Retraction artifacts are well known phenomenon in diagnostic surgical pathology for a long time but they were usually considered as artificially produced tissue alteration. Some recent studies of retraction artifact in different tumors have focused on its diagnostic and/or prognostic role. Their presence in prostatic carcinoma may be used in diagnostic and prognostic purposes. Peritumoral retra...

Abstract The idea of stable, localized bundles energy has strong appeal as a model for particles. In the 1950s, John Wheeler envisioned such smooth configurations electromagnetic that he called geons , but none were found. Instead, particle-like solutions found in late 1960s with addition scalar field, and these given name boson stars . Since then, find use wide variety models sources dark matt...

Introduction: Prostate cancer is a multifaceted disease comprises distinct biological subtypes with varied spectrum of clinical, pathologic and molecular features with different prognostic and therapeutic implications. Over the last few decades there have been outstanding advances in prostate cancer management leading to earlier detection of disease. Prostatic cancer diagnosis is based on a com...