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https://www.readbyqxmd.com/read/27920841/wolffian-origin-of-vagina-unfolds-the-embryopathogenesis-of-ohvira-obstructed-hemivagina-and-ipsilateral-renal-anomaly-syndrome-and-places-ohvira-as-a-female-counterpart-of-zinner-syndrome-in-males
#1
Yashant Aswani, Ravi Varma, Pradeep Choudhary, Reeta B Gupta
BACKGROUND: The classical theory of Müllerian origin of upper vagina fails to explain complex urogenital malformations like OHVIRA syndrome; the Acien's hypothesis, however, unravels the hidden embryopathogenesis. As per Acien, Wolffian (mesonephric) ducts instead of Müllerian ducts and sinovaginal bulbs, give rise to the vagina. The new hypothesis, however, retains the concept of origin of the ureters (with ureters inducing renal development) by the former and the uterus by Müllerian ducts...
2016: Polish Journal of Radiology
https://www.readbyqxmd.com/read/27915419/necrotizing-meningoencephalitis-caused-by-sarcocystis-falcatula-in-bare-faced-ibis-phimosus-infuscatus
#2
Guilherme Konradt, Matheus Viezzer Bianchi, Ronaldo Viana Leite-Filho, Bruna Zafalon da Silva, Rodrigo Martins Soares, Saulo Petinatti Pavarini, David Driemeier
The infection by S. falcatula is commonly associated with respiratory disease in captive psittacine birds, with a few case reports of this protozoan causing encephalitis in wild birds. We describe the clinical, pathological, and molecular aspects of an infection by S. falcatula in a bare-faced ibis (Phimosus infuscatus). Clinically, wing paralysis and mild motor incoordination were observed. At necropsy, the telencephalic cortex showed multifocal to coalescing yellowish soft areas. Histologically, multifocal to coalescent nonsuppurative necrotizing meningoencephalitis of telencephalic cortex, cerebellum, and brainstem was observed...
December 3, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27812655/genotyping-of-toxoplasma-gondii-and-sarcocystis-spp-in-road-killed-wild-mammals-from-the-central-western-region-of-the-state-of-s%C3%A3-o-paulo-brazil
#3
Virgínia Bodelão Richini-Pereira, Pâmela Merlo Marson, Rodrigo Costa da Silva, Helio Langoni
INTRODUCTION: Road-killed wild animals host zoonotic pathogens such as Toxoplasma gondii, offering a new opportunity for the epidemiological study of these infectious organisms. METHODS: This investigation aimed to determine the presence of T. gondii and other apicomplexan parasites in tissue samples of 64 road-killed wild animals, using polymerase chain reaction (PCR). Positive samples were then typed by PCR-restriction fragment length polymorphism (RFLP) using 7 markers: SAG1, 5'-3'SAG2, SAG3, BTUB, c29-6, PK1, and Apico...
September 2016: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/27692317/lungworm-heterostrongylus-heterostrongylus-travassos-1925-from-the-black-eared-opossum-in-south-america-morphologic-histopathological-and-phylogenetic-aspects
#4
Sócrates Fraga da Costa Neto, Raquel de Oliveira Simões, Éster Maria Mota, Roberto do Val Vilela, Eduardo José Lopes Torres, Helene Santos Barbosa, Rosana Gentile, Arnaldo Maldonado Junior
Nematode parasites of the cardiopulmonary system of livestock and pet animals have been receiving attention due to the pathogenic effects they produce in the course of the infection. However, parasitism in wild animals by metastrongilid nematodes has been neglected, resulting in potential risk to wildlife. Heterostrongylus heterostrongylus is the etiological agent of bronchial pneumonia in the black-eared opossum, Didelphis aurita, a widely distributed marsupial frequently reported to inhabit areas from wild environments to peri-urban spaces...
