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Purpose: to assess whether MRI T stage of breast cancer lesions (BCLs) is affected by maximum diameter (MD) measured at different post-contrast time points (TPs) on different acquisition planes on dynamic contrast-enhanced (DCE) MRI sequence. Methods: 53 DCE-MRI examinations of patients with BCLs were retrospectively selected. MD of BCLs was measured on axial, coronal and sagittal planes on DCE images at five different post-contrast TPs. Friedman test followed by Bonferroni-adjusted Wilcoxon-signed rank test for post-hoc analysis was performed to evaluate differences among the five measurements. Reliability of the measurements was evaluated with the intraclass correlation coefficient analysis. Differences between pathological and MRI T stage assessed at each TP on each acquisition plane were assessed using the Wilcoxon-sign rank test; p values

Aim: Paediatric evidence about the clinical implications of enlarged abdominal lymph nodes (EALN) is not univocal. The main purpose of our study was to evaluate the clinical significance and the morphological evolution of enlarged abdominal nodes in children with recurrent abdominal pain. Methods: All children with recurrent abdominal pain diagnosed with EALN were enrolled at the involved centres between September 2017 and June 2018. Number, size, localisation, shape and architecture of nodes were accurately recorded along with clinical and laboratory data at enrolment and after three and six months. Results: A total of 38 children were enrolled. After the six-month study period, 58% of them had lymph nodes reduced in size, 13% had unchanged lymph nodes, and 29% had lymph nodes increased in size. Overall, we observed a gradual, albeit slight reduction in the average size of enlarged nodes over the six-month period. The extent of size changes was not correlated with any clinical parameter. Conclusion: Our data suggest that EALN are a non-specific finding, which is not worth a change in the diagnostic and therapeutic management of children with abdominal pain.

Tumor thrombus is a very rare complication observed in patients with hepatocellular carcinoma. We report a unique case of hepatocellular carcinoma with extension of tumor along the inferior vein cava into the right atrium, in a patient with cardiac amyloidosis and without any cardio respiratory distress or typical clinical findings suggestive of cardiovascular involvement from cardiac amyloidosis. Cardiac magnetic resonance imaging is a useful tool to assess intracardiac tumor extension as well as to provide myocardial tissue characterization. Keywords: Cardiac amyloidosis, Tumor, Thrombus, Hepatocellular carcinoma, Cardiac magnetic resonance, Computed tomography

Hiatal hernia (HH) affects from 10% to 50% of adult population. The correlation between HH, gastroesophageal reflux disease, dyspeptic symptoms, and esophagitis has long been known in adults. The primary objective of our prospective observational study was to estimate the prevalence of HH in children undergoing esophagogastroduodenoscopy (EGD), irrespective of their symptoms. METHODS: We prospectively enrolled 111 consecutive children (48 boys and 63 girls; mean age 94.9 ± 52.3 months) referred for EGD. In all of the patients a asymptomatic score assessment based on the Rome III criteria was used to measure frequency, severity, and duration of gastrointestinal symptoms. HH presence was endoscopically defined; esophagitis presence was evaluated either endoscopically and histologically. Children were divided in 2 age-range groups: 48 months (group 2). RESULTS: Twenty-three patients of 111 (20.7%) had evidence of a sliding HH at EGD. In children from group 2, we found a statistically significant association of HH with heartburn (P = 0.03, 95% confidence interval 1-9.3, r = 0.1) and regurgitation (P = 0.003, 95% confidence interval 1.7-20.4, r = 0.3). Regarding esophagitis presence, no association was found at any age either with defined esophagitis or with dilated intercellular spaces. CONCLUSIONS: Prevalence of HH in our study population was 20.7%. According to our data, HH correlates with the presence of heartburn and regurgitation in children, but not in toddlers. No association was found with esophagitis at any age.

Background: The pediatric literature about the correlation between symptoms and histological lesions in patients investigated for gastroesophageal reflux disease is scarce and inconclusive. The, primary aim of the present study was to assess the relation between the complained symptom severity and the esophageal histological grade, through the use of validated and reliable scores. Methods: All children ages between 2 and 17 years referred to perform upper gastrointestinal endoscopy because of gastroesophageal reflux disease symptoms were asked to complete the Pediatric Gastroesophageal Symptom and Quality of Life validated questionnaire, investigating the main symptoms complained and their impact on daily life and school activities. Esophageal mucosal samples taken during the procedure were analyzed and scored according to the Yerian-Fiocca classification. Results: A total of 164 children were included in the study. No significant association was found between symptomatic score and histological score (r(s): 0.05, P:0.49). Even when focusing only on adolescents with heartburn or chest pain, no correlation between symptom severity and esophageal lesions was found (r(s): -0.18, P: 0.264). Intercellular space diameter values did not mirror symptom severity. Conclusions: The main finding of this study on children with reflux symptoms is the lack of correlation between symptom severity and esophageal histological grade. The magnitude of intercellular spaces was found not to be related with the clinical score as well.

BACKGROUND The pediatric literature about the correlation between symptoms and histological lesions in patients investigated for gastroesophageal reflux disease is scarce and inconclusive. The primary aim of the present study was to assess the relation between the complained symptom severity and the esophageal histological grade, through the use of validated and reliable scores. METHODS All children ages between 2 and 17 years referred to perform upper gastrointestinal endoscopy because of gastroesophageal reflux disease symptoms were asked to complete the Pediatric Gastroesophageal Symptom and Quality of Life validated questionnaire, investigating the main symptoms complained and their impact on daily life and school activities. Esophageal mucosal samples taken during the procedure were analyzed and scored according to the Yerian-Fiocca classification. RESULTS A total of 164 children were included in the study. No significant association was found between symptomatic score and histological score (r(s): 0.05, P: 0.49). Even when focusing only on adolescents with heartburn or chest pain, no correlation between symptom severity and esophageal lesions was found (r(s): -0.18, P: 0.264). Intercellular space diameter values did not mirror symptom severity. CONCLUSIONS The main finding of this study on children with reflux symptoms is the lack of correlation between symptom severity and esophageal histological grade. The magnitude of intercellular spaces was found not to be related with the clinical score as well.