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Knee Effusion

From WikiSM

Other Names

Illustration of the suprapatellar bursa[1]
Ultrasound of the suprapatellar bursa<[2]
Picture of a right knee effusion. Note comparison to contralateral knee
Knee joint effusion seen in the suprapatellar recess (red line) on a lateral xray. the suprapatellar fat pad is marked in blue[3]
Warm right knee effusion caused by synovitis in knee OA.[4]
Suprapatellar recess and parapatellar recesses of the knee: (A) lateral view of the synovial recess of the knee; (B) on sagittal view of sonography, the suprapatellar recess (asterisk) is deep to the quadriceps tendon (thick arrow) and the suprapatellar fat pad (arrowhead) but superficial to the prefemoral fat pad (curved arrow); (C) medial and (D) lateral parapatellar recesses on coronal view of sonography. The recesses (asterisk) extend downward to the menisci (thin arrow).[5]
  • Knee Joint Effusion
  • Knee Hemarthrosis
  • Joint Effusion of the Knee
  • Knee effusion
  • Swollen knee
  • Water on the knee
  • Synovial effusion of the knee
  • Intra-articular knee effusion
  • Knee joint swelling
  • Hydrarthrosis (of the knee)
  • Knee synovitis
  • Hemarthrosis

Purpose

  • To evaluate whether the patient has an effusion of their Knee Joint
  • This is done by evaluating the suprapatellar bursa either clinically or with imaging

Description

Pathology

Evidence

  • See individual tests

See Also

References

  1. ↑ Image courtesy of canadiem.org
  2. ↑ Tanaka, So, et al. "“But it feels swollen!”: the frequency and clinical characteristics of people with knee osteoarthritis who report subjective knee swelling in the absence of objective swelling." Pain reports 6.4 (2021): e971.
  3. ↑ Image courtesy of radshare.net
  4. ↑ Chan, Keith KW, and Ricky WK Wu. "Symptoms, signs and quality of life (QoL) in osteoarthritis (OA)." Principles of osteoarthritis-its definition, character, derivation and modality-related recognition (2012): 25-41.
  5. ↑ Li, Tony Y. "Sonography of knee effusion." Journal of Diagnostic Medical Sonography 36.6 (2020): 545-558.
Created by:
John Kiel on 9 July 2019 13:18:28
Authors:
Last edited:
19 January 2026 01:37:42
Category:
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