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Bone Disorders

Bone Disorders

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...

Radiological Investigation I: X-ray and CT

Radiological Investigation I: X-ray and CT

Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...

Osteoclasts in Bone Remodeling

Osteoclasts in Bone Remodeling

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 bone...

Bone Remodeling

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
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Radiological Investigation II: MRI and Ventilation Perfusion Scan

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
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Related Experiment Video

Updated: Jul 10, 2026

Semiautomated Longitudinal Microcomputed Tomography-based Quantitative Structural Analysis of a Nude Rat Osteoporosis-related Vertebral Fracture Model

Semiautomated Longitudinal Microcomputed Tomography-based Quantitative Structural Analysis of a Nude Rat Osteoporosis-related Vertebral Fracture Model

Published on: September 28, 2017

[Osteoporosis: multidisciplinary and radiologic aspects].

I Radojković¹, J Radojković, Z Marković

¹'Klinicko bolnicki centar "Zemun" Beograd.

Acta Chirurgica Iugoslavica

|November 9, 2007

Summary

Osteoporosis significantly impacts the elderly, causing fractures and high treatment costs. Prevention is crucial and achievable, offering social and economic benefits by mitigating bone loss.

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Last Updated: Jul 10, 2026

Semiautomated Longitudinal Microcomputed Tomography-based Quantitative Structural Analysis of a Nude Rat Osteoporosis-related Vertebral Fracture Model

Semiautomated Longitudinal Microcomputed Tomography-based Quantitative Structural Analysis of a Nude Rat Osteoporosis-related Vertebral Fracture Model

Published on: September 28, 2017

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

Area of Science:

Gerontology
Public Health
Orthopedics

Background:

Osteoporosis is a prevalent condition in elderly populations, characterized by reduced bone density and increased fracture risk.
In the USA, osteoporosis leads to 1.6 million fractures annually, incurring substantial treatment costs exceeding $14 billion.
The socioeconomic burden of osteoporosis highlights the need for effective prevention and management strategies.

Purpose of the Study:

To underscore the significance of osteoporosis as a major health concern in aging individuals.
To emphasize the economic impact of osteoporosis, particularly the higher costs associated with treatment versus prevention.
To advocate for future research into the incidence, prevalence, and socioeconomic factors of osteoporosis in the country.

Main Methods:

This abstract does not detail specific methodologies but discusses the incidence, prevalence, and socioeconomic aspects of osteoporosis.
It highlights the public health implications and the potential for prevention and halting bone density loss.

Main Results:

Osteoporosis results in critically low bone density, making individuals susceptible to fractures from minor trauma.
Current treatment costs for osteoporosis fractures are substantial and surpass prevention expenses.
Prevention of osteoporosis is presented as a feasible and socially important objective.

Conclusions:

Osteoporosis prevention is a critical public health issue with significant social implications.
Implementing preventive measures can halt further bone substance loss.
Future studies are essential to understand and address osteoporosis comprehensively.