing liver masses, kidney pallor, and mesenteric lymph node enlargements. On histologic examination, the spleen, lymph nodes, and masses in the liver were extensively infiltrated by proliferating lymphoid cells that had plasmacytoid and Mott cell differentiation. Cells with Mott cell morphology had an accumulation of periodic acid-Schiff-positive material in cytoplasmic inclusions and were positive for cytoplasmic nucleic acids when stained with methyl green pyronin. In the population of neoplastic lymphoid cells, a majority of cells expressed the transcription factor Pax5, which drives B-cell differentiation, and a minority expressed transcription factor IRF4/MUM-1, which drives plasma cell differentiation, indicating B-cell lymphoma with plasmacytoid differentiation.
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Affiliation(s)
- Paola Cazzini
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Edinburgh, UK
| | - Jenna Richardson
- Hospital for Small Animals, Rabbit and Exotic Animal Practice, Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Edinburgh, UK
| | - Nicola Smith
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Edinburgh, UK
| | - Joanna Lodzinska
- Diagnostic Imaging Department, Hospital for Small Animals, Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Edinburgh, UK
| | - Amy L Robinson
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Edinburgh, UK
| | - Adrian W Philbey
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Edinburgh, UK
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9
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Cazzini P, Bęczkowski P, Millins C, Sharman M, Hammond G, Berman K. What is your diagnosis? Fine-needle aspirate from a nasal mass in a dog. Vet Clin Pathol 2019; 48:367-369. [PMID: 31119754 DOI: 10.1111/vcp.12746] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 07/26/2018] [Accepted: 08/08/2018] [Indexed: 11/28/2022]
Affiliation(s)
- Paola Cazzini
- Veterinary Diagnostic Service, University of Glasgow, Glasgow, United Kingdom
| | - Paweł Bęczkowski
- Small Animal Teaching Hospital College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Caroline Millins
- Veterinary Diagnostic Service, University of Glasgow, Glasgow, United Kingdom
| | - Mellora Sharman
- Small Animal Teaching Hospital College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Gawain Hammond
- Small Animal Teaching Hospital College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Katherine Berman
- Veterinary Diagnostic Service, University of Glasgow, Glasgow, United Kingdom
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10
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Fournier Q, Cazzini P, Bavcar S, Pecceu E, Ballber C, Elders R. Investigation of the utility of lymph node fine-needle aspiration cytology for the staging of malignant solid tumors in dogs. Vet Clin Pathol 2018; 47:489-500. [DOI: 10.1111/vcp.12636] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Quentin Fournier
- Department of Small Animal Teaching Hospital; The Royal (Dick) School of Veterinary Studies and The Roslin Institute; University of Edinburgh; Easter Bush Edinburgh UK
| | - Paola Cazzini
- Department of Easter Bush Pathology; The Royal (Dick) School of Veterinary Studies and The Roslin Institute; University of Edinburgh; Easter Bush Edinburgh UK
| | - Spela Bavcar
- Department of Small Animal Teaching Hospital; The Royal (Dick) School of Veterinary Studies and The Roslin Institute; University of Edinburgh; Easter Bush Edinburgh UK
| | - Evi Pecceu
- Department of Small Animal Teaching Hospital; The Royal (Dick) School of Veterinary Studies and The Roslin Institute; University of Edinburgh; Easter Bush Edinburgh UK
| | - Clara Ballber
- Department of Small Animal Teaching Hospital; The Royal (Dick) School of Veterinary Studies and The Roslin Institute; University of Edinburgh; Easter Bush Edinburgh UK
| | - Richard Elders
- Department of Small Animal Teaching Hospital; The Royal (Dick) School of Veterinary Studies and The Roslin Institute; University of Edinburgh; Easter Bush Edinburgh UK
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11
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Cazzini P, Krimer PM, Williams-Fritze MJ, Butler AM, Blas-Machado U. Spontaneous chronic T-cell leukemia in a male rhesus macaque ( Macaca mulatta). J Vet Diagn Invest 2018; 26:571-574. [PMID: 24760134 DOI: 10.1177/1040638714532339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Blood smears from a 24-year-old male rhesus macaque ( Macaca mulatta) used for cognitive function studies were evaluated. The macaque had an 8-month history of gradual weight loss and increasing lymphocytosis. Most of the lymphocytes present were small to medium and had a mature morphology. Based on the degree and duration of the lymphocytosis, and the appearance of the lymphocytes, a diagnosis of chronic lymphocytic leukemia was made. The animal tested negative for 4 viral diseases that are commonly associated with lymphoproliferative disorders in Old World monkeys. Over the course of 12 months, the lymphocytosis progressed from 18.4 to 384 × 103 lymphocytes/µl (reference range: 0.8-17 × 103 cells/µl), and euthanasia was elected. On histologic examination, cluster of differentiation (CD)3- and CD8-positive, CD79-negative neoplastic cells comprised 40-60% of the bone marrow, diffusely obscured the normal splenic architecture, and were present in the vascular channels in other organs. Findings were characteristic of T-cell lymphocytic leukemia. Naturally occurring T-cell lymphocytic leukemia has been rarely reported in rhesus macaques and, to the authors' knowledge, never in males. A persistent lymphocytosis characterized by a monomorphic population of CD3- and CD8-positive cytotoxic T-lymphocytes and the presence of neoplastic cells in the bone marrow led to a diagnosis in the current case.
