EC Orthopaedics

Case Report Volume 16 Issue 3 - 2025

Locking Knee with Unusual Location of Loose Body Finding on Arthroscopy: A Case Report

Ibrahim Alsinan1, Yassen Alrasasy2, Ali AlRasasi3, Adia Abdulaziz Almutairi4*, Muath Almuqhim5, Bashayer AlFuraikh6, Abdulaziz Almutlaq7 and Omar Alghamdi7

1Orthopedic Resident, Imam Abdulrahman Al Faisal National Guard Hospital, Dammam, Saudi Arabia
2Orthopedic Consultant, King Fahad Hospital, Hufof, Saudi Arabia
3Orthopedic Specialist, King Fahad Hospital, Hufof, Saudi Arabia
4Orthopedic Resident, King Abdulaziz National Guard Hospital, Alahsa, Saudi Arabia
5Orthopedic Resident, King Saud Medical City, Riyadh, Saudi Arabia
6Radiology Resident, King Fahad Hospital, Hufof, Saudi Arabia
7Medical Student, College of Medicine, King Faisal University, Alhasa, Saudi Arabia

*Corresponding Author: Adia Abdulaziz Almutairi, Orthopedic Resident, King Abdulaziz National Guard Hospital, Alahsa, Saudi Arabia.
Received: March 05, 2025; Published: March 22, 2025



This article explores the anatomy and movement of the knee joint, focusing on loose bodies that can cause symptoms like pain, swelling, and restricted movement. A case study of a 52-year-old male with a loose body in an unusual suprapatellar location is presented, highlighting the importance of preoperative imaging for diagnosis and surgical planning. Arthroscopic removal is recommended for treating loose bodies to improve knee function, although challenges may arise in addressing them effectively. Early diagnosis and appropriate management can lead to successful outcomes and improved patient mobility

 Keywords: Arthroscopy; Anatomy; Movement; Knee Joint

  1. Vaienti E., et al. “Understanding the human knee and its relationship to total knee replacement”. Acta Biomedica 88.2S (2017): 6-16.
  2. Rhind J and Guthrie H. “Doctors in training the locked knee”. British Journal of Hospital Medicine 85.1 (2024): 1-9.
  3. Melrose J. “The knee joint loose body as a source of viable autologous human chondrocytes”. European Journal of Histochemistry 60.2 (2016): 7-12.
  4. Mutlu H., et al. “Multiple rice body formation in the subacromial-subdeltoid bursa and knee joint”. Skeletal Radiology 33.9 (2004): 531-533.
  5. Willis RB and Firth G. “Traumatic patellar dislocation: Loose bodies and the MPFL”. Journal of Pediatric Orthopaedics 32.1 (2012): S47-S51.
  6. Sourlas I., et al. “Giant intra-articular synovial osteochondromata of the knee”. Hippokratia 17.3 (2013): 281-283.
  7. Novriansyah R and Kusuma FA. “Knee pain due to loose body in the knee joint: a case report in Dr. Kariadi General Hospital Semarang”. Medica Hospitalia: Journal of Clinical Medicine 9.3 (2022): 378-382.
  8. Biao R., et al. “Arthroscopic removal of loose bodies using the accessory portals in the difficult locations of the knee: A case series and technical note”. Journal of Orthopaedic Surgery and Research 13.1 (2018): 258.
  9. Ahn JH., et al. “Arthroscopic loose-body removal in posterior compartment of the knee joint: A technical note”. Knee Surgery, Sports Traumatology, Arthroscopy 15.1 (2007): 100-106.
  10. Zmerly H., et al. “Assessment and management of loose bodies in the knee joint and related disease: a narrative review”. Current Rheumatology Reviews 18.1 (2022): 12-19.
  11. Kalb RL. “Causes and treatment of loose bodies in the knee”. Hospital Practice 32.10 (1997): 193-195.

Adia Abdulaziz Almutairi., et al. “Locking Knee with Unusual Location of Loose Body Finding on Arthroscopy: A Case Report”. EC Orthopaedics 16.3 (2025): 01-04.