Related Experiment Video
Updated: Jun 12, 2026

06:51
A 3-D Visualization Technique for Bone Remodeling in a Suture Expansion Mouse Model
Published on: August 18, 2023
Disappearing bone disease and Chiari I malformation
Betsy D Hughes1, Gerald A Grant, Thomas J Cummings
1Division of Neurosurgery, Duke University Medical Center, Durham, NC 27710, USA.
Pediatric Neurosurgery
|June 3, 2010
Summary
Gorham's disease, a rare bone disorder causing massive osteolysis, was observed in a patient with Chiari I malformation. Surgical decompression successfully treated the Chiari malformation in this unique case.
Area of Science:
- Neurology
- Orthopedics
- Rare Diseases
Background:
- Gorham's disease is a rare condition characterized by progressive bone loss (osteolysis).
- Chiari I malformation involves the displacement of cerebellar tonsils into the spinal canal.
- The co-occurrence of these two distinct conditions is exceptionally rare.
Observation:
- A patient presented with symptoms suggestive of both Gorham's disease and Chiari I malformation.
- Diagnostic imaging confirmed the presence of massive osteolysis consistent with Gorham's disease.
- Cerebellar tonsillar ectopia, indicative of Chiari I malformation, was also identified.
Findings:
- The patient underwent surgical treatment for the Chiari I malformation.
- Procedures included suboccipital craniectomy, C1 laminectomy, and duraplasty for decompression.
- This surgical intervention aimed to alleviate neurological symptoms associated with the Chiari malformation.
Implications:
- This case highlights the importance of considering co-existing rare conditions in complex patient presentations.
- Effective surgical management of Chiari I malformation can be achieved even in the presence of Gorham's disease.
- Further research may elucidate potential links or shared mechanisms between these rare disorders.
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...
What is the Skeletal System?
Overview
Bone Formation by Endochondral Ossification
Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...
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...
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.
Degenerative Disc Disease I: Introduction
Degenerative disc disease is a chronic condition in which intervertebral discs gradually lose structure and function. It is not infectious or autoimmune; rather, it results from age-related biochemical and mechanical changes, influenced by genetic, metabolic, and environmental factors.Structure and Function of DiscsThe spine contains 23 intervertebral discs that absorb load, distribute forces, maintain spacing, and allow flexibility. Each disc consists of a nucleus pulposus, a gel-like core...