In 2016, the World Journal of Clinical Cases (WJCC) has published the 9^th issue which containing 11 articles contributed by scientists worldwide. Among these comprehensive articles are (1) “450 nm diode laser: A new help in oral surgery”, an Original Article by Carlo Fornaini, MD, et al from Micoralis Laboratory EA7354, Faculty of Dentistry, University of Nice, France, and (2) “Tuberculosis terminal ileitis: A forgotten entity mimicking Crohn’s disease”, a Case Report by Simona Gurzu, MD, PhD, Professor, Head, et al from Department of Pathology, University of Medicine and Pharmacy, Romania, etc. We invite you to peruse all 11 articles in this issue, as they present the latest research progress/findings and provide insightful comments in clinical cases that will guide basic research and clinical practice in these fields.

This journal is an open-access journal which allows free immediate access to all full-text articles. For details, please visit: Volume 4, Issue 9, September 16, 2016.

Figure 1 The cover of the issue. Editorial Board Member of World Journal of Clinical Cases, Jong-Ho Park, MD, PhD, Associate Professor, Stroke Division, Department of Neurology, Myongji Hospital, Kwandong University College of Medicine, Goyang 412-270, South Korea

The WJCC is a leading academic journal devoted to reporting the latest, cutting-edge research progress and findings of basic research and clinical practice in the field of clinical cases.  It was launched on April 16, 2013 and is published monthly (12 issues annually) by BPG, the world's leading professional clinical medical journal publishing company.

We encourage clinical cases specialists worldwide to submit manuscripts to the WJCC describing their original basic or clinical research findings that are of high academic value and which report new diagnostic techniques or summarize their treatment experiences.

We invited the readers to download and read the E-Journal of this issue, at:http://www.wjgnet.com/2307-8960/e-journal.htm.