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1.
J Eur Acad Dermatol Venereol ; 38(1): 186-190, 2024 Jan.
Article in English | MEDLINE | ID: mdl-37528497

ABSTRACT

BACKGROUND: Penile cancer is rising in most European countries. Several risk factors have been identified, namely human papillomavirus (HPV) infection. However, the exact role of HPV in penile cancer carcinogenesis is still unknown. Clarifying the contribution of HPV in penile cancer is crucial as it may improve prevention and treatment strategies. OBJECTIVE: To describe the characteristics of patients with penile cancer and penile intraepithelial neoplasia (PeIN), evaluate the prevalence of HPV-DNA in tumour tissue and identify differences between patients with and without HPV-DNA. METHODS: A retrospective observational study including patients with histological diagnosis of penile squamous cell carcinoma (SCC) or PeIN between 2012 and 2021 in a university hospital was carried out. HPV analysis was performed using Anyplex™ II HPV28 Detection that detects and identifies 28 HPV types. (sensitivity of 95.9%). RESULTS: A total of 25 patients were included. Most of the tumours identified were invasive SCC (n = 11) and SCC in situ (PeIN 3) (n = 8). PeIN1/2 was found in the remaining six patients. HPV-DNA was tested in all tissue specimens and was detected in 18 of them. High risk HPV DNA was identified in all positive HPV samples, except one. HPV types included in the nonavalent HPV vaccine were identified in 16 of the 18 samples positive for HPV-DNA. Stratifying patients according to HPV-DNA detection, we found that patients with HPV-DNA were younger (57.5 years vs. 70 years, p = 0.047), less likely to have phimosis (5.8% vs. 42.9%, p = 0.022) and more likely to have PeIN lesions than invasive SCC (85.7% vs. 27.8%, p = 0.025). CONCLUSION: This study shows a prevalence of HPV-DNA in penile SCC and premalignant lesions of 45.5% and 92.9%, respectively. Identifying HPV involvement in SCC and PeIN pathology has the potential to guide treatment and enhance follow-up strategies.


Subject(s)
Carcinoma in Situ , Carcinoma, Squamous Cell , Papillomavirus Infections , Penile Neoplasms , Skin Neoplasms , Humans , Male , Carcinoma in Situ/epidemiology , Carcinoma in Situ/pathology , Carcinoma, Squamous Cell/pathology , DNA , Papillomaviridae/genetics , Papillomavirus Infections/complications , Papillomavirus Infections/epidemiology , Penile Neoplasms/complications , Penile Neoplasms/epidemiology , Penile Neoplasms/pathology , Penis/pathology , Skin Neoplasms/pathology , Retrospective Studies
2.
Dermatol Online J ; 27(6)2021 Jun 15.
Article in English | MEDLINE | ID: mdl-34387056

ABSTRACT

Focal epithelial hyperplasia is a rare, benign, and asymptomatic disorder, characterized by soft papules on the oral cavity. It is primarily associated with human papillomavirus genotypes 13 and 32. It most commonly affects children and young adults. When it affects young adults, it is important to differentiate it from oral condyloma acuminata. Its diagnosis may be made clinically, but histologic examination and PCR genotyping are often useful. Treatment is not always mandatory.


Subject(s)
Focal Epithelial Hyperplasia/pathology , Adult , Humans , Male , Young Adult
3.
J Eur Acad Dermatol Venereol ; 35(10): 2007-2021, 2021 Oct.
Article in English | MEDLINE | ID: mdl-34146427

ABSTRACT

In the late 90s, a sharp increase of treatment failures of Trichomonas vaginalis (TV) infections with metronidazole (MTZ) was reported, representing a problem due to limited treatment options. We proposed to review the available evidence on the frequency of MTZ resistance by TV isolates and the relationship between treatment failure and in vitro resistance to MTZ. A systematic review based on the PRISMA guidelines was conducted by searching published studies in three different databases (PubMed, Scopus and Web of Science) up to December 2020. The extracted studies were uploaded to Covidence software; screening was guided based on inclusion and exclusion criteria. Additionally, different articles were included through other sources. For each article, study design, objectives, study population and key outcomes were summarized. We found 403 references from the databases and four extra studies. After duplicate removal and screening of title, abstract and full text, 27 studies were included. The selected studies were published between 1983 and 2019; all except one addressed only vaginal TV infection. We identified four major populations in vitro MTZ resistance: two studies evaluated female adolescents; other two assessed HIV-positive women. Fifteen studies considered MTZ resistance in newly diagnosed vaginal TV infection. Finally, eight articles studied in vitro susceptibility of isolates from women with clinical resistant trichomoniasis. High level of in vitro MTZ resistance was rare; low-moderate level was described in most of the cases. Although clinical resistance to MTZ of trichomoniasis was widely reported, there was a paucity of prospective controlled studies. Our review unveiled the need to standardize susceptibility testing, to define breakpoints for detection of MTZ-resistant isolates and to correlate with clinical outcome. It is important to establish criteria to define clinical resistance to MTZ. Such a consensus would foster the development of surveillance studies about clinical and microbiological response to MTZ treatment.


