What Is an Aneurysmal Bone Cyst?

Aneurysmal bone cyst

Aneurysmal bone cyst disease name

Aneurysmal bone cyst

Classification of aneurysmal bone cyst disease

Orthopaedics and Traumatology

Overview of aneurysmal bone cyst disease

Aneurysmal bone cyst (ABC) is a rare tumor-like disorder. It is more common in adolescents' long bones and spinal lamina. Aneurysmal bone cysts that occur in the acetabulum are extremely rare.

Description of aneurysmal bone cyst disease

This is a bony bloody cyst that expands from inside the bone to outside the bone and is filled with blood and bone-like tissue. The age of onset is adolescents, and the metaphysis of long bones such as the upper humerus and spine. The disease is named for local destructive lesions and peripheral periosteal reactive bone deposits, similar to aneurysmal swelling.

It usually occurs under the age of 30, and the peak age is 10-19 years. The gender difference is small. If it occurs in the jaw, it is more common in the lower jaw, and the posterior part of the jaw is involved (such as the angle of the jaw, ascending branch, and molar area). The maxillary lesions easily expand into the maxillary sinus.

Aneurysmal bone cyst symptoms and signs

Pain and swelling are the main symptoms, and most patients see a pathological fracture.

Causes of aneurysmal bone cyst disease

The cause is unknown.

Pathophysiology of aneurysmal bone cyst

There is a sponge-like reticular structure in the capsule cavity, with large blood vessel branches inside, much like arteriovenous abnormalities.

Diagnosis of aneurysmal bone cyst

The typical lesion on X-ray is a swollen cystic translucent area, with a clear state, with bony spaces inside, which divides the cystic cavity into a honeycomb or foam.

Aneurysmal bone cyst treatment plan

Curving and bone grafting are the main treatments. It is necessary to fully estimate the possibility of massive bleeding before surgery. Radiation therapy is feasible for areas that are not easy to be surgically resected, such as the spine. The effect is good, but it is dangerous to destroy the epiphysis and malignant changes in children. Body replacement.