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Affiliation(s)
- Paola Cazzini
- Department of Pathology (Cazzini, Krimer, Butler, Blas-Machado), College of Veterinary Medicine, University of Georgia, Athens, GA.,Athens Veterinary Diagnostic Laboratory (Krimer, Blas-Machado), College of Veterinary Medicine, University of Georgia, Athens, GA.,Laboratory Animal Services, Georgia Regents University, Augusta, GA (Williams-Fritze)
| | - Paula M Krimer
- Department of Pathology (Cazzini, Krimer, Butler, Blas-Machado), College of Veterinary Medicine, University of Georgia, Athens, GA.,Athens Veterinary Diagnostic Laboratory (Krimer, Blas-Machado), College of Veterinary Medicine, University of Georgia, Athens, GA.,Laboratory Animal Services, Georgia Regents University, Augusta, GA (Williams-Fritze)
| | - Misty J Williams-Fritze
- Department of Pathology (Cazzini, Krimer, Butler, Blas-Machado), College of Veterinary Medicine, University of Georgia, Athens, GA.,Athens Veterinary Diagnostic Laboratory (Krimer, Blas-Machado), College of Veterinary Medicine, University of Georgia, Athens, GA.,Laboratory Animal Services, Georgia Regents University, Augusta, GA (Williams-Fritze)
| | - Abigail M Butler
- Department of Pathology (Cazzini, Krimer, Butler, Blas-Machado), College of Veterinary Medicine, University of Georgia, Athens, GA.,Athens Veterinary Diagnostic Laboratory (Krimer, Blas-Machado), College of Veterinary Medicine, University of Georgia, Athens, GA.,Laboratory Animal Services, Georgia Regents University, Augusta, GA (Williams-Fritze)
| | - Uriel Blas-Machado
- Department of Pathology (Cazzini, Krimer, Butler, Blas-Machado), College of Veterinary Medicine, University of Georgia, Athens, GA.,Athens Veterinary Diagnostic Laboratory (Krimer, Blas-Machado), College of Veterinary Medicine, University of Georgia, Athens, GA.,Laboratory Animal Services, Georgia Regents University, Augusta, GA (Williams-Fritze)
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12
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Lodzinska J, Cazzini P, Taylor CS, Harris J, Kilpatrick S, Liuti T, Paterson GK. Systemic Rasamsonia piperina infection in a German shepherd cross dog. JMM Case Rep 2017; 4:e005125. [PMID: 29188072 PMCID: PMC5692241 DOI: 10.1099/jmmcr.0.005125] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 10/08/2017] [Indexed: 11/21/2022] Open
Abstract
Introduction. Infection with the Rasamsonia argillacea species complex represents an emerging problem in human and veterinary medicine with systemic mycoses presenting with significant clinical complications and being a cause of death. Case presentation. In this report, a case of systemic Rasamsonia piperina infection discovered in a 3-year-old male neutered, German shepherd cross dog is described together with the clinical presentation, the course of the disease and diagnosis. This report describes the first case of veterinary mycosis due to R. piperina in Europe and the first case in humans or animals in the UK. Conclusion. Although seemingly rare, R. argillacea species complex infection should be a differential diagnosis for dogs, especially German shepherds with the described presenting signs, and radiographic and ultrasonographic findings.
