Painless swollen calf muscles of a 75-year-old patient caused by bilateral venous malformations
Roderick S M Piekaar, Eline W Zwitser, Joris A Jansen, Department of orthopaedic surgery, Alrijne Hospital, 2353 GA Leiderdorp, The Netherlands
Paul P A Hedeman Joosten, Department of vascular surgery, Alrijne Hospital, 2353 GA Leiderdorp, The Netherlands
Author contributions: All authors contributed to the acquisition of the writing and revision of this manuscript.
Institutional review board statement: This case report was exempt from the Institutional Review Board standards at the Alrijne Hospital in Leiderdorp.
Informed consent statement: The patient involved in this case report gave his written informed consent authorizing use and disclosure of his protected health information.
Conflict-of-interest statement: All the authors have no conflicts of interests to declare.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Roderick S M Piekaar, MD, Registrar Orthopedics, Department of orthopaedic surgery, Alrijne Hospital, Simon Smitweg 1, 2353 GA Leiderdorp, The Netherlands. email@example.com
Received: October 23, 2016
Peer-review started: October 23, 2016
First decision: February 17, 2017
Revised: February 28, 2017
Accepted: April 18, 2017
Article in press: April 20, 2017
Published online: July 18, 2017