A 62-year-old female having B.asthma for 30 years, on inhalation steroids therapy and hypertension for 10 years, takes cilinadapine and telmisaren. She complains of pain in gluteal muscles and is unable to sit properly.

Her blood sugar level is normal, the XRAY pelvis Ap view shows total osteopenia and very shortened femur neck. What is this anomaly or age-related sclerosis of necks of femur?