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Related Concept Videos

Bone Disorders01:29

Bone Disorders

4.0K
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
4.0K
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

3.2K
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
3.2K

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Related Experiment Video

Updated: Sep 14, 2025

Semiautomated Longitudinal Microcomputed Tomography-based Quantitative Structural Analysis of a Nude Rat Osteoporosis-related Vertebral Fracture Model
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Diagnosing Osteoporosis for the Spine Practitioner.

Paul A Anderson1, Neil C Binkley2

  • 1Department of Orthopedics Surgery & Rehabilitation, University of Wisconsin, Madison, WI.

Spine
|July 24, 2025
PubMed
Summary

Spine patients with osteoporosis are often undiagnosed due to outdated criteria. Updated guidelines incorporating bone mineral density, fracture history, and risk factors improve diagnosis and treatment for better surgical outcomes.

Keywords:
Fracture risk Assessment tool (FRAX)Fracture risk stratificationbone health optimizationclinical diagnosis of osteoporosisfracture riskopportunistic MRIopportunistic computed tomographyosteoporosissecondary fracture prevention

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Area of Science:

  • Orthopedics
  • Spine Surgery
  • Osteoporosis Management

Background:

  • Osteoporosis is prevalent in spine surgery patients, increasing risks of fractures and complications.
  • Current diagnostic criteria often overlook fracture history and risk factors, leading to underdiagnosis.
  • Awareness of expanded osteoporosis definitions is low among spine practitioners.

Purpose of the Study:

  • To review updated criteria for categorizing bone health in spine patients.
  • To inform practitioners about the expanded definition of osteoporosis.
  • To improve patient selection for operative and non-operative management.

Main Methods:

  • Literature review of clinical guidelines and recommendations for osteoporosis diagnosis.
  • Evaluation of dual x-ray absorptiometry (DXA), trabecular bone score, and vertebral fracture assessment.
  • Inclusion of comorbidities, fracture history, and opportunistic imaging in assessment.

Main Results:

  • Integrating bone mineral density, fracture history, and risk factors enhances osteoporosis diagnosis in spine patients.
  • Fracture history is a significant predictor of secondary fractures and adverse surgical outcomes.
  • Stratifying fracture risk aids in identifying candidates for medical management.

Conclusions:

  • Spine practitioners must adopt newer osteoporosis diagnostic concepts.
  • Utilizing comprehensive criteria (BMD, fracture history, risk) identifies patients needing bone health assessment and treatment.
  • Improved diagnosis and management can mitigate surgical complications.