Related Experiment Video
Updated: May 9, 2026

07:56
Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
Published on: January 29, 2018
Bone density in patients with late onset Pompe disease
George Papadimas1, Gerassimos Terzis, Constantinos Papadopoulos
1Department of Neurology, University of Athens, School of Medicine, Eginition Hospital, Athens, Greece.
International Journal of Endocrinology and Metabolism
|July 12, 2013
Summary
Bone mineral density (BMD) may be reduced in some late-onset Pompe disease patients, but enzyme replacement therapy (ERT) shows potential for improvement. Further studies are needed to confirm these findings in larger patient groups.
Area of Science:
- Metabolic disorders
- Genetics and inherited diseases
- Bone health and osteoporosis
Background:
- Pompe disease results from alpha-glucosidase deficiency, causing glycogen buildup in tissues.
- Late-onset Pompe disease presents with varied symptoms, including muscle and respiratory issues.
- Reduced bone mineral density (BMD) is increasingly recognized in Pompe disease patients.
Purpose of the Study:
- To evaluate BMD changes in late-onset Pompe disease patients before and after enzyme replacement therapy (ERT).
Main Methods:
- Dual-energy X-ray absorptiometry (DEXA) scans were performed on eight adult patients.
- Four patients were newly diagnosed, and four were undergoing ERT.
- BMD was assessed before and after 18-36 months of ERT.
Main Results:
- Initially, total body BMD was normal, but L2-L4 and femoral neck BMD were reduced in some patients.
- Following ERT, improvements in L2-L4 lumbar spine BMD were observed in two patients.
- One patient showed improvement in femoral neck BMD z-score after ERT.
Conclusions:
- Regional BMD may be moderately reduced in some late-onset Pompe disease patients, but severe osteopenia is uncommon.
- ERT may lead to improvements in BMD at specific sites, warranting further investigation in larger cohorts.
More Related Videos
Related Concept Videos
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...
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...
Spongy Bone
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...
Bone Structure
Within the skeletal system, the structure of a bone, or osseous tissue, can be exemplified in a long bone, like the femur, where there are two types of osseous tissue: cortical and cancellous.
Compact Bone
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...
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...
Changes in the Appendicular Skeleton with Age
The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