Subject(s)
Trichomonas Infections , Trichomonas Vaginitis , Trichomonas vaginalis , Adolescent , Drug Resistance , Female , Humans , Metronidazole/pharmacology , Prospective Studies , Trichomonas Infections/drug therapy , Trichomonas Vaginitis/drug therapy
4.
J Eur Acad Dermatol Venereol ; 34(11): 2613-2619, 2020 Nov.
Article in English | MEDLINE | ID: mdl-32713086

ABSTRACT

BACKGROUND: Genital warts are the most common sexually transmitted infection (STI) and are caused by human papillomavirus (HPV). Persistent anal infection by oncogenic genotypes of HPV is a determinant for anal cancer. Currently, anal cancer screening is not widely implemented. OBJECTIVES: Our aim is to evaluate the role of perianal warts as a risk marker for anal high-risk (HR) HPV detection and anal dysplasia. METHODS: In this observational, retrospective, cohort study of attendees of a STI outpatient clinic between January 2010 and June 2018, all human immunodeficiency virus (HIV)-positive men who have sex with men (MSM) who performed anal cytology, anal HPV DNA detection and anoscopy were included. A comparison was made between patients with and without perianal warts. Primary endpoint: proportion of patients with an abnormal anal cytology. Secondary endpoints: proportion of patients with (i) anal HR-HPV detection; (ii) anal HPV 16 detection; (iii) abnormal anal biopsy; and (iv) anal high-grade squamous intraepithelial lesion (HSIL). RESULTS: Seventy-eight individuals were included: 39 with perianal warts and 39 without perianal warts. Subjects with perianal warts more frequently had an abnormal anal cytology (71.8% vs. 38.5%; P = 0.003). This group also had a higher rate of anal HPV 16 detection (38.5% vs. 12.8%; P = 0.01). No differences were detected in the proportion of patients with anal HR-HPV detection, with an abnormal anal biopsy or with anal HSIL. Perianal warts was an independent risk factor for an abnormal anal cytology (OR: 7.2) and for anal HPV 16 detection (OR: 6.7). CONCLUSION: Given the high risk of anal cancer in HIV-positive MSM, effective screening strategies are greatly needed. This study suggests that the presence of perianal warts is a suitable risk marker for anal HPV 16 detection and anal dysplasia.


Subject(s)
Alphapapillomavirus , Anus Neoplasms , Condylomata Acuminata , HIV Infections , Papillomavirus Infections , Sexual and Gender Minorities , Anus Neoplasms/diagnosis , Anus Neoplasms/epidemiology , Cohort Studies , Condylomata Acuminata/complications , Condylomata Acuminata/diagnosis , Condylomata Acuminata/epidemiology , Homosexuality, Male , Humans , Male , Papillomaviridae/genetics , Papillomavirus Infections/complications , Papillomavirus Infections/diagnosis , Papillomavirus Infections/epidemiology , Retrospective Studies
5.
Actas dermo-sifiliogr. (Ed. impr.) ; 109(7): e6-e10, sept. 2018. ilus
Article in Spanish | IBECS | ID: ibc-175647

ABSTRACT

Tanto la pitiriasis liquenoide y varioliforme aguda como la pitiriasis liquenoide crónica representan 2 extremos de un espectro de enfermedad de etiología desconocida. En este trabajo se describen 2 casos de pitiriasis liquenoide y varioliforme aguda, en los que se detectó ADN de virus herpes humano tipo 7 en muestras de piel mediante la metodología de reacción en cadena de la polimerasa, una asociación no descrita previamente. Este manuscrito puede apoyar la participación de la infección viral en la etiopatogenia de esta enfermedad


