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Complete oblique atypical femoral fracture, right leg Save

ICD-10 code: M84.757

Chapter: Diseases of the musculoskeletal system and connective tissue

Complete Oblique Atypical Femoral Fracture: What You Need to Know

Complete oblique atypical femoral fracture, or COAF, is a rare type of fracture that occurs in the femur bone of the thigh. Unlike a typical femur fracture that occurs due to trauma or injury, COAFs are often caused by long-term use of certain medications, such as bisphosphonates, which are used to treat osteoporosis.

COAFs are often referred to as "atypical" because they have a unique pattern of fracture that differs from typical femur fractures. Instead of a clean break, COAFs often occur in an oblique pattern, and the bone may show signs of thickening or beading.

If you or someone you know has been diagnosed with COAF, it's important to seek medical attention right away. Treatment for COAF may include surgery or other interventions to help the bone heal and prevent further damage.

Causes and Risk Factors

COAFs are most commonly associated with the long-term use of bisphosphonates, which are medications used to treat osteoporosis. These medications work by slowing down the process of bone loss, but in some cases, they can also lead to the weakening of the bone and an increased risk of fractures.

Other risk factors for COAFs include a history of stress fractures, a family history of osteoporosis, and certain medical conditions, such as rheumatoid arthritis or hyperparathyroidism.

Symptoms and Diagnosis

The symptoms of COAFs can vary, but may include pain in the thigh or groin area, difficulty walking or standing, and swelling or tenderness in the affected area. If you experience any of these symptoms, it's important to seek medical attention right away.

Diagnosis of COAFs typically involves a physical exam, imaging tests such as X-rays or MRI, and a review of your medical history and any medications you may be taking.

Treatment and Recovery

Treatment for COAFs may involve surgery to realign and stabilize the bone, as well as medications to help promote bone healing. In some cases, a brace or other supportive device may be used to help support the affected leg during the healing process.

Recovery from a COAF can take several months, and it's important to follow your doctor's instructions carefully to ensure the best possible outcome. This may include limiting weight-bearing activities, attending physical therapy, and taking medications as prescribed.

  1. Seek medical attention if you experience symptoms of COAFs, such as thigh or groin pain, difficulty walking, or swelling in the affected area.
  2. COAFs are often caused by