September 15, 2016: Veterinary Parasitology
https://www.readbyqxmd.com/read/27691942/leishmania-spp-in-didelphis-spp-from-northeastern-brazil
#5
Edson Moura Silva, Leucio Câmara Alves, Neurisvan Ramos Guerra, Márcia Paula Oliveira Farias, Elton Luiz Ritir Oliveira, Ricardo César de Souza, Carneiro da Cunha, Rafael Antonio Nascimento Ramos, Wagnner José Nascimento Porto
The synanthropic behavior of marsupials of the genus Didelphis in endemic areas of leishmaniasis suggests that these animals may play an important role in the epidemiology of this infection. The aim of the present study was to detect Leishmania spp. DNA in Didelphis albiventris (white-eared opossum) and Didelphis aurita (big-eared opossum) living in forested and peridomestic areas of northeastern Brazil. Blood samples were collected from 25 animals (23 D. albiventris and 2 D. aurita ) by cardiac puncture and then analyzed via PCR...
September 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/27678605/total-laparoscopic-nerve-sparing-radical-hysterectomy-for-cervical-cancer-and-retossigmoidectomy-for-deep-intestinal-endometriosis-in-a-patient-with-uterus-didelphys
#6
R Ribeiro, W Kondo, Luz M A, R M Hayashi, Mtz Kondo
No abstract text is available yet for this article.
November 2015: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/27639266/placental-malperfusion-as-a-possible-mechanism-of-preterm-birth-in-patients-with-m%C3%A3-llerian-anomalies
#7
Jovana Lekovich, Joshua Stewart, Sarah Anderson, Erin Niemasik, Nigel Pereira, Stephen Chasen
OBJECTIVE: Müllerian anomalies are associated with increased risk of miscarriage, intrauterine growth restriction (IUGR) and preterm birth. While a commonly implicated cause is restricted expansion of endometrial cavity, alternatively it could be due to abnormal placentation. We sought to examine clinical and histopathologic factors associated with preterm delivery in women with Müllerian anomalies. STUDY DESIGN: One hundred and eleven singleton pregnancies in 85 women were analyzed retrospectively...
August 17, 2016: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/27631688/infection-by-leishmania-spp-in-free-ranging-opossums-didelphis-albiventris-in-an-environmentally-protected-area-inhabited-by-humans-in-southeastern-brazil
#8
Laís Moraes Paiz, Maria Rita Donalisio, Virgínia Bodelão Richini-Pereira, Gabriela Motoie, Claudio Luiz Castagna, José Eduardo Tolezano
There is a growing concern about the participation of wild hosts and reservoirs in the epidemiology of leishmaniasis, particularly within the context of increasingly frequent environmental changes and the expansion of the One Health concept. This work is a molecular research of infection by Leishmania spp. among the wildlife of an environmentally protected area located in the municipality of Campinas, São Paulo, Brazil. The studied area has a history of intense environmental changes, with notifications of human cases of cutaneous leishmaniasis in the 1990s, and a focus of canine visceral leishmaniasis since 2009...
September 15, 2016: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/27629555/metal-accumulation-in-bobcats-in-the-southeastern-usa
#9
Rachel K Thomason, J Mitchell Lockhart, W J Loughry, Gretchen K Bielmyer-Fraser
Bobcats (Lynx rufus) are wide-ranging mammals found throughout the continental USA. As carnivores near the top of their food chain, bobcats would seem to be a useful bioindicator of metal pollution in terrestrial environments. However, there is very limited research on bobcats in toxicology studies. Here, we offer the first analysis of metal (copper, selenium, silver, and zinc) contaminants in the livers of wild bobcats. Liver tissues from 120 adult bobcats (i.e., estimated to be ≥1 year old) were collected from 2003 to 2006 at four sites in Georgia and Florida, USA that experienced relatively similar levels of human disturbance...
December 0: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27583267/an-uncommon-case-of-sarcomatoid-urothelial-carcinoma-in-covered-bladder-exstrophy
#10
Carlo Pavone, Marco Vella, Dario Fontana, Cristina Scalici Gesolfo, Sebastiano Oieni, Francesca Toia, Adriana Cordova
We report a case of a woman affected by covered exstrophy, uterus didelphys and external genital malformation presenting with advanced bladder cancer. After neoadjuvant therapy and anterior pelvic exenteration, the abdominal wall was reconstructed with a pedicled myocutaneous muscle-sparing vastus lateralis flap.