Pityriasis lichenoides et varioliformis acuta and pityriasis lichenoides chronica represent 2 ends of a disease spectrum of unknown etiology. Herein we describe 2 cases of pityriasis lichenoides et varioliformis acuta, in which human herpesvirus 7 DNA was detected in skin samples by polymerase chain reaction methodology, an association not previously described. This report may support the involvement of viral infection in the etiopathogeny of this disease


Subject(s)
Humans , Male , Female , Adult , Herpesviridae Infections/virology , Herpesvirus 7, Human/isolation & purification , Pityriasis Lichenoides/virology , DNA, Viral/analysis , Diagnosis, Differential , Herpesviridae Infections/diagnosis , Herpesvirus 7, Human/genetics , Herpesvirus 7, Human/pathogenicity , Pityriasis Lichenoides/pathology , Reverse Transcriptase Polymerase Chain Reaction
6.
Int J Oral Maxillofac Surg ; 47(11): 1389-1397, 2018 Nov.
Article in English | MEDLINE | ID: mdl-29907265

ABSTRACT

The aim of this systematic review was to evaluate the effects of mandibular advancement or setback surgery on the facial soft tissue assessed using three-dimensional images. An electronic search was performed in the MEDLINE, Cochrane Library, Scopus, Virtual Health Library (VHL), Web of Science, and OpenGrey databases. Inclusion criteria comprised studies that evaluated the soft tissues of adult patients before and after mandibular advancement or setback surgery using computed tomography or magnetic resonance imaging. The risk of bias was analyzed. A total of 3501 studies were retrieved. The titles and abstracts of 2071 studies were read and 2040 of them were excluded. Thirty-one articles were read in full and six fulfilled the eligibility criteria and were included. A meta-analysis was performed using three of these articles. The correlation was significant and strong in the chin area (r=0.876 and r=0.868) and moderate for the lower lip/lower incisor (r=0.690). The ratio for lower lip/infradentale was 78% and for Pog'/Pog was 98%. Due to the limited number of articles included, there is weak evidence to infer that changes in the facial soft tissue due to mandibular advancement or setback are significant, but changes in the lower lip tend to be smaller than changes in the chin area.


Subject(s)
Face/anatomy & histology , Face/diagnostic imaging , Imaging, Three-Dimensional , Magnetic Resonance Imaging , Mandibular Advancement , Prognathism/diagnostic imaging , Prognathism/surgery , Tomography, X-Ray Computed , Humans
8.
Actas Dermosifiliogr (Engl Ed) ; 109(7): e6-e10, 2018 Sep.
Article in English, Spanish | MEDLINE | ID: mdl-29221609

ABSTRACT

Pityriasis lichenoides et varioliformis acuta and pityriasis lichenoides chronica represent 2 ends of a disease spectrum of unknown etiology. Herein we describe 2 cases of pityriasis lichenoides et varioliformis acuta, in which human herpesvirus 7 DNA was detected in skin samples by polymerase chain reaction methodology, an association not previously described. This report may support the involvement of viral infection in the etiopathogeny of this disease.


Subject(s)
Herpesviridae Infections/virology , Herpesvirus 7, Human/isolation & purification , Pityriasis Lichenoides/virology , Adult , DNA, Viral/analysis , Diagnosis, Differential , Female , Herpesviridae Infections/diagnosis , Herpesvirus 7, Human/genetics , Herpesvirus 7, Human/pathogenicity , Humans , Male , Pityriasis Lichenoides/pathology , Reverse Transcriptase Polymerase Chain Reaction
9.
J Eur Acad Dermatol Venereol ; 31(8): 1342-1348, 2017 Aug.
Article in English | MEDLINE | ID: mdl-28485812

