Intraepithelial lymphocytosis (IELosis) with or without villous abnormality is a characteristic feature of gluten sensitivity (GS) including celiac disease (CD) and non-celiac-GS, although various conditions may also be associated with IELosis. In order to distinguish GS from the other causes of IELosis, a threshold for IEL counts is necessary. We aimed to determine a cut-off value for IELs and monitor its value in the spectrum of GS in a large cohort. For this purpose, the duodenal biopsies from four groups of individuals including Types 1 (n = 88) and 3 (n = 92) CD, non-CD IELosis (n = 112), and control (n = 82) cases, all strictly defined by their clinical, laboratory, and serologic features, were evaluated. The number of IELs/100 enterocytes and their distribution pattern on H&E- and CD3-immunostained sections were assessed for each group. Kruskal-Wallis test and ROC curve analysis for discriminant value were employed for statistics. The IEL counts showed an increasing trend through the spectrum of mucosal pathology including controls (12.06; 21.40), non-CD IELosis (28.62; 39.46), Type 1 CD (49.27; 60.15), and Type 3 CD (58.53; 71.74) both on H&E- and CD3-immunostained sections, respectively (p < 0.001). ROC analysis revealed 20.5 on H&E and 28.5 on CD3 as the IEL cut-off values with a sensitivity of 95.9 and 87.7% and a specificity of 98.8% and 93.9%, respectively, for controls. IELs showed a diffuse distribution pattern per biopsy piece and per villus (90.9%, 100%, respectively) in nearly all of Type 1 CD cases (p < 0.001). An IEL cut-off value of 20.5 on H&E together with a diffuse distribution pattern seem to be the most discriminant features for the diagnosis of CD, even for the milder forms of the disease.

Percutaneous treatment with the Örmeci technique is a safe, effective, cheap, and reliable method that does not interfere with splenic functions, and this outpatient procedure should be the method of choice for a surgery alternative.

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Cystic echinococcosis is an infectious disease that is potentially associated with the biliary tract. Of thousand cases of hydatid cysts that were successfully treated by the Örmeci method, only two presented with cholangitis subsequent to the percutaneous treatment. These cases were treated with endoscopic retrograde cholangiopancreatography, and this study provides details regarding the clear fistulization of hydatid cysts into the biliary tract.

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