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Affiliation(s)
- Joanna Lodzinska
- Hospital for Small Animals, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Roslin EH25 9RG, UK
| | - Paola Cazzini
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Roslin EH25 9RG, UK
| | - Claire S Taylor
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Roslin EH25 9RG, UK
| | - Jenifer Harris
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Roslin EH25 9RG, UK
| | | | - Tiziana Liuti
- Hospital for Small Animals, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Roslin EH25 9RG, UK
| | - Gavin K Paterson
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Roslin EH25 9RG, UK
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13
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Breheny CR, Fox V, Tamborini A, O'Halloran C, Robertson E, Cazzini P, Birn-Jeffery D, Henkin J, Schwartz T, Scase T, Powell R, Gunn-Moore D. Novel characteristics identified in two cases of feline cowpox virus infection. JFMS Open Rep 2017; 3:2055116917717191. [PMID: 28839944 PMCID: PMC5528940 DOI: 10.1177/2055116917717191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Case series summary This case series discusses novel characteristics identified in two cases of cowpox. One presented with upper airway signs, and was identified to have a focal laryngeal lesion. The other had central neurological signs at the terminal stages, with intracytoplasmic inclusion bodies identified within the cerebral hemispheres on histopathology. Relevance and novel information Currently, cowpox would be an unlikely consideration in patients with neurological signs or upper respiratory noise. These cases both document novel presentations of cowpox infection, which clinicians should be aware of and consider as differential diagnoses in patients with these atypical presentations.
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Affiliation(s)
- Craig R Breheny
- Hospital for Small Animals, Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK
| | | | | | - Conor O'Halloran
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK
| | | | - Paola Cazzini
- Easter Bush Pathology, University of Edinburgh, Edinburgh, UK
| | | | | | - Tobias Schwartz
- Hospital for Small Animals, Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK.,Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK
| | | | - Roger Powell
- Powell Torrance Diagnostic Services, Higham Gobion, UK
| | - Danièlle Gunn-Moore
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Edinburgh, UK
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14
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O'Connell KE, Bruce CJ, Cazzini P. Pathology in Practice. Eosinophilic keratitis in a cat. J Am Vet Med Assoc 2017; 251:165-167. [PMID: 28671492 DOI: 10.2460/javma.251.2.165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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15
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Martínez-Jiménez D, Garner B, Coutermarsh-Ott S, Burrell C, Clark S, Nabity M, Díaz-Delgado J, Rodrigues-Hoffmann A, Zaks K, Proença L, Divers S, Saba C, Cazzini P. Eosinophilic leukemia in three African pygmy hedgehogs (Atelerix albiventris) and validation of Luna stain. J Vet Diagn Invest 2017; 29:217-223. [DOI: 10.1177/1040638716687603] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Neoplasia is usually encountered in the African pygmy hedgehog at a mean age of 3.5 y, and malignancy is common. Myelogenous leukemias are rarely reported in hedgehogs. We describe 3 cases of eosinophilic leukemia in adult, middle-aged (mean age: 2.3 y) hedgehogs, for which prognosis appears grave. In 1 case, attempted treatment was unsuccessful, and in all 3 cases, the disease course was rapid and all died soon after diagnosis. Blood smear evaluation, along with complete blood count, was critical in making the diagnosis in all cases. Luna stain was validated and used to better visualize eosinophils in cytologic and histologic sections. Electron microscopy confirmed the presence of specific granules in hedgehog eosinophils.
