1
|
Holanda AGA, Cortez DEA, Queiroz GFD, Matera JM. Applicability of thermography for cancer diagnosis in small animals. J Therm Biol 2023; 114:103561. [PMID: 37344014 DOI: 10.1016/j.jtherbio.2023.103561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 12/25/2021] [Revised: 03/30/2023] [Accepted: 04/04/2023] [Indexed: 06/23/2023]
Abstract
Medical thermography is an imaging test used to monitor skin surface temperature. Although it is not a recent technique, significant advances have been made since the 2000s with the equipment modernization, leading to its popularization. In cancer diagnosis, the application of thermography is supported by the difference in thermal distribution between neoplastic processes and adjacent healthy tissue. The mechanisms involved in heat production by cancer cells include neoangiogenesis, increased metabolic rate, vasodilation, and the release of nitric oxide and pro-inflammatory substances. Currently, thermography has been widely studied in humans as a screening tool for skin and breast cancer, with positive results. In veterinary medicine, the technique has shown promise and has been described for skin and soft tissue tumors in felines, mammary gland tumors, osteosarcoma, mast cell tumors, and perianal tumors in dogs. This review discusses the fundamentals of the technique, monitoring conditions, and the role of thermography as a complementary diagnostic tool for cancer in veterinary medicine, as well as future perspectives for improvement.
Collapse
Affiliation(s)
| | | | | | - Julia Maria Matera
- Department of Surgery, Faculty of Veterinary Medicine and Animal Science, University of São Paulo (USP), São Paulo, SP, Brazil
| |
Collapse
|
2
|
Macedo TR, de Queiroz GF, Casagrande TAC, Alexandre PA, Brandão PE, Fukumasu H, Melo SR, Dagli MLZ, Pinto ACBCF, Matera JM. Imatinib Mesylate for the Treatment of Canine Mast Cell Tumors: Assessment of the Response and Adverse Events in Comparison with the Conventional Therapy with Vinblastine and Prednisone. Cells 2022; 11:cells11030571. [PMID: 35159380 PMCID: PMC8834544 DOI: 10.3390/cells11030571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/14/2022] [Accepted: 01/20/2022] [Indexed: 11/16/2022] Open
Abstract
Mast cell tumors (MCTs) are common neoplasms in dogs, and treatments for these diseases include surgery, polychemotherapy and targeted therapy with tyrosine kinase inhibitors. This study aimed to evaluate the response and the adverse events of treatment with imatinib mesylate (IM) compared to conventional therapy using vinblastine and prednisolone (VP) in canine cutaneous MCTs. Twenty-four dogs were included in the study; 13 animals were treated with IM and 11 with VP. Tumor tissue samples were submitted for histological diagnosis, grading and KIT immunostaining. The response to treatment was assessed by tomographic measurements according to VCOG criteria. Adverse events were classified according to VCOG-CTCAE criteria. The IM and VP groups had dogs with similar breeds, gender, ages, MCT localization, WHO stages and lymph node metastasis profiles. Most MCTs were grade 2/low and had KIT- patterns 2 and 3. The objective response rate (ORR) was significantly higher (30.79%) in the IM group then in VP group (9.09%). Adverse events (AE) in IM group were all grade 1, significantly different from VP. In conclusion, IM presented better ORR and less severe adverse events when compared to VP, representing a suitable option for the treatment of low-grade canine MCTs.