ABSTRACT

BACKGROUND: Anogenital warts (AGW) are one of the most prevalent sexually transmitted disease worldwide. Approximately, 90% of AGWs are related to infection by HPV 6 and 11. However, AGW have been associated with infection by multiple genotypes, including HR-HPV, which may be associated with a long-term increased risk of anogenital cancer. OBJECTIVE: This observational prospective epidemiological study aims to estimate the type-specific HPV distribution on incident AGWs in both genders, and additionally to assess the frequency of anal and oral HPV infection in patients with AGWs. METHODS: According to defined inclusion criteria, individuals with incident clinical diagnosis of AGWs were recruited in seven Portuguese Centres. HPV genotyping was performed using CLART HPV2 test. RESULTS: Between November 2012 and March 2014, 162 women and 400 men (mean age: 34 years), were enrolled. After exclusion of patients with unqualified AGW samples, HPV was detected in 95.3% (505/530) AGW patients, 96.8% males and 91.6% females. Among men who have sex with men, HPV was detected in 98.5% patients. HPV 6 and/or HPV 11 were the most frequent genotypes (87.5%), and HPV 16 the most common HR-HPV (9.2%). Infection with HPV 6/11 and any HR-HPV was observed in 35.8% patients. HPV prevalence on the anal canal and oral mucosa was 83.1% and 15.0%, respectively. CONCLUSION: Incident AGWs were more frequent in males than in females. LR-HPVs were more common among males and HR-HPVs among females. HPV 6 and 11 were the most common genotypes on both genders. However, there was also a high prevalence of HR-HPVs, particularly of HPV 16. AGWs represent a clinical marker of both anal and oral HPV infections, including anal HR-HPV infections in women and men who have sex with men. The HERCOLES study could be a clue to further investigations concerning HPV burden of disease by gender and sexual behaviour.


Subject(s)
Anus Diseases/epidemiology , Condylomata Acuminata/epidemiology , Genital Diseases, Female/epidemiology , Genital Diseases, Male/epidemiology , Papillomaviridae/isolation & purification , Adult , Anus Diseases/virology , Condylomata Acuminata/virology , Female , Genital Diseases, Female/virology , Genital Diseases, Male/virology , Humans , Male , Middle Aged , Portugal/epidemiology , Prospective Studies
11.
Interação psicol ; 20(3): 341-352, set.-dez. 2016. ilus, tab, graf
Article in Portuguese | Index Psychology - journals | ID: psi-69587

ABSTRACT

O bullying está associado a consequências negativas para o desenvolvimento infantil. Encontra-se naliteratura estudos recentes propondo intervenções para o manejo do bullying. Este estudo teve comoobjetivo apresentar uma revisão sistemática da literatura de 2002 a 201 2 sobre intervenções para obullying na infância, que resultou em 1 9 artigos científicos. Dois juízes analisaram o objetivo, aabordagem teórica, a temática e os aspectos metodológicos das intervenções. A maioria objetivou adiminuição dos índices de bullying, ocorreu na escola, em grupo, envolvendo toda a escola. Constatou-sediversidade de instrumentos de avaliação, e dificuldades em identificar modelos teóricos dasintervenções, além de nenhum estudo realizado com crianças pré-escolares. São sugeridas possibilidadesde pesquisas futuras acerca de intervenções para o bullying(AU)


Subject(s)
Bullying/psychology , Review Literature as Topic , Psychology, Child
12.
J Eur Acad Dermatol Venereol ; 30(10): 1805-1809, 2016 Oct.
Article in English | MEDLINE | ID: mdl-27329618

ABSTRACT

BACKGROUND: Current treatment guidelines for early stages of syphilis are the same regardless of HIV serostatus. There is still controversy about the best treatment for syphilis in HIV patients and the current recommendations are based on limited data. OBJECTIVE: The primary goal of this study was to compare the serological response rates to a single dose vs. three weekly doses of benzathine penicillin G (BPG) in HIV-infected patients with early syphilis and to assess the adequacy of current recommendations. METHODS: Clinical and laboratory data of HIV patients with early syphilis treated in Sexually Transmitted Disease Clinic between January 2000 and December 2014 were recorded. A good serological response was defined as a ≥4-fold decline in Venereal Disease Research Laboratory (VDRL) titre within 12 months after treatment. Serological failure was defined as a lack of at least fourfold decrease in VDRL titres within 12 months after treatment. RESULTS: After applying inclusion and exclusion criteria, 60 patients were enrolled in the study. Seventeen (28.3%) patients were treated with a single dose of BPG, while in 43 (71.7%) patients, three weekly doses were used. Fifty eight (96.7%) had a good serological response at 12 months and seroconversion was confirmed in 29 (48.3%) patients. There was no statistically significant difference between the two treatment groups regarding serological response, seroconversion rate and the time needed to obtain a good serological response. Furthermore, treatment response was not affected by the number of CD4 cells. CONCLUSIONS: The results of our study support the current international treatment guidelines, recommending early syphilis treatment with a single dose of BPG in HIV patients.


