Quadricuspid Pulmonary Valve: Computed Tomography Case Series and Review of Relevant LiteratureAkerem Khan, Shamruz Khan BMBS, MRCP; Anavekar, Nandan S. MD; Araoz, Philip A. MDJournal of Thoracic Imaging: November 2012 - Volume 27 - Issue 6 - p W171–W173 doi: 10.1097/RTI.0b013e31822e864c Web Exclusive Content—Case Reports: Cardiovascular Abstract Author Information Quadricuspid pulmonary valve (QPV) is a rare congenital cardiac entity. The recognition of QPV has clinical significance as it can cause pulmonary valve dysfunction. It is also important to recognize this condition in patients undergoing the Ross procedure. We report a case of QPV diagnosed by computed tomography with associated pulmonary stenosis and right ventricular hypertrophy. Department of Radiology, Mayo Clinic, Rochester, MN The authors declare no conflicts of interest. Reprints: Shamruz Khan Akerem Khan, BMBS, MRCP, Department of Radiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905 (e-mail: firstname.lastname@example.org). Supplemental Digital Content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Website, www.thoracicimaging.com. © 2012 Lippincott Williams & Wilkins, Inc.