2016: Case Reports in Plastic Surgery & Hand Surgery
https://www.readbyqxmd.com/read/27537367/rickettsial-infections-among-ctenocephalides-felis-and-host-animals-during-a-flea-borne-rickettsioses-outbreak-in-orange-county-california
#11
Alice N Maina, Carrie Fogarty, Laura Krueger, Kevin R Macaluso, Antony Odhiambo, Kiet Nguyen, Christina M Farris, Alison Luce-Fedrow, Stephen Bennett, Ju Jiang, Sokanary Sun, Robert F Cummings, Allen L Richards
Due to a resurgence of flea-borne rickettsioses in Orange County, California, we investigated the etiologies of rickettsial infections of Ctenocephalides felis, the predominant fleas species obtained from opossums (Didelphis virginiana) and domestic cats (Felis catus), collected from case exposure sites and other areas in Orange County. In addition, we assessed the prevalence of IgG antibodies against spotted fever group (SFGR) and typhus group (TGR) rickettsiae in opossum sera. Of the 597 flea specimens collected from opossums and cats, 37...
2016: PloS One
https://www.readbyqxmd.com/read/27500327/unilateral-human-papillomavirus-infection-and-cervical-dysplasia-in-a-patient-with-two-cervices
#12
Harneet Gujral, Jennifer A Bennett, Kelly N Wright
BACKGROUND: In a uterine didelphys with two cervices, cervical screening may not reveal the same abnormalities. CASE: We present a patient with a uterine didelphys with two cervices in a single vagina after resection of a longitudinal vaginal septum at age 12. She presented with abnormal Pap test results with the right and left cervices discordant from each other. Despite both cervices sharing stroma in the midline, her right cervix was negative for human papillomavirus (HPV) and dysplasia, while her left cervix was HPV positive with high-grade cervical dysplasia on an excisional specimen...
September 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27466877/laparoscopic-hemi-hysterectomy-and-trachelectomy-in-a-case-of-herlyn-werner-wunderlich-syndrome
#13
Entidhar Al Sawah, Shayne M Plosker, Emad Mikhail
BACKGROUND: Herlyn-Werner-Wunderlich Syndrome (HWWS) is a rare Müllerian anomaly characterized by uterus didelphys coexisting with an obstructed hemivagina and ipsilateral renal agenesis. CASE: A 13-year-old female presented one-year after menarche with severe dysmenorrhea and a right-sided pelvic mass. Imaging identified a right uterus with hematometra, hematocolpos, absent right kidney, normal left kidney, ureter, left uterus, and vagina compressed to the left by right hematocolpos...
July 29, 2016: Surgical Technology International
https://www.readbyqxmd.com/read/27430919/postmortem-scavenging-by-the-virginia-opossum-didelphis-virginiana-impact-on-taphonomic-assemblages-and-progression
#14
Kama A King, Wayne D Lord, Heather R Ketchum, R Christopher O'Brien
The Virginia opossum (Didelphis virginiana) is a highly active scavenger whose behavior has significant impacts on rates of decomposition and skeletonization, which have previously not been addressed. In this study, scavenging by the opossum led to the skeletonization of carcasses in half of the accumulated degree days (ADD) of a comparable non-scavenged control carcass. Opossums used body orifices, as well as natural tears caused by the decomposition process, to access internal tissues and consume them. This activity resulted in little movement of the carcass and the retained appearance of natural undisturbed decomposition...
September 2016: Forensic Science International
https://www.readbyqxmd.com/read/27424375/severe-hemoperitoneum-during-pregnancy-with-obstructed-hemivagina-and-ipsilateral-renal-anomaly-syndrome-a-case-report
#15
Ayako Muraoka, Hiroyuki Tsuda, Tomomi Kotani, Fumitaka Kikkawa
BACKGROUND: Müllerian tract anomalies have been reported in 2-3% of females. Uterus didelphys, obstructed hemivagina, and ipsilateral renal agenesis (OHVIRA) syndrome is a rare condition, with only a few cases of the syndrome occurring during pregnancy having been reported. CASE: A 35-year-old, nulli-gravid woman at 18 weeks of gestation was referred due to cervical incompetence. Her first symptom was genital bleeding. Ultrasonography and MRI led to the diagnosis of OHVIRA syndrome, and pregnancy was confirmed on the affected side with the amniotic sac found to be protruding from the cervix into the vaginal cavity...