Collapse
Affiliation(s)
- Thais Rodrigues Macedo
- Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-010, Brazil; (T.R.M.); (S.R.M.); (A.C.B.C.F.P.); (J.M.M.)
| | - Genilson Fernandes de Queiroz
- Department of Animal Science, Federal Rural University of Semi-Arid, Mossoró 59625-900, Brazil
- Correspondence: ; Tel.: +55-1130917712
| | | | - Pâmela Almeida Alexandre
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-010, Brazil; (P.A.A.); (P.E.B.)
| | - Paulo Eduardo Brandão
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-010, Brazil; (P.A.A.); (P.E.B.)
| | - Heidge Fukumasu
- Laboratory of Comparative and Translational Oncology (LOCT), Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of Sao Paulo, Pirassununga 13635-900, Brazil;
| | - Samanta Rios Melo
- Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-010, Brazil; (T.R.M.); (S.R.M.); (A.C.B.C.F.P.); (J.M.M.)
| | - Maria Lucia Zaidan Dagli
- Laboratory of Experimental and Comparative Oncology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-010, Brazil;
| | - Ana Carolina B. C. Fonseca Pinto
- Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-010, Brazil; (T.R.M.); (S.R.M.); (A.C.B.C.F.P.); (J.M.M.)
| | - Julia Maria Matera
- Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508-010, Brazil; (T.R.M.); (S.R.M.); (A.C.B.C.F.P.); (J.M.M.)
| |
Collapse
|
3
|
Sonaly de Moura Borges R, Barbalho de Macêdo L, de Macêdo Medeiros A, Fernandes de Queiroz G, Franco de Oliveira M, Eduardo Bezerra de Moura C. Stereology of spix's yellow-toothed cavy brain (Galea spixii, WAGLER, 1831). AVB 2018. [DOI: 10.21708/avb.2018.12.3.7876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
|
4
|
Dobson J, de Queiroz GF, Golding JP. Photodynamic therapy and diagnosis: Principles and comparative aspects. Vet J 2018; 233:8-18. [DOI: 10.1016/j.tvjl.2017.11.012] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 08/22/2017] [Accepted: 11/21/2017] [Indexed: 12/16/2022]
|
5
|
Queiroz GFD, Macêdo LB, Chaves HSDA, Paula VVD, Matera JM, Vale AMD, Modesto Junior J. Effects of leptin and adinopectin on cardiovascular, respiratory and haematological systems of healthy dogs. AVB 2017. [DOI: 10.21708/avb.2017.11.0.6896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
|
6
|
Queiroz GFD, Silva TDMF, Filgueira KD, Oliveira MFD, Chaves HSDA, Campos GCDO, Oliveira GBD, Macêdo LBD, Pimentel MML, Olinda RG, Miglino MA. Morphometric Alteration of Intestinal Epithelium of Rats (Rattus norvegicus) Submitted to the Technique of Enteropexy. ACTA SCI VET 2016. [DOI: 10.22456/1679-9216.81105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Background: Due to the numerous complications that enteropexy may cause in domestic animals and humans, this study aimed at investigating the microscopic level, the damage generated by this technique in mice, in order to investigate the morphometric changes caused by enteropexy technique in rats.Materials, Methods & Results: Eighteen Wistar rats were submitted to surgical technique of enteropexy. To evaluate intestinal disorders they were euthanized at 30 (Group I), 60 (group II) and 90 (group III) days after the procedure. The animals were perfused with 2.5% glutaraldehyde and 4% paraformaldehyde for the removal of intestinal fragments for analysis in conventional microscopy and scanning electron microscopy. In classical histopathology, group I presented mild lesions with necrosis of the epithelium and infiltration of mononuclear cells. After 60 days, extensive ischemic necrosis area was observed, characterized by the denudation of epithelium cells and cellular debris in the lumen surface and loss of intestinal crypts. After 90 days (group III) lesions were evident and were characterized by strong coagulative necrosis of epithelial cells and intestinal crypts. Under electron microscopy, group I showed early fusion of the adjacent intestinal walls. After 60 days there was adherence of luminal stenosis and intestinal walls. In group III loss of epithelium and substitution of necrotic tissue were identified.Discussion: In the current study it was noticed microscopically that the groups had inflammatory reactions to foreign bodies. It is known that the sutures, independent of manufacture, behave as foreign bodies that induce tissue inflammation of the recipient organism and could harm the scar repair. Among