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Colman K, Andrews RN, Atkins H, Boulineau T, Bradley A, Braendli-Baiocco A, Capobianco R, Caudell D, Cline M, Doi T, Ernst R, van Esch E, Everitt J, Fant P, Gruebbel MM, Mecklenburg L, Miller AD, Nikula KJ, Satake S, Schwartz J, Sharma A, Shimoi A, Sobry C, Taylor I, Vemireddi V, Vidal J, Wood C, Vahle JL. International Harmonization of Nomenclature and Diagnostic Criteria (INHAND): Non-proliferative and Proliferative Lesions of the Non-human Primate ( M. fascicularis). J Toxicol Pathol 2021; 34:1S-182S. [PMID: 34712008 PMCID: PMC8544165 DOI: 10.1293/tox.34.1s] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The INHAND (International Harmonization of Nomenclature and Diagnostic Criteria for Lesions Project (www.toxpath.org/inhand.asp) is a joint initiative of the Societies of Toxicologic Pathology from Europe (ESTP), Great Britain (BSTP), Japan (JSTP) and North America (STP) to develop an internationally accepted nomenclature for proliferative and nonproliferative lesions in laboratory animals. The purpose of this publication is to provide a standardized nomenclature for classifying microscopic lesions observed in most tissues and organs from the nonhuman primate used in nonclinical safety studies. Some of the lesions are illustrated by color photomicrographs. The standardized nomenclature presented in this document is also available electronically on the internet (http://www.goreni.org/). Sources of material included histopathology databases from government, academia, and industrial laboratories throughout the world. Content includes spontaneous lesions as well as lesions induced by exposure to test materials. Relevant infectious and parasitic lesions are included as well. A widely accepted and utilized international harmonization of nomenclature for lesions in laboratory animals will provide a common language among regulatory and scientific research organizations in different countries and increase and enrich international exchanges of information among toxicologists and pathologists.
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Affiliation(s)
- Karyn Colman
- Novartis Institutes for BioMedical Research, Cambridge, MA,
USA
| | - Rachel N. Andrews
- Wake Forest School of Medicine, Department of Radiation
Oncology, Winston-Salem, NC, USA
| | - Hannah Atkins
- Penn State College of Medicine, Department of Comparative
Medicine, Hershey, PA, USA
| | | | - Alys Bradley
- Charles River Laboratories Edinburgh Ltd., Tranent,
Scotland, UK
| | - Annamaria Braendli-Baiocco
- Roche Pharma Research and Early Development, Pharmaceutical
Sciences, Roche Innovation Center Basel, Switzerland
| | - Raffaella Capobianco
- Janssen Research & Development, a Division of Janssen
Pharmaceutica NV, Beerse, Belgium
| | - David Caudell
- Department of Pathology, Section on Comparative Medicine,
Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Mark Cline
- Department of Pathology, Section on Comparative Medicine,
Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Takuya Doi
- LSIM Safety Institute Corporation, Ibaraki, Japan
| | | | | | - Jeffrey Everitt
- Department of Pathology, Duke University School of
Medicine, Durham, NC, USA
| | | | | | | | - Andew D. Miller
- Cornell University College of Veterinary Medicine, Ithaca,
NY, USA
| | | | - Shigeru Satake
- Shin Nippon Biomedical Laboratories, Ltd., Kagoshima and
Tokyo, Japan
| | | | - Alok Sharma
- Covance Laboratories, Inc., Madison, WI, USA
| | | | | | | | | | | | - Charles Wood
- Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT,
USA
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Li WT, Chang HW, Jeng CR, Liu CH, Wang FI, Chang LJ, Pang VF. Concurrent spindle-cell thymoma and thymic cysts in a Barbary sheep (Ammotragus lervia): case report and review of the literature. J Vet Diagn Invest 2016; 28:744-749. [PMID: 27698165 DOI: 10.1177/1040638716665352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
An ~21-year-old female Barbary sheep (Ammotragus lervia) died spontaneously following a lengthy episode of difficulty in walking. An ~6 × 3 × 3 cm, unilocular cystic growth was found in the cranioventral thorax. The fibrotic cystic wall, lined by a single layer of flattened to cuboidal epithelial cells, was invaginated and partially encircled solid masses of fusiform neoplastic cells with multiple intratumoral cystic structures. The fusiform neoplastic cells were intensely positive for cytokeratin (CK) and partially positive for α-smooth muscle actin and vimentin, but negative for thyroid transcription factor-1 (TTF-1) and neuron-specific enolase (NSE). The intratumoral cysts were lined by CK-positive but TTF-1- negative, NSE-negative, flattened, cuboidal to columnar epithelial cells, suggestive of cystically dilated medullary duct epithelium-derived structures. Based on the location and histopathologic findings of the growth, concurrent spindle-cell thymoma and thymic cysts was diagnosed. We also discuss the correlation between thymic cysts and thymoma and review the literature of thymomas in ovine and wildlife species.