Subject(s)
HIV Infections/complications , Penicillin G Benzathine/administration & dosage , Syphilis/drug therapy , Adult , Aged , Drug Administration Schedule , Female , Humans , Male , Middle Aged , Syphilis/complications , Young Adult
13.
Eur J Clin Microbiol Infect Dis ; 35(2): 169-74, 2016 Feb.
Article in English | MEDLINE | ID: mdl-26581424

ABSTRACT

Although several studies have reported an increase of syphilis incidence over the last decade in Western Europe, information concerning syphilis epidemiology in Portugal remains scarce. Therefore, we sought to characterise acquired syphilis-associated hospitalisations in Portugal according to demographic and clinical data. We used a database containing all hospitalisations that occurred in mainland Portugal public hospitals with discharges between 2000 and 2014. We analysed all hospitalisations associated with ICD-9-CM codes 091-097.x (corresponding to acquired syphilis diagnosis) concerning inpatients' gender, age and comorbidities. The median length of stay and in-hospital mortality rates were also studied. Between 2000 and 2014, there were a total of 8974 syphilis-related hospitalisations in mainland Portugal. The rate of acquired syphilis hospitalisations per 100,000 inhabitants increased by 33 % during the studied period. Syphilis hospitalisation rates increased by 70 % in males and 139 % among patients aged over 55 years. On the other hand, they declined by 10 % in females and 20 % among patients younger than 55 years old. The percentage of syphilis episodes presenting cardiovascular and neuropsychiatric comorbidities increased, while the percentage of syphilis episodes presenting HIV co-infection decreased by 69 %. A fatal outcome was reported in 5 % of episodes; 4.6 % of them had acquired syphilis as the main reason for hospitalisation. This study illustrates that, despite being a preventable infection, syphilis remains a public health problem. The analysis of hospitalisation and administrative data helps to understand syphilis epidemiology and provides a supplement to traditional case notifications.


Subject(s)
Hospital Mortality , Hospitalization/statistics & numerical data , Syphilis/epidemiology , Adolescent , Adult , Aged , Coinfection , Female , Humans , Male , Middle Aged , Portugal/epidemiology , Syphilis/microbiology , Syphilis/mortality , Treponema pallidum , Young Adult
14.
Int J Oral Maxillofac Surg ; 45(4): 460-71, 2016 Apr.
Article in English | MEDLINE | ID: mdl-26616028

ABSTRACT

The objective of this systematic review was to evaluate the effect of different types of orthognathic surgery on the dimensions of the upper airways assessed using three-dimensional images. An electronic search was performed in Cochrane Library, Medline, Scopus, VHL, Web of Science, and the System for Information on Grey Literature in Europe, ending January 2015. Inclusion criteria encompassed clinical studies in humans, patient age >15 years, patients submitted to maxillary or mandibular advancement or setback surgery, isolated or in combination, and presentation of airway measures, specifically volume and/or minimum cross-sectional area (CSA), obtained from computed tomography or magnetic resonance imaging. Additional searches were conducted on the references of included articles and in the NLM catalogue. An assessment of the risk of bias was performed. A total of 1180 studies were retrieved, of which 28 met the eligibility criteria; one was later excluded as it presented a high risk of bias. A meta-analysis was performed. There is moderate evidence to conclude that the upper airway minimum CSA increases significantly (124.13 mm(2)) after maxillomandibular advancement (MMA); the total volume increases significantly after MMA (7416.10mm(3)) and decreases significantly after maxillary advancement+mandibular setback (-1552.90 mm(3)) and isolated mandibular setback (-1894.65 mm(3)).