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Affiliation(s)
- David Martínez-Jiménez
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Bridget Garner
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Sheryl Coutermarsh-Ott
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Caitlin Burrell
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Sabrina Clark
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Mary Nabity
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Josué Díaz-Delgado
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Aline Rodrigues-Hoffmann
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Karen Zaks
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Laila Proença
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Stephen Divers
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Corey Saba
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
| | - Paola Cazzini
- Loving Hands Animal Clinic (Martínez-Jiménez), Alpharetta, GA
- Departments of Pathology (Cazzini, Coutermarsh-Ott, Garner) and Small Animal Medicine and Surgery (Proença, Divers, Saba), College of Veterinary Medicine, University of Georgia, Athens, GA
- Departments of Small Animal Clinical Sciences (Burrell) and Veterinary Pathobiology (Clark, Nabity, Díaz-Delgado, Rodrigues-Hoffmann), College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX; and
- Department of Microbiology, Immunology and Pathology (Zaks), College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO. Current affiliations: Cumming Veterinary Clinic, Cumming, GA (Martínez-Jiménez)
- Easter Bush Pathology, Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, UK (Cazzini); and Smithsonian Conservation Biology Institute, Front Royal, VA (Burrell)
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16
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Cazzini P, Poon WYL, Waugh EM, Camus MS. Pathology in Practice. J Am Vet Med Assoc 2016; 249:1375-1378. [PMID: 27901463 DOI: 10.2460/javma.249.12.1375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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17
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Affiliation(s)
- Kelly O'Connell
- School of Veterinary Medicine, University of Glasgow, Glasgow, UK
| | - Josh Leach
- Veterinary Diagnostic Service, University of Glasgow, Glasgow, UK
| | - Katherine Berman
- Veterinary Diagnostic Service, University of Glasgow, Glasgow, UK
| | - Clare Knottenbelt
- Small Animal Teaching Hospital, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Paola Cazzini
- Veterinary Diagnostic Service, University of Glasgow, Glasgow, UK
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18
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Watson MK, Cazzini P, Mayer J, Gottdenker N, Reavill D, Parry N, Fox JG, Sakamoto K. Histology and immunohistochemistry of severe inflammatory bowel disease versus lymphoma in the ferret (Mustela putorius furo). J Vet Diagn Invest 2016; 28:198-206. [DOI: 10.1177/1040638716641156] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Inflammatory bowel disease (IBD) is a common disorder of ferrets ( Mustela putorius furo) that may progress to lymphoma. Although routine histology is used to distinguish between these diseases, misclassifications may occur. Immunohistochemistry (IHC) is commonly used to distinguish between IBD and lymphoma in small animals. The objective of our study was to determine the agreement in the diagnosis reached solely using hematoxylin and eosin (HE)-stained, full-thickness sections versus using a combination of HE and IHC. Enteric sections from 44 ferrets previously diagnosed with IBD or intestinal lymphoma and 3 control ferrets were analyzed by pathologists with expertise in ferrets. A pathologist blinded to the original diagnosis assessed the same HE-stained sections. Analysis was then repeated using HE sections in parallel with sections stained using antibodies against CD3 and CD79a. No significant difference was found between the original HE diagnosis and the HE diagnosis reached by the blinded pathologist ( p = 0.91) or between the blinded pathologist’s HE versus HE with IHC diagnosis ( p = 0.16). In the 2 cases where disagreement was present, IHC was pivotal in reaching a final diagnosis. There was no significant age ( p = 0.29) difference between diagnoses; however, significantly more male ferrets were affected with IBD than females ( p = 0.004). Immunophenotype of the lymphoma was not correlated with predilection for location in the intestinal wall ( p = 0.44). Results suggest that although IHC is not necessary to distinguish IBD from intestinal lymphoma in ferrets, it can be useful a definitive diagnosis in cases of severe IBD.
