Aneurysmal bone cyst, lower leg Save
ICD-10 code: M85.56
Chapter: Diseases of the musculoskeletal system and connective tissue
Aneurysmal Bone Cyst in the Lower Leg: Causes, Symptoms, and Treatment
Aneurysmal bone cyst (ABC) is a benign bone tumor that occurs mostly in children and young adults. It is a rare condition that affects less than 1% of all bone tumors. ABCs can occur in any bone in the body, but they are most commonly found in the long bones of the legs and arms.
Causes
The exact cause of ABCs is unknown, but it is believed to be a result of abnormal blood vessel growth in the bone. This can lead to the formation of cysts that can weaken the bone and make it more prone to fractures.
Symptoms
The symptoms of an ABC in the lower leg may include:
- Pain and swelling in the affected area
- A feeling of warmth in the leg
- Limited range of motion in the ankle or knee
- A visible lump or mass on the leg
Treatment
Treatment for ABCs in the lower leg depends on the size and location of the cysts. Small cysts may not require treatment and may resolve on their own. However, larger cysts that are causing pain or affecting the function of the leg may require surgery.
The surgical options for treating ABCs in the lower leg include:
- Curettage and bone grafting: This involves removing the cyst and filling the cavity with bone graft material to promote healing and regeneration of the bone.
- Embolization: This involves injecting a substance into the blood vessels feeding the cyst to block the blood flow and shrink the cyst.
- Amputation: In rare cases where the cyst has caused significant damage to the bone and surrounding tissues, amputation may be necessary.
After treatment, patients may need to undergo physical therapy to regain strength and mobility in the affected leg. Regular follow-up appointments will also be necessary to monitor the healing process and ensure that the cyst does not recur.
Conclusion
An ABC in the lower leg can cause significant pain and discomfort, but with proper treatment, most patients can make a full recovery. If you are experiencing any of the symptoms of an ABC, it is important to seek medical attention right away to prevent further damage to the bone and surrounding tissues.