Problematic internet use: a cross-sectional study on a model from university students in Egypt.

Background: Problematic Internet use in the form of excessive Internet use, excessive social network sites (SNSs) use, and compulsive Internet use (CIU) has been increasing among young adults. However, the association between excessive Internet and SNSs use and CIU have not yet been confirmed. This study aimed to investigate this association and detect the risk factors of excessive Internet use, excessive SNSs use, and CIU among university students in Egypt.

Morphometric Analysis in the Diagnosis of Low-Grade Ductal and Lobular Carcinoma in Situ of the Breast.

Objective: To identify quantitative histological features that can differentiate between low grade ductal carcinoma in situ (LG-DCIS) and classic type lobular carcinoma in situ (C-LCIS).

Study Design: Regions of solid intraductal proliferation from scanned hematoxylin and eosin images of LG-DCIS (20 cases) and C-LCIS (25 cases) were analyzed using Mercator Version 1.0 (ExploraNova, La Rochelle, France).