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Affiliation(s)
- Megan K. Watson
- College of Veterinary Medicine, University of Illinois, Urbana, IL (Watson)
- Royal (Dick) School of Veterinary Studies, Easter Bush Pathology, University of Edinburgh, Edinburgh, United Kingdom (Cazzini)
- College of Veterinary Medicine, University of Georgia, Athens, GA (Sakamoto, Gottdenker, Mayer)
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry)
- Zoo/Exotic Pathology Service, West Sacramento, CA (Reavill)
| | - Paola Cazzini
- College of Veterinary Medicine, University of Illinois, Urbana, IL (Watson)
- Royal (Dick) School of Veterinary Studies, Easter Bush Pathology, University of Edinburgh, Edinburgh, United Kingdom (Cazzini)
- College of Veterinary Medicine, University of Georgia, Athens, GA (Sakamoto, Gottdenker, Mayer)
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry)
- Zoo/Exotic Pathology Service, West Sacramento, CA (Reavill)
| | - Joerg Mayer
- College of Veterinary Medicine, University of Illinois, Urbana, IL (Watson)
- Royal (Dick) School of Veterinary Studies, Easter Bush Pathology, University of Edinburgh, Edinburgh, United Kingdom (Cazzini)
- College of Veterinary Medicine, University of Georgia, Athens, GA (Sakamoto, Gottdenker, Mayer)
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry)
- Zoo/Exotic Pathology Service, West Sacramento, CA (Reavill)
| | - Nicole Gottdenker
- College of Veterinary Medicine, University of Illinois, Urbana, IL (Watson)
- Royal (Dick) School of Veterinary Studies, Easter Bush Pathology, University of Edinburgh, Edinburgh, United Kingdom (Cazzini)
- College of Veterinary Medicine, University of Georgia, Athens, GA (Sakamoto, Gottdenker, Mayer)
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry)
- Zoo/Exotic Pathology Service, West Sacramento, CA (Reavill)
| | - Drury Reavill
- College of Veterinary Medicine, University of Illinois, Urbana, IL (Watson)
- Royal (Dick) School of Veterinary Studies, Easter Bush Pathology, University of Edinburgh, Edinburgh, United Kingdom (Cazzini)
- College of Veterinary Medicine, University of Georgia, Athens, GA (Sakamoto, Gottdenker, Mayer)
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry)
- Zoo/Exotic Pathology Service, West Sacramento, CA (Reavill)
| | - Nicola Parry
- College of Veterinary Medicine, University of Illinois, Urbana, IL (Watson)
- Royal (Dick) School of Veterinary Studies, Easter Bush Pathology, University of Edinburgh, Edinburgh, United Kingdom (Cazzini)
- College of Veterinary Medicine, University of Georgia, Athens, GA (Sakamoto, Gottdenker, Mayer)
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry)
- Zoo/Exotic Pathology Service, West Sacramento, CA (Reavill)
| | - James G. Fox
- College of Veterinary Medicine, University of Illinois, Urbana, IL (Watson)
- Royal (Dick) School of Veterinary Studies, Easter Bush Pathology, University of Edinburgh, Edinburgh, United Kingdom (Cazzini)
- College of Veterinary Medicine, University of Georgia, Athens, GA (Sakamoto, Gottdenker, Mayer)
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry)
- Zoo/Exotic Pathology Service, West Sacramento, CA (Reavill)
| | - Kaori Sakamoto
- College of Veterinary Medicine, University of Illinois, Urbana, IL (Watson)
- Royal (Dick) School of Veterinary Studies, Easter Bush Pathology, University of Edinburgh, Edinburgh, United Kingdom (Cazzini)
- College of Veterinary Medicine, University of Georgia, Athens, GA (Sakamoto, Gottdenker, Mayer)
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA (Fox, Parry)
- Zoo/Exotic Pathology Service, West Sacramento, CA (Reavill)
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Collicutt NB, Scherk JR, Harris RK, Camus MS, Cazzini P. Pathology in Practice. Metastatic osteosarcoma with vascular invasion and moderate, acute, diffuse, suppurative peritonitis. Jejunal metastasis of skeletal osteosarcoma in a dog. J Am Vet Med Assoc 2015; 246:1071-3. [PMID: 25932932 DOI: 10.2460/javma.246.10.1071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Nancy B Collicutt
- Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA 30602
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Cazzini P, Frontera-Acevedo K, Garner B, Howerth E, Torres B, Northrup N, Sakamoto K. Morphologic, molecular, and ultrastructural characterization of a feline synovial cell sarcoma and derived cell line. J Vet Diagn Invest 2015; 27:369-76. [PMID: 25901004 DOI: 10.1177/1040638715583529] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
A 2.5-year-old, male, neutered cat presented with a 5-month history of progressive right hind limb lameness and an enlarged right popliteal lymph node. Radiographs revealed significant bony lysis of the tarsus and distal tibia, and fine-needle aspirate of the bone lesion and lymph node revealed a neoplastic population of cells with uncertain origin. Amputation was elected, and the mass was submitted for histology and cellular culture for better characterization. Histologic examination revealed a mixture of spindle-shaped cells and larger, round to polygonal cells. All cells were immunoreactive for vimentin, and only the larger polygonal cells were also positive for cytokeratin. All cells were negative for desmin, smooth muscle actin, cluster of differentiation (CD)3, CD18, CD79a, macrophage antibody (MAC)387, and glial fibrillary acidic protein. Cultured neoplastic cells failed to express CD18, and were not able to secrete the pro-inflammatory cytokines tumor necrosis factor-α, interleukin-1 (IL-1)β, and IL-6 when stimulated by lipopolysaccharide, disproving that the cells originated from the macrophage or monocyte line. Ultrastructurally, neoplastic cells were characterized by abundant rough endoplasmic reticulum, interdigitating cellular processes, and membrane condensations. Based on location and cytologic, histologic, ultrastructural, and functional studies, this neoplasm was considered a synovial cell sarcoma.
