In 2017, the World Journal of Orthopedics (WJO) has published the 1^st issue which containing 12 articles contributed by scientists worldwide. Among these comprehensive articles are (1) “Current management of talar osteochondral lesions”, a Minireviews by John G Kennedy, MD, MCh, MMSc, FRCS (Orth), et al from the Department of Foot and Ankle, Hospital for Special Surgery, United States; (2) “Heterotopic ossification after the use of recombinant human bone morphogenetic protein-7”, an Original Article by Zoe H Dailiana, MD, PhD, Associate Professor, et al from the Department of Orthopaedic Surgery, Faculty of Medicine, University of Thessalia, Greece; and (3) “Novel case of Trevor’s disease: Adult onset and later recurrence”, a Case Report by Matthew A Chin, MD, et al from the Department of Orthopaedic Surgery, Hahnemann University Hospital, United States, etc. We invite you to peruse all 12 articles in this issue, as they present the latest research progress/findings and provide insightful comments in orthopedics 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 8, Issue 1, January 18, 2017.

Figure 1 The cover of the issue. Editorial Board Member of World Journal of Orthopedics, Pauline Po Yee Lui, PhD, Academic Research, Manager, Department of Headquarter, Hosptial Authority, Hong Kong, China

The WJO 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 orthopedics. It was launched on November 18, 2010 and is published monthly (12 issues annually) by BPG, the world's leading professional clinical medical journal publishing company.

We encourage orthopedists worldwide to submit manuscripts to the WJO 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/2218-5836/e-journal.htm.