Subject(s)
Diagnostic Imaging , Imaging, Three-Dimensional , Mouth/anatomy & histology , Orthognathic Surgical Procedures , Palate/anatomy & histology , Pharynx/anatomy & histology , Humans
16.
Interação psicol ; 19(3): 371-383, set.-dez. 2015. tab, ilus
Article in Portuguese | Index Psychology - journals | ID: psi-69142

ABSTRACT

Os problemas emocionais e comportamentais infantis têm sido alvo de crescente investigação devido a sua alta estabilidade e por precederem os transtornos psicopatológicos na vida adulta. Esse estudo objetivou investigar o papel mediador do vínculo de apego na relação entre práticas parentais e problemas externalizantes (agressividade/delinquência) e internalizantes (retraimento social/ansiedade/depres-são). Um total de 289 crianças (M = 10,5 anos, DP = 0,77) responderam à Security Scale e 181 mães responderam ao Child Rearing Practices Report–Q e, também, ao ChildBehavior Checklist. Os resultados revelaram o papel mediador do vínculo de apego materno nosproblemas externalizantes, mas não nos internalizantes, e salientam a importância de se considerar aqualidade do apego nas relações entre práticas parentais e problemas emocionais e comportamentaisna infância(AU)


Subject(s)
Humans , Male , Female , Child , Object Attachment , Parenting/psychology
17.
Dermatology ; 225(2): 163-7, 2012.
Article in English | MEDLINE | ID: mdl-23052429

ABSTRACT

We describe 5 cases of anti-tumor necrosis factor-alpha (anti-TNF-α) induced psoriasiform eruptions with severe scalp involvement inducing inflammatory alopecia and review the literature on this subject. All our 5 patients were provided topical therapy, with good results in only 1 case. The remaining 4 were provided systemic therapy (methotrexate ± cyclosporine): 3 concomitantly suspended the anti-TNF-α treatment (2 are currently clear/almost clear but 1 has so far only observed mild improvement) and 1 switched anti-TNF-α (recurrent flare-ups of the disease continue). So far, no patient has developed scarring alopecia. To our knowledge, a total of 15 cases of anti-TNF-α induced psoriatic alopecia have been described. Anti-TNF-α was discontinued in 9 of the 15 patients and systemic therapy was provided to 9 of the 15 patients. Nonetheless, 2 patients developed scarring alopecia. We conclude that in anti-TNF-α induced psoriasiform eruptions some patients may respond to topical treatment, however in cases of severe scalp involvement anti-TNF-α suspension and systemic treatment should be considered in order to avoid scarring alopecia.


Subject(s)
Alopecia/chemically induced , Anti-Inflammatory Agents/adverse effects , Psoriasis/chemically induced , Scalp Dermatoses/chemically induced , Tumor Necrosis Factor-alpha/antagonists & inhibitors , Adalimumab , Adult , Antibodies, Monoclonal/adverse effects , Antibodies, Monoclonal, Humanized/adverse effects , Drug Eruptions , Female , Humans , Infliximab , Male , Scalp , Young Adult
20.
Trans R Soc Trop Med Hyg ; 105(7): 380-7, 2011 Jul.
Article in English | MEDLINE | ID: mdl-21600622

ABSTRACT

We examined by parasitological tests (hemocultures and buffy coat) infection by Trypanosoma cruzi and T. evansi in blood samples from Leopardus pardalis, Cerdocyon thous and domestic dogs. Besides, 25 T. cruzi isolates previously derived from feral pigs and small wild mammals were here characterized by miniexon gene and demonstrated to be in the TcI genotype. Herein, we make an overall analysis of the transmission cycle of both trypanosome species in the light of the assemblage of data collected over the last seven years. The carnivore Nasua nasua was confirmed to play a major role in the transmission cycles of both T. cruzi and T. evansi since it was the species that had the higher prevalence and higher parasitemias by both flagellate species. In addition, our results show that both trypanosomatid species may be found throughout the Pantanal landscape, in all forest strata, as shown by the infection of carnivore, arboreal and terrestrial scansorial marsupial species in complex and seasonal transmission cycles. We propose that transmission of T. cruzi and T. evansi in the southern Pantanal region takes place via an intricate ecological trophic network involving generalist and specialist mammal species that are linked through a robust food-web connection.


Subject(s)
Food Chain , Trypanosomiasis/veterinary , Animals , Animals, Wild/parasitology , Antibodies, Protozoan/analysis , Blood Buffy Coat , Brazil/epidemiology , Chagas Disease/transmission , Chagas Disease/veterinary , Disease Reservoirs , Dogs/parasitology , Felidae/parasitology , Fluorescent Antibody Technique, Direct/veterinary , Foxes/parasitology , Trypanosoma , Trypanosoma cruzi , Trypanosomiasis/transmission
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