Related Experiment Video
Updated: Apr 22, 2026

06:59
Author Spotlight: An Economic and Efficient Method for Quantitative Evaluation of Bone Microarchitecture in a Murine Osteoporosis Model
Published on: September 8, 2023
3.5K
Trabecular bone score (TBS) in postmenopausal African American women
Summary
Trabecular bone score (TBS) in postmenopausal African American women is higher than in white women. This bone quality measure inversely correlates with age and BMI.
Area of Science:
- Orthopedics
- Radiology
- Bone Densitometry
Background:
- African American women exhibit lower osteoporotic fracture risk due to superior bone density and quality.
- Limited data exists on Trabecular bone score (TBS) in this demographic.
- This study addresses the gap by reporting TBS values in healthy postmenopausal African American women.
Purpose of the Study:
- To determine Trabecular bone score (TBS) values in a cohort of healthy postmenopausal African American women.
- To investigate the relationship between TBS and demographic factors (age, BMI) and biochemical markers in this population.
Main Methods:
- Cross-sectional analysis of 518 healthy postmenopausal African American women.
- Trabecular bone score (TBS) derived from lumbar spine DXA scans (L1-L4).
- Statistical analysis to assess correlations between TBS, age, BMI, and biochemical variables.
Main Results:
- The mean TBS for the study group was 1.300 (SD 0.100).
- Significant negative correlations were observed between TBS and both age and BMI.
- No significant correlations were found between TBS and biochemical variables, though bone density sites showed correlations.
Conclusions:
- Trabecular bone score (TBS) in postmenopausal African American women is higher compared to reported values for white women.
- TBS is inversely related to age and BMI in this population.
- These findings contribute to understanding bone quality variations across different ethnic groups.
Related Concept Videos
Bone Disorders
7.9K
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...
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...
7.9K
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT
948
Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
948
Spongy Bone
12.7K
All bones comprise an outer layer of compact bone, and an interior made up of spongy bone tissue, also called cancellous or trabecular bone. In long bones, spongy bone tissue is mainly found in the interior of the epiphyses (broad ends of the bone).
Spongy bone is more porous, and less dense compared to compact bone. It is composed of concentric lamellae that are arranged irregularly to form the trabecular network. In some bones, the spaces between trabeculae contain red marrow, where...
Spongy bone is more porous, and less dense compared to compact bone. It is composed of concentric lamellae that are arranged irregularly to form the trabecular network. In some bones, the spaces between trabeculae contain red marrow, where...
12.7K
Compact Bone
22.1K
Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bone's overall function.
Compact bone, also called cortical bone, is the denser, stronger of the two types of bone tissue. It is found under the periosteum and in the diaphyses of long bones, where it provides support and protection. The microscopic structural unit of compact bone is called an osteon, or haversian system. Each osteon is composed of concentric rings of calcified...
Compact bone, also called cortical bone, is the denser, stronger of the two types of bone tissue. It is found under the periosteum and in the diaphyses of long bones, where it provides support and protection. The microscopic structural unit of compact bone is called an osteon, or haversian system. Each osteon is composed of concentric rings of calcified...
22.1K
Bone Remodeling
34.3K
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.
34.3K
Osteoclasts in Bone Remodeling
3.8K
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...
3.8K

