OSS Health | Avascular Necrosis (Osteonecrosis) of the Knee

Request An Appointment

Ortho Urgent Care - Save My Spot

Call us for Orthopaedic Services (717) 848-4800

For Patients
Resources
Patient Billing FAQs Insurance Medical Records Information Patient Experience Patient Forms Patient Pricing
Patient Resources Prescription Auto Refill Notice Pay Your Bill Video Resources

Patient Portal
Log-in to visit your patient portal account.
Enter Your Portal

Request An Appointment
Complete the form to schedule an appointment.
Fill Out A Request
Find A Provider
Provider Selection
Anesthesia Elbow Foot & Ankle General Orthopaedic Hand & Wrist Hip Hosptalist Nurse Practitioner Orthopaedic Surgeon
Pain Management Fellows Physiatrists (Pain Management) Physician Assistant Physician Medicine Plastic Surgeon/Hand Shoulder Sports Medicine Workers' Comp

Knee Pain
Don’t let knee pain limit your ability to do the activities you enjoy.
Knee Providers

Back Pain
Get the right diagnosis and treatment plan just for you.
Spine Providers
What Hurts?
Orthopaedic Specialties
Back & Neck Pain Treatments Elbow Pain Treatments Foot & Ankle Pain Treatments
Hand & Wrist Treatments Knee Treatments Shoulder Treatments

Hip Treatment
Don’t let hip pain limit your ability to do the activities you enjoy.
Help Your Hip Pain

Pain Management
Specializing in muscular and skeletal disorders.
Eliminate Pain
Services
Services
Ambulatory Surgical Center Bone Health Clinic Female Athlete Clinic Orthopaedic Rehabilitation Orthotics and Durable Medical Equipment (DME)
OSS Health Orthopaedic Hospital Robotic Assisted Surgery Sports Medicine Telemedicine Workers' Comp

Imaging
State-of-the-art imaging services.
Learn About Our Technology

Orthopaedic Urgent Care
Visit one of our four locations.
Save Your Spot At Urgent Care
Locations
About Us
Engagement
About us Awards News, Blogs & More!
OSS Health Annual Reports OSS Health Fellowship Program Physician Resource Center

Careers
Join our commitment to excellence.
Search Opportunities

Contact Us
Reach out for all your orthopaedic care needs.
Ask A Question

Avascular Necrosis (Osteonecrosis) of the Knee

This condition occurs when a bone's normal blood supply is disrupted. The affected bone cells die and the dead bone weakens. The bone may begin to fracture and collapse, leading to arthritis.

Go back to Videos

Facet Joint Injections

Facet Joint Injections

Head, Neck and Spine

Lateral Release and Medial Imbrication

Lateral Release and Medial Imbrication

Local Athletes - Messiah

Local Athletes - Messiah

OSS Health Branding

Kyphosis

Kyphosis

Lumbar Corpectomy

Lumbar Corpectomy

Legg-Calve-Perthes Disease (LCPD)

Legg-Calve-Perthes Disease (LCPD)

Fall 2023 TV Commercial

Fall 2023 TV Commercial

OSS Health Branding

Cervical Laminaplasty (Cervical Laminoplasty)

Cervical Laminaplasty (Cervical Laminoplasty)

OSS Spine class presentation

OSS Spine class presentation

Anterior Cervical Corpectomy

Anterior Cervical Corpectomy