First Record of Helminth Parasitism in the Rodent (Dinomys branickii) in Brazil Lizandra Fernandes-Silva, Ana Paula Carvalho Gomes, Maria Laura Mendes Morais, Mell Mosqueira da Mota Borges, Renan Mendes Pires Moreira, Maitê Cardoso Coelho da Silva, Maykko Antônyo Bravo de Paula, Silvia Roberta Cieslak-Sanches, Lucas de Souza Quevedo, Ísis Assis Braga, Anah Tereza de Almeida Jácomo, Leandro Silveira, Tiago Jácomo Silveira, Dirceu Guilherme de Souza Ramos Parasitologia, 2025 The pacarana (Dinomys branickii) is a typical rodent of the Amazonian biome crepuscular habits, feeding on fruits, leaves, and roots. However, studies on these animals, inhabiting behaviors, and their parasites are limited. This study aimed to report the parasites found in fecal samples and a dead specimen of D. branickii in the Brazilian Cerrado. In 2023, fecal samples from five animals were collected and examined using flotation and simple sedimentation techniques for the identification of parasitic eggs. In 2025, a necropsy was performed on a decreased animal. Fecal samples of all animals were positive for eggs of Strongyloides spp., with two cases of co-infection with Oxyuroidea eggs and one with Trichuris sp. eggs. The Wellcomia branickii found during necropsy is a specific helminth of the pacaranas gastrointestinal tract. The natural geographical range of D. branickii is in the Western Amazon. Its introduction in the Cerrado, although for conservation purposes, reinforces the potential for this translocated species to disseminate non-native parasites outside its natural range.
Contribution of public oral pathology services to the diagnosis of oral and oropharyngeal cancer in Brazil Brendo Vinicius Rodrigues LOUREDO, Maria Paula CURADO, Paulo Victor Mendes PENAFORT, José Alcides Almeida DE ARRUDA, Lucas Guimarães ABREU, Ricardo Alves MESQUITA, Décio dos Santos PINTO-JÚNIOR, Aline Corrêa ABRAHÃO, Bruno Augusto Benevenuto de ANDRADE, Michelle AGOSTINI, Renata Mendonça MORAES, Ana Lia ANBINDER, Pedro Henrique Silva DOURADO, Teresa Cristina Ribeiro Bartholomeu dos SANTOS, Fábio Ramoa PIRES, Natalia Cristina Trentin BORDIGNON, Rogério Oliveira GONDAK, Marcia Gaiger DE OLIVEIRA, Vinicius Coelho CARRARD, Manoela Domingues MARTINS, Sebastião Silvério SOUSA-NETO, Diego Antônio Costa ARANTES, Elismauro Francisco MENDONÇA, Silvia Roberta CIESLAK-SANCHES, Daniella Moraes ANTUNES, Gleyson Kleber do AMARAL-SILVA, Patricia Rubia MANIERI, Luciana Maria Pedreira RAMALHO, Jean Nunes DOS SANTOS, Augusto César Leal da Silva LEONEL, Danyel Elias da Cruz PEREZ, Hannah Carmem Carlos Ribeiro Silva VERHEUL, Keila Martha Amorim BARROSO, Flávia Luiza Santos RODRIGUES, Amanda Katarinny Goes GONZAGA, Romana Renery FERNANDES, Lélia Batista DE SOUZA, Lucas Lacerda de SOUZA, Flávia Sirotheau Corrêa PONTES, Hélder Antônio Rebelo PONTES, Caroline Alfaia SILVA, Jeconias CÂMARA, Tatiana Nayara LIBÓRIO-KIMURA, Alan Roger SANTOS-SILVA, Márcio Ajudarte LOPES, Oslei Paes de ALMEIDA, Mário José ROMAÑACH, Pablo Agustin VARGAS Brazilian Oral Research, 2023 This study aimed to evaluate the contribution of oral and maxillofacial pathology laboratories (OMPLs) in Brazilian public universities to the diagnosis of lip, oral cavity, and oropharyngeal squamous cell carcinoma (SCC). A cross-sectional study was performed using biopsy records from a consortium of sixteen public OMPLs from all regions of Brazil (North, Northeast, Central-West, Southeast, and South). Clinical and demographic data of patients diagnosed with lip, oral cavity, and oropharyngeal SCC between 2010 and 2019 were collected from the patients' histopathological records. Of the 120,010 oral and maxillofacial biopsies (2010-2019), 6.9% (8,321 cases) were diagnosed as lip (0.8%, 951 cases), oral cavity (4.9%, 5,971 cases), and oropharyngeal (1.2%, 1,399 cases) SCCs. Most cases were from Brazil's Southeast (64.5%), where six of the OMPLs analyzed are located. The predominant profile of patients with lip and oral cavity SCC was Caucasian men, with a mean age over 60 years, low schooling level, and a previous history of heavy tobacco consumption. In the oropharyngeal group, the majority were non-Caucasian men, with a mean age under 60 years, had a low education level, and were former/current tobacco and alcohol users. According to data from the Brazilian National Cancer Institute, approximately 9.9% of the total lip, oral cavity, and oropharyngeal SCCs reported over the last decade in Brazil may have been diagnosed at the OMPLs included in the current study. Therefore, this data confirms the contribution of public OMPLs with respect to the important diagnostic support they provide to the oral healthcare services extended by the Brazilian Public Health System.
Weight and age at puberty and their correlations with morphometric measurements in crossbred breed Suffolk ewe lambs Janine de Campos Ferra, Silvia Cieslak, Roberto Sartori Filho, Connie McManus, Carlos Frederico Martins, José Robson Bezerra Sereno Revista Brasileira De Zootecnia, 2010 The objective of this study was to identify and to correlate parameters that characterize puberty and estimate the age and weight of Suffolk ewe lambs in Mato Grosso do Sul. This study was carried out with twenty-two Suffolk ewe lambs for 256 days. Blood samples were collected from the jugular vein and centrifugated and the plasma were stored at -20°C until analysis of progesterone (P4) concentration by radioimmunoassay (RIA). The morphometric measurements included: head length and width, body length, elbow height, chest perimeter, back-sternal diameter, croup length, width and height, cannon bone perimeter and shoulder and hip width, using a tape. The animals became pubertal when the plasma progesterone concentration was >1.0 ng/mL, at 34.1 ± 5.2 kg and 39.5 ± 8.5 weeks of age. Meanwhile, the lambs that did not reach puberty (37.7 ± 11.4 weeks of age) were lighter. The morphometric measurements has medium to low correlations with age and weight at puberty.
