M87.10

Clinical Causes: Chronic use of corticosteroids (e.g., prednisone, prednisolone) Use of certain chemotherapy drugs Long-term use of immunosuppressive medications High-dose or prolonged use of hormonal therapies Other medications that impair blood flow or bone metabolism

Key Symptoms: Joint pain, often in the hips, knees, shoulders, or hips Swelling or tenderness around the affected area Reduced range of motion in affected joints Limp or difficulty walking in cases involving weight-bearing bones Bone or joint collapse in advanced stages Stiffness in the joint or discomfort that worsens over time

Diagnosis Path: Diagnosing osteonecrosis caused by drugs typically involves a combination of medical history review, physical examination, and imaging studies. Key diagnostic steps include: - Medical history assessment focusing on medication use and duration - Physical examination to evaluate joint function and pain - Imaging tests such as X-rays, MRI, or CT scans to detect early or advanced bone damage - Bone scans or biopsy may be utilized in certain cases for definitive diagnosis Early detection is crucial to prevent the progression of bone damage and to plan appropriate management strategies.

Treatment Protocols: Management of medication-induced osteonecrosis centers around relieving symptoms and preventing further bone damage. Treatment options include: - Modification or discontinuation of the offending medication under medical supervision - Use of pain relievers such as acetaminophen or NSAIDs - Physical therapy to maintain joint function and muscle strength - Core decompression procedures to reduce intraosseous pressure in early stages - Surgical interventions, including bone grafts or joint replacement, in advanced cases - Pharmacological agents like bisphosphonates may be considered to help preserve bone density Coordination with healthcare professionals is essential to develop an individualized treatment plan and to monitor disease progression.