Conditions and Treatments Resource Hub
Conditions and Treatments A-Z
For more than 25 years, Hospital for Special Surgery has provided this knowledge base, written by HSS clinicians