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Affiliation(s)
- Paola Cazzini
- Departments of Pathology (Garner, Howerth, Sakamoto) College of Veterinary Medicine, University of Georgia, Athens, GASmall Animal Medicine and Surgery (Torres, Northrup), College of Veterinary Medicine, University of Georgia, Athens, GAUniversity of Glasgow, College of Medical, Veterinary and Life Sciences, Glasgow, United Kingdom (Cazzini)Department of Basic Veterinary Sciences, School of Veterinary Medicine, University of the West Indies, St. Augustine, Trinidad (Frontera-Acevedo)
| | - Karelma Frontera-Acevedo
- Departments of Pathology (Garner, Howerth, Sakamoto) College of Veterinary Medicine, University of Georgia, Athens, GASmall Animal Medicine and Surgery (Torres, Northrup), College of Veterinary Medicine, University of Georgia, Athens, GAUniversity of Glasgow, College of Medical, Veterinary and Life Sciences, Glasgow, United Kingdom (Cazzini)Department of Basic Veterinary Sciences, School of Veterinary Medicine, University of the West Indies, St. Augustine, Trinidad (Frontera-Acevedo)
| | - Bridget Garner
- Departments of Pathology (Garner, Howerth, Sakamoto) College of Veterinary Medicine, University of Georgia, Athens, GASmall Animal Medicine and Surgery (Torres, Northrup), College of Veterinary Medicine, University of Georgia, Athens, GAUniversity of Glasgow, College of Medical, Veterinary and Life Sciences, Glasgow, United Kingdom (Cazzini)Department of Basic Veterinary Sciences, School of Veterinary Medicine, University of the West Indies, St. Augustine, Trinidad (Frontera-Acevedo)
| | - Elizabeth Howerth
- Departments of Pathology (Garner, Howerth, Sakamoto) College of Veterinary Medicine, University of Georgia, Athens, GASmall Animal Medicine and Surgery (Torres, Northrup), College of Veterinary Medicine, University of Georgia, Athens, GAUniversity of Glasgow, College of Medical, Veterinary and Life Sciences, Glasgow, United Kingdom (Cazzini)Department of Basic Veterinary Sciences, School of Veterinary Medicine, University of the West Indies, St. Augustine, Trinidad (Frontera-Acevedo)
| | - Bryan Torres
- Departments of Pathology (Garner, Howerth, Sakamoto) College of Veterinary Medicine, University of Georgia, Athens, GASmall Animal Medicine and Surgery (Torres, Northrup), College of Veterinary Medicine, University of Georgia, Athens, GAUniversity of Glasgow, College of Medical, Veterinary and Life Sciences, Glasgow, United Kingdom (Cazzini)Department of Basic Veterinary Sciences, School of Veterinary Medicine, University of the West Indies, St. Augustine, Trinidad (Frontera-Acevedo)
| | - Nicole Northrup
- Departments of Pathology (Garner, Howerth, Sakamoto) College of Veterinary Medicine, University of Georgia, Athens, GASmall Animal Medicine and Surgery (Torres, Northrup), College of Veterinary Medicine, University of Georgia, Athens, GAUniversity of Glasgow, College of Medical, Veterinary and Life Sciences, Glasgow, United Kingdom (Cazzini)Department of Basic Veterinary Sciences, School of Veterinary Medicine, University of the West Indies, St. Augustine, Trinidad (Frontera-Acevedo)
| | - Kaori Sakamoto
- Departments of Pathology (Garner, Howerth, Sakamoto) College of Veterinary Medicine, University of Georgia, Athens, GASmall Animal Medicine and Surgery (Torres, Northrup), College of Veterinary Medicine, University of Georgia, Athens, GAUniversity of Glasgow, College of Medical, Veterinary and Life Sciences, Glasgow, United Kingdom (Cazzini)Department of Basic Veterinary Sciences, School of Veterinary Medicine, University of the West Indies, St. Augustine, Trinidad (Frontera-Acevedo)
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Herd HR, Cazzini P, Houghton SE, Lee WL, Freeman CE, Sakamoto K. Pathology in practice. Moderate, chronic-active, locally extensive, proliferative, erosive, and eosinophilic dermatitis, with parakeratotic hyperkeratosis and superficial spirochetal and rod-shaped bacteria. J Am Vet Med Assoc 2015; 246:749-51. [PMID: 25794124 DOI: 10.2460/javma.246.7.749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Heather R Herd
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078
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Meléndez-Lazo A, Cazzini P, Camus M, Doria-Torra G, Marco Valle AJ, Solano-Gallego L, Pastor J. Cell cannibalism by malignant neoplastic cells: three cases in dogs and a literature review. Vet Clin Pathol 2015; 44:287-94. [DOI: 10.1111/vcp.12242] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Antonio Meléndez-Lazo
- Departament de Medicina i Cirurgia Animals; Universitat Autònoma de Barcelona; Barcelona Spain
- Hospital Clínic Veterinari; Universitat Autònoma de Barcelona; Barcelona Spain
| | - Paola Cazzini
- Veterinary Diagnostic Services; Jarrett Building; College of Medical, Veterinary & Life Sciences; University of Glasgow; Glasgow UK
| | - Melinda Camus
- College of Veterinary Medicine; University of Georgia; Athens GA USA
| | - Georgina Doria-Torra
- Departament de Sanitat i Anatomia Animals; Universitat Autònoma de Barcelona; Barcelona Spain
| | | | - Laia Solano-Gallego
- Departament de Medicina i Cirurgia Animals; Universitat Autònoma de Barcelona; Barcelona Spain
| | - Josep Pastor
- Departament de Medicina i Cirurgia Animals; Universitat Autònoma de Barcelona; Barcelona Spain
- Hospital Clínic Veterinari; Universitat Autònoma de Barcelona; Barcelona Spain
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Affiliation(s)
- Paola Cazzini
- Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA. )
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Camus M, Cazzini P, Beck J, Bugbee A. What is your diagnosis? An endotracheal wash from a dyspneic 3-month-old female Labrador Retriever. Vet Clin Pathol 2013; 42:527-8. [DOI: 10.1111/vcp.12076] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Melinda Camus
- Department of Pathology; University of Georgia College of Veterinary Medicine; Athens GA USA
| | - Paola Cazzini
- Department of Pathology; University of Georgia College of Veterinary Medicine; Athens GA USA
| | - Jessica Beck
- Department of Pathology; University of Georgia College of Veterinary Medicine; Athens GA USA
| | - Andrew Bugbee
- Department of Small Animal Medicine and Surgery; University of Georgia College of Veterinary Medicine; Athens GA USA
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Affiliation(s)
- Paola Cazzini
- Department of Pathology; College of Veterinary Medicine, University of Georgia; Athens; GA; United States
| | - Victoria Elizabeth Watson
- Department of Pathology; College of Veterinary Medicine, University of Georgia; Athens; GA; United States
| | - Holly Moore Brown
- Department of Pathology; College of Veterinary Medicine, University of Georgia; Athens; GA; United States
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Watson VE, Murdock JH, Cazzini P, Schnellbacher R, Divers SJ, Sakamoto K. Retrobulbar adenocarcinoma in an Amazon parrot (Amazona autumnalis). J Vet Diagn Invest 2013; 25:273-6. [DOI: 10.1177/1040638712474817] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Retrobulbar neoplasms are not common in mammals and are even more infrequently seen in nonmammalian species. The current report describes a retrobulbar mass creating exophthalmia and neurologic signs in a red-lored Amazon parrot ( Amazona autumnalis). A 27-year-old female parrot presented for a 3-day history of anorexia and a 2-week history of periocular soft tissue swelling and exophthalmia of the right eye. Physical examination revealed 9% dehydration and right eye exophthalmia with inability to retropulse the globe. A fine-needle aspirate was performed, and cytologic evaluation revealed necrotic debris with scattered clusters of epithelial cells, moderate numbers of macrophages, and few heterophils. Given the possibility of neoplasia and paucity of treatment options, the owners elected euthanasia and submitted the body for necropsy. A large, fluctuant, friable, red, retrobulbar mass with multiple areas of hemorrhage, on cut surface, was noted at necropsy. Histologically, the mass was composed of neoplastic, cuboidal to columnar epithelial cells, forming rosette-like glandular structures, admixed with abundant necrotic debris. The neoplastic cells were strongly positive for cytokeratin (AE1/AE3) by immunohistochemistry. Based on histopathology and immunohistochemistry, the mass was diagnosed as an adenocarcinoma.
