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Related Concept Videos

Bones of the Lower Limb: Femur and Patella01:16

Bones of the Lower Limb: Femur and Patella

The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the neck...
Ankle Joint01:10

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
Herniated Intervertebral Disc l: Introduction01:29

Herniated Intervertebral Disc l: Introduction

Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...
Abdominal Regions and Quadrants01:19

Abdominal Regions and Quadrants

To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four quadrants...
Bones of the Lower Limb: Tibia and Fibula01:10

Bones of the Lower Limb: Tibia and Fibula

The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...
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...

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Related Experiment Video

Updated: Jun 20, 2026

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position
12:25

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position

Published on: September 16, 2022

Osteitis Condensans Ilii.

Raj Mitra1

  • 1Division of Physical Medicine and Rehabilitation, Stanford University School of Medicine, Stanford Medicine Outpatient Center, 450 Broadway Street, Pavillion C, 4th Floor, MC 6342, Redwood City, CA 94063, USA. rmitra@stanford.edu

Rheumatology International
|August 28, 2009
PubMed
Summary

Osteitis Condensans Ilii (OCI) is a benign condition causing low back pain, often mistaken for sacroiliac joint issues. Diagnosis relies on clinical history, imaging, and ruling out other serious conditions, with conservative treatments usually effective.

Related Experiment Videos

Last Updated: Jun 20, 2026

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position
12:25

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position

Published on: September 16, 2022

Area of Science:

  • Orthopedics
  • Rheumatology
  • Radiology

Background:

  • Osteitis Condensans Ilii (OCI) presents as a benign cause of axial low back pain.
  • The exact etiology is unknown, but mechanical strain on the ilium is the leading theory.
  • Sclerosis is typically confined to the ilium, potentially mimicking sacroiliac joint pathology.

Purpose of the Study:

  • To differentiate Osteitis Condensans Ilii from other causes of low back pain.
  • To highlight diagnostic considerations for clinicians.
  • To outline treatment strategies for OCI.

Main Methods:

  • Review of clinical history and radiographic findings.
  • Laboratory studies to exclude other disorders.
  • Differential diagnosis including metastatic disease and ankylosing spondylitis.

Main Results:

  • OCI is characterized by iliac sclerosis, distinct from sacroiliac joint disease.
  • Accurate diagnosis requires a comprehensive approach combining clinical, radiographic, and laboratory data.
  • Conservative management is generally effective for OCI.

Conclusions:

  • Distinguishing OCI from other low back pain etiologies is crucial for appropriate management.
  • Early identification and conservative treatment are key for patients with OCI.
  • Surgical intervention is reserved for severe, unresponsive cases of OCI.