the surgical threads, the nylon type (which was chosen for the current experiment) is indicated in the approach tissues in general and bandages, including cardiovascular, ophthalmic and neurological procedures. This category wire induces minimal inflammation of the receptor tissue. In studies of the histopathological analysis of the tissue reactions produced by the wire implant or nylon thread clamp in rats, it was observed that when the local action of two implants were compared, inflammation showed qualitatively similar responses, although they had different characteristics regarding their course. Inflammation is proportional to the proliferation of fibroblasts and the presence of fibrous tissue around the suture. This quote confirms the analyzed samples, in which, in all postoperative times showed inflammatory process, although at different magnitudes. Surgical research in laboratory animals has expanded in recent decades, mainly due to better anesthetic support, the sophistication of infrastructure, material for perioperative continuous monitoring and an incessant search for species that reproduce human morbid conditions. The main focus of these studies have been improving the knowledge about the pathophysiological mechanisms of disease, undertake therapeutic trials with new drugs, studying biomarkers and evaluate new techniques to be applied prospects in man. The most common sites of occurrence of intestinal are ileocolic intussusception junction and jejunojejunal segment. The enteroplication has been used to reduce the occurrence of intussusception, promoting the adhesion of the adjacent serosa layers of intestinal segments and thereby decreasing intestinal motility, their applicability is reported in humans, dogs and cats. The enteropexy technique causes morphological changes in intestinal epithelium of rats, evidenced in conventional and electron microscopy, progress with the passing of time the procedure.
Collapse
|
7
|
Queiroz GFD, Franchini ML, Garcez Neto AF, Matera JM. Fator de crescimento do endotélio vascular no soro e plasma de cães saudáveis. Braz J Vet Res Anim Sci 2014. [DOI: 10.11606/issn.2318-3659.v50i5p359-363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
8
|
de Queiroz GF, Dagli MLZ, Fukumasu H, Zavala AAZ, Matera JM. Vascular endothelial growth factor expression and microvascular density in soft tissue sarcomas in dogs. J Vet Diagn Invest 2010; 22:105-8. [PMID: 20093695 DOI: 10.1177/104063871002200121] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The aim of the current study was to evaluate the expression of vascular endothelial growth factor (VEGF) and the microvascular density in canine soft-tissue sarcomas. Immunohistochemistry for VEGF expression was performed on 20 canine neoplasms by the streptavidin-biotin-peroxidase method using an anti-VEGF mouse monoclonal antibody (ab-119). The volume fraction of microvessels in the sarcomas was quantified in hematoxylin and eosin-stained tissue sections. At least 10 fields of view (40x magnification) per neoplasm were analyzed by positioning a grid with 100 points and counting the microvessels that fell into the intersection points. This percentage was considered the volume fraction of these microvessels in the tumor section. VEGF expression was detected in 65% of the neoplasms. In 92.3% of the neoplasms, the expression occurred in the peritumor region; in 46.15%, in the intratumor region; and in 38.46%, the expression was present in both regions. The cells responsible for VEGF expression were fibroblasts and macrophages in the peritumor region or in the pseudocapsule and neoplastic cells in the intratumor region. Greater intratumoral VEGF was expressed in hemangiopericytomas (P = 0.04). No difference was present in the volume fraction of tumor microvessels between VEGF-positive and VEGF-negative neoplasms (P = 0.3416) or for the different types of neoplasms (P = 0.5). The results of this study suggest that VEGF participates in the angiogenesis of soft-tissue sarcoma in dogs. Additional research will be necessary to elucidate the contribution of VEGF to the progression of malignancy.
Collapse
Affiliation(s)
- Genilson Fernandes de Queiroz
- Av. Prof. Orlando M. de Paiva, 87, Departamento de Clínica Cirúrgica, Cidade Universitária, São Paulo, SP, CEP: 05508-000
| | | | | | | | | |
Collapse
|