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Related Concept Videos

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...
Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...

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Related Experiment Video

Updated: May 11, 2026

Arthroscopic Excision of Posterior Cruciate Ligament Cysts Using a Double Posteromedial Approach
05:44

Arthroscopic Excision of Posterior Cruciate Ligament Cysts Using a Double Posteromedial Approach

Published on: October 20, 2023

Calcific mediopatellar plica: a case report.

İbrahim Karaman1, Ahmet Güney, Kaan Gürbüz

  • 1Department of Orthopedics and Traumatology, Medical Faculty of Erciyes University, Kayseri, Turkey. drikaraman@gmail.com

Eklem Hastaliklari Ve Cerrahisi = Joint Diseases & Related Surgery
|May 23, 2013
PubMed
Summary
This summary is machine-generated.

Calcification of the mediopatellar plica (MPP) can occur in patients with knee pain and mechanical symptoms. This condition, often overlooked, requires consideration in differential diagnoses for persistent knee issues.

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Last Updated: May 11, 2026

Arthroscopic Excision of Posterior Cruciate Ligament Cysts Using a Double Posteromedial Approach
05:44

Arthroscopic Excision of Posterior Cruciate Ligament Cysts Using a Double Posteromedial Approach

Published on: October 20, 2023

Area of Science:

  • Orthopedics
  • Radiology
  • Sports Medicine

Background:

  • Persistent knee pain and mechanical symptoms can significantly impact quality of life.
  • Mediopatellar plica (MPP) syndrome is a recognized cause of anterior knee pain.
  • Calcification within soft tissues can alter biomechanics and contribute to symptoms.

Observation:

  • A 38-year-old male presented with a two-year history of right knee pain and swelling, and six months of mechanical symptoms.
  • Radiographic imaging revealed medial patellar retinaculum calcification.
  • MRI showed patellar ossification and cortical irregularity in the medial and inferior patellar poles.

Findings:

  • Arthroscopy identified a calcific mediopatellar plica (MPP).
  • The findings suggest MPP can undergo calcification, presenting as an unusual clinical entity.
  • Associated patellar irregularities were noted, potentially secondary to or coexisting with the calcific MPP.

Implications:

  • Calcific MPP should be considered in the differential diagnosis for patients with refractory knee pain and mechanical symptoms.
  • Accurate diagnosis through arthroscopy is crucial for effective treatment planning.
  • Untreated calcific MPP may lead to persistent knee complaints, underscoring the need for timely intervention.