• MRE is widely used to for accurate assessment of CD. • Global MaRIA and MEGS have been suggested as indicators of CD activity. • Paediatric studies comparing MRE-based global scores with clinical CD activity are lacking. • Such scores can serve as predictors of CD activity/severity in paediatric patients. • MRE offers an alternative to clinical score/endoscopy for paediatric CD monitoring.
CT correctly staged 86 (82%) of 105 lesions. Overestimation occurred in T2 patients (11 of 61, 18%) and underestimation in T3 patients (seven of 33, 21%), in accordance with other reports dealing with superior accuracy of endorectal ultrasonography in local staging of early disease. Conversely, the criterion we suggest for evaluating metastatic perirectal lymph nodes (diameter > 5 mm) provided 79.2% diagnostic accuracy, 88.5% sensitivity, and 86.5% negative predictive value. This can be useful in those patients in whom prompt surgery, soon after radiochemotherapy in the case of nodal involvement, may likely be curative. With further improvement with spiral CT in local staging and nodal involvement, a larger number of transanal curative resections can be predicted.
Hepatic focal nodular hyperplasia (FNH) is a nonmalignant condition rarely affecting children previously treated for cancer, especially those who received hematopoietic SCT (HSCT). Some aspects of its pathogenesis still remain unclear and a strong association with specific risk factors has not yet been identified. We report here a single institution's case series of 17 patients who underwent HSCT and were diagnosed with FNH, analyzing retrospectively their clinical features and the radiological appearance of their hepatic lesions. We aimed to compare the diagnostic accuracy of ultrasound (US) and magnetic resonance imaging (MRI) and to explore the role of transient elastography (FibroScan) to evaluate the degree of hepatic fibrosis in FNH patients. Our analysis showed an association of FNH with age at transplant ⩽ 12 years (hazard ratio (HR) 9.10); chronic GVHD (HR 2.99); hormonereplacement therapy (HR 4.02) and abdominal radiotherapy (HR 4.37). MRI proved to be a more accurate diagnostic tool compared with US. Nine out of 12 patients who underwent FibroScan showed hepatic fibrosis. Our study points out that FNH is an emerging complication of HSCT, which requires a lifelong surveillance to follow its course in cancer patients.
No statistical correlation was found between the volume of the gastric pouch and weight loss (percent EBL) after LSG in symptomatic or with unsatisfactory weight loss patients.
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