57 year-old female with knee pain



Doctor's Information

Name : Hamid
Family :Mohammadpour
Affiliation : Radiology Department,Loghman Hakim Hospital,SBMU
Academic Degree: Assistant Professor of Radiology
Email : This email address is being protected from spambots. You need JavaScript enabled to view it.
Resident : Hussein Soleiman Tabar


Patient's Information

Gender : Female
Age : 57


Case Section

Muskuloskeletal System


Clinical Summary

57 year-old female with knee pain



Imaging Procedures and Findings

Mild joint effusion is seen. Also noted is a fibrous band extending from medial capsule to the medial side of patella.



A normal structure seen in over half of the population is the medial patellar plica. It is an embryologic remnant from when the knee was divided into three compartments. It is a thin, fibrous band that extends from the medial capsule toward the medial facet of the patella. Suprapatellar and infrapatellar plicae also exist. The medial patellar plica can, on rare occasions, thicken and cause clinical symptoms that are indistinguishable from those of a torn meniscus; this has been termed plica syndrome. An abnormal plica can be removed arthroscopically quite easily.


Final Diagnosis

Medial Plica Syndrome



Brant WE, Helms CA: Fundamentals of Diagnostic Radiology, 3rd ed. Philadelphia: Lippincott Williams & Wilkins, 2007.


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