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OBJETIVO: avaliar a sensibilidade, especificidade, valor preditivo positivo e valor preditivo negativo do enema de bário com duplo contraste (EBDC) para o diagnóstico da endometriose do reto e sigmóide. MÉTODOS: estu...

Background and Purpose: Anatomical variations during prostate radiotherapy can cause discrepancies between planned and delivered doses, which may become more pronounced in (ultra-)hypofractionated regimens. However, a st...

O produto mais importante do conhecimento é a ignorância. A situação sugere a imagem de alguém que vive numa ilha de conhecimento cercado por um mar de ignorância. Quando a área dessa ilha aumenta pelo progresso d...

BackgroundComplex anal fistulas remain a surgical challenge due to their intricate anatomy, high recurrence rates, and potential for sphincter injury. We report a rare case of complex anal fistula with multiple external ...

A 10-year-old patient was admitted to the pediatric sub-intensive care unit due to massive rectal bleeding and severe acute anemia. His medical background included Asperger syndrome and a history of chronic constipation ...

Background and purpose: Dose accumulation in reirradiation can contribute to both treatment outcomes and safe cumulative doses. We demonstrated consensus strategies on dose accumulation for three clinical reirradiation s...

ABSTRACT This report describes an anal atresia, anatomical urethra alteration (slightly caudal to the udder), thickened joints, and changes in the pelvis in a newborn Holstein cow. Visualization of the final portion of t...

The presence of cyathostomin larvae is directly associated to climatic conditions of each region. This study aimed to evaluate the ecology of infective larvae on Brachiaria humidicola during the dry and rainy seasons fro...

Abstract Purpose Intraoperative radiotherapy (IORT) is designed to deliver a precise dose of ionizing radiation to a tumor or tumor bed after surgical resection. The IORT procedure can deliver targeted radiation to the t...

The results of a study on nematode fauna occurring in wild iguanas (Iguana iguana) from Brazilian Northeast (Alagoas and Maranhão) and Central-west (Goiás and Mato Grosso) areas were presented. Six adult iguanas, three...

Purpose: To evaluate the impact of intra- and interfractional motion on dose distribution and clinical outcome in prostate magnetic resonance (MR)-guided adaptive radiotherapy. Methods: Seventy-six patients were treated ...

Introduction: Rectal atresia is a rare form of anorectal malformation characterized by a normally developed anal canal and sphincter complex; however, despite this favorable anatomy, the optimal surgical approach remains...

BackgroundComplex inflammatory phenotypes in children can pose significant diagnostic challenges, particularly when clinical, histopathologic, and immunologic findings do not conform to established diagnoses. We present ...

Abstract Objective To outline the demographic and clinical characteristics of patients with deep intestinal endometriosis submitted to surgical treatment at a tertiary referral center with a multidisciplinary team, and...