May 2016: Journal of Reproductive Medicine
https://www.readbyqxmd.com/read/27402585/unusual-association-between-cardiac-skeletal-urogenital-and-renal-abnormalities
#16
Maria Goryaeva, Mark Christopher Sykes, Benjamin Lau, Simon West
We present a 33-year-old woman with an array of congenital abnormalities. She has been diagnosed with polycystic kidney disease (PCKD) with no detectable mutations in PKD1 or PKD2, spina bifida occulta, thoracic skeletal abnormalities, a uterus didelphys and a patent foramen ovale (PFO). There are several associations reported in the literature that include abnormalities similar to the patient's, but none describe her presentation in its entirety. The MURCS association is characterised by (MU)llerian duct aplasia, (R)enal dysplasia and (C)ervical (S)omite anomalies and goes some way in explaining these condition...
2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27342702/comparative-myology-and-evolution-of-marsupials-and-other-vertebrates-with-notes-on-complexity-bauplan-and-scala-naturae
#17
Rui Diogo, Gaelle Bello-Hellegouarch, Tiana Kohlsdorf, Borja Esteve-Altava, Julia L Molnar
Opossums are frequent subjects of developmental studies because marsupials share developmental features not seen in placentals and because Didelphimorpha is the sister-group of other extant Marsupialia. But is the adult marsupial muscular system markedly different from that of placentals or is it, like the skeletal system, very similar? We provide, for the first time, a brief description of all head and limb muscles of Didelphis virginiana based on our dissections and using a unifying nomenclature by integrating the data gathered in our long-term project on the development, homologies, and evolution of the muscles of all major vertebrate taxa...
September 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27336371/which-factors-determine-spatial-segregation-in-the-south-american-opossums-didelphis-aurita-and-d-albiventris-an-ecological-niche-modelling-and-geometric-morphometrics-approach
#18
Nilton Carlos Cáceres, Marcelo de Moraes Weber, Geruza Leal Melo, Carlo Meloro, Jonas Sponchiado, Renan Dos Santos Carvalho, Jamile de Moura Bubadué
Didelphis albiventris and D. aurita are Neotropical marsupials that share a unique evolutionary history and both are largely distributed throughout South America, being primarily allopatric throughout their ranges. In the Araucaria moist forest of Southern Brazil these species are sympatric and they might potentially compete having similar ecology. For this reason, they are ideal biological models to address questions about ecological character displacement and how closely related species might share their geographic space...
2016: PloS One
https://www.readbyqxmd.com/read/27321900/longitudinal-vaginal-septum-resection-using-the-ligasure-device
#19
Gisselle Perez-Milicua, Julie Hakim, Oluyemisi Adeyemi, Jennifer E Dietrich
BACKGROUND: A longitudinal vaginal septum might present as a nonobstructive or obstructive type. Both can result in dyspareunia, difficult tampon insertion, persistent vaginal bleeding despite tampon placement, and dysmenorrhea. Surgical correction is warranted for symptomatic cases. CASE: We present a 16-year-old female adolescent with a complex cloacal anomaly, uterine didelphys, longitudinal vaginal septum, and other congenital anomalies. The patient was unable to use tampons during menses because of the small caliber on both vaginal canals...
June 16, 2016: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/27276663/serological-evidence-of-exposure-to-tick-borne-agents-in-opossums-didelphis-spp-in-the-state-of-s%C3%A3-o-paulo-brazil
#20
Andréia Lima Tomé Melo, Daniel Moura de Aguiar, Mariana Granziera Spolidorio, Natalino Hajime Yoshinari, Eliana Reiko Matushima, Marcelo Bahia Labruna, Mauricio Claudio Horta
This work involved a serological investigation of tick-borne pathogens in opossums in eight municipalities of the state of São Paulo, Brazil. Serum samples from 109 opossums (91 Didelphis aurita and 18 Didelphis albiventris) were tested to detect antibodies to Rickettsia rickettsii (Taiaçu strain, 1:64 cut-off) and Ehrlichia canis (São Paulo strain, 1:40 cut-off), by indirect immunofluorescence assay (IFA); and against Borrelia burgdorferi (strain G39/40) by enzyme-linked immunosorbent assay (ELISA). The presence of antibodies to anti-R...
June 7, 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
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