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Affiliation(s)
- Wen-Ta Li
- Graduate Institute of Molecular and Comparative Pathobiology, School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan (Li, HW Chang, Jeng, Liu, Wang)Veterinary Office, Taipei Zoo, Taipei, Taiwan (LJ Chang)
| | - Hui-Wen Chang
- Graduate Institute of Molecular and Comparative Pathobiology, School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan (Li, HW Chang, Jeng, Liu, Wang)Veterinary Office, Taipei Zoo, Taipei, Taiwan (LJ Chang)
| | - Chian-Ren Jeng
- Graduate Institute of Molecular and Comparative Pathobiology, School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan (Li, HW Chang, Jeng, Liu, Wang)Veterinary Office, Taipei Zoo, Taipei, Taiwan (LJ Chang)
| | - Chen-Hsuan Liu
- Graduate Institute of Molecular and Comparative Pathobiology, School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan (Li, HW Chang, Jeng, Liu, Wang)Veterinary Office, Taipei Zoo, Taipei, Taiwan (LJ Chang)
| | - Fun-In Wang
- Graduate Institute of Molecular and Comparative Pathobiology, School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan (Li, HW Chang, Jeng, Liu, Wang)Veterinary Office, Taipei Zoo, Taipei, Taiwan (LJ Chang)
| | - Li-Jen Chang
- Graduate Institute of Molecular and Comparative Pathobiology, School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan (Li, HW Chang, Jeng, Liu, Wang)Veterinary Office, Taipei Zoo, Taipei, Taiwan (LJ Chang)
| | - Victor Fei Pang
- Graduate Institute of Molecular and Comparative Pathobiology, School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan (Li, HW Chang, Jeng, Liu, Wang)Veterinary Office, Taipei Zoo, Taipei, Taiwan (LJ Chang)
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Marx A, Porubsky S, Belharazem D, Saruhan-Direskeneli G, Schalke B, Ströbel P, Weis CA. Thymoma related myasthenia gravis in humans and potential animal models. Exp Neurol 2015; 270:55-65. [PMID: 25700911 DOI: 10.1016/j.expneurol.2015.02.010] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 01/16/2015] [Accepted: 02/04/2015] [Indexed: 02/06/2023]
Abstract
Thymoma-associated Myasthenia gravis (TAMG) is one of the anti-acetylcholine receptor MG (AChR-MG) subtypes. The clinico-pathological features of TAMG and its pathogenesis are described here in comparison with pathogenetic models suggested for the more common non-thymoma AChR-MG subtypes, early onset MG and late onset MG. Emphasis is put on the role of abnormal intratumorous T cell selection and activation, lack of intratumorous myoid cells and regulatory T cells as well as deficient expression of the autoimmune regulator (AIRE) by neoplastic thymic epithelial cells. We review spontaneous and genetically engineered thymoma models in a spectrum of animals and the extensive clinical and immunological overlap between canine, feline and human TAMG. Finally, limitations and perspectives of the transplantation of human and murine thymoma tissue into nude mice, as potential models for TAMG, are addressed.
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Affiliation(s)
- Alexander Marx
- Institute of Pathology, University Medical Centre Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 13, D-68167 Mannheim, Germany.
| | - Stefan Porubsky
- Institute of Pathology, University Medical Centre Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 13, D-68167 Mannheim, Germany
| | - Djeda Belharazem
- Institute of Pathology, University Medical Centre Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 13, D-68167 Mannheim, Germany
| | - Güher Saruhan-Direskeneli
- Department of Physiology, Istanbul Faculty of Medicine, Istanbul University, Capa 34093, Istanbul, Turkey.
| | - Berthold Schalke
- Department of Neurology, Bezirkskrankenhaus, University of Regensburg, D-93042 Regensburg, Germany.
| | - Philipp Ströbel
- Institute of Pathology, University of Göttingen, Robert-Koch-Str. 40, D-37075 Göttingen, Germany.
| | - Cleo-Aron Weis
- Institute of Pathology, University Medical Centre Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 13, D-68167 Mannheim, Germany.
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Allan K, Masters N, Rivers S, Berry K, Routh A, Lamm C. T-lymphocyte-rich thymoma and myasthenia gravis in a Siberian tiger (Panthera tigris altaica). J Comp Pathol 2014; 150:345-9. [PMID: 24444818 PMCID: PMC3989117 DOI: 10.1016/j.jcpa.2013.11.204] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Revised: 09/23/2013] [Accepted: 11/19/2013] [Indexed: 11/21/2022]
Abstract
A 10-year-old captive male Siberian tiger (Panthera tigris altaica) presented with acute onset collapse, vomiting and dyspnoea, preceded by a 6-month period of progressive muscle wasting. Following humane destruction, post-mortem examination revealed a large multilobulated mass in the cranial mediastinum, which was diagnosed as a T-lymphocyte-rich thymoma with the aid of immunohistochemistry. Retrospective serology for acetylcholine receptor antibodies (titre 3.90 nmol/l) confirmed a diagnosis of thymoma-associated myasthenia gravis. Thymomas are reported rarely in wild carnivores, but when detected they appear to be similar in morphology to those seen in domestic carnivores and may also be accompanied by paraneoplastic syndromes. The clinical signs of myasthenia gravis in the tiger were consistent with those reported in cats and dogs and the condition is proposed as an important differential diagnosis for generalized weakness in captive Felidae.
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Affiliation(s)
- K Allan
- School of Veterinary Medicine, University of Glasgow, Bearsden Road, Glasgow G61 1QH, UK.
| | - N Masters
- Zoological Society of London, Regent's Park, London NW1 4RY, UK
| | - S Rivers
- Abbey Veterinary Services, 89 Queen Street, Newton Abbot, Devon TQ12 2BG, UK
| | - K Berry
- ZSL Whipsnade Zoo, Dunstable, Bedfordshire LU6 2LF, UK
| | - A Routh
- Zoological Society of London, Regent's Park, London NW1 4RY, UK
| | - C Lamm
- School of Veterinary Medicine, University of Glasgow, Bearsden Road, Glasgow G61 1QH, UK
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