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Affiliation(s)
- Victoria E. Watson
- Departments of Pathology (Watson, Murdock, Cazzini, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA
- Small Animal Medicine and Surgery (Schnellbacher, Divers), College of Veterinary Medicine, University of Georgia, Athens, GA
| | - Jessica H. Murdock
- Departments of Pathology (Watson, Murdock, Cazzini, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA
- Small Animal Medicine and Surgery (Schnellbacher, Divers), College of Veterinary Medicine, University of Georgia, Athens, GA
| | - Paola Cazzini
- Departments of Pathology (Watson, Murdock, Cazzini, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA
- Small Animal Medicine and Surgery (Schnellbacher, Divers), College of Veterinary Medicine, University of Georgia, Athens, GA
| | - Rodney Schnellbacher
- Departments of Pathology (Watson, Murdock, Cazzini, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA
- Small Animal Medicine and Surgery (Schnellbacher, Divers), College of Veterinary Medicine, University of Georgia, Athens, GA
| | - Stephen J. Divers
- Departments of Pathology (Watson, Murdock, Cazzini, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA
- Small Animal Medicine and Surgery (Schnellbacher, Divers), College of Veterinary Medicine, University of Georgia, Athens, GA
| | - Kaori Sakamoto
- Departments of Pathology (Watson, Murdock, Cazzini, Sakamoto), College of Veterinary Medicine, University of Georgia, Athens, GA
- Small Animal Medicine and Surgery (Schnellbacher, Divers), College of Veterinary Medicine, University of Georgia, Athens, GA
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Nemeth NM, Blas-Machado U, Cazzini P, Oguni J, Camus MS, Dockery KK, Butler AM. Well-differentiated hepatocellular carcinoma in a ring-tailed lemur (Lemur catta). J Comp Pathol 2012; 148:283-7. [PMID: 22819017 DOI: 10.1016/j.jcpa.2012.05.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Revised: 04/16/2012] [Accepted: 05/18/2012] [Indexed: 10/28/2022]
Abstract
A 16-year-old male ring-tailed lemur (Lemur catta) was presented with severe cachexia and an abdominal mass. The encapsulated, multilobular mass replaced the right medial lobe of the liver and compressed the adjacent gall bladder. Multiple haemorrhages and necrotic foci were found within the mass. Microscopically, neoplastic cells formed cords of moderately pleomorphic, polygonal cells with mild to moderate anaplasia. Immunohistochemical markers used for diagnosis of hepatocellular carcinomas in man were used to characterize the neoplastic cells, which expressed hepatocyte-specific antigen, but not glypican-3 or polyclonal carcinoembryonic antigen. Gross, microscopical and immunohistochemical features of the tumour were most consistent with a well-differentiated hepatocellular carcinoma. Although this tumour is common among prosimians, to the authors' knowledge this is the first documented case in a ring-tailed lemur. Hepatocellular carcinomas have been associated with hepatitis virus infections and excessive hepatic iron in man; however, no association was established between this tumour and viral infection or hepatic iron storage disease in the present case.
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Affiliation(s)
- N M Nemeth
- Department of Pathology, College of Veterinary Medicine, University of Georgia, 501 D.W. Brooks Drive, Athens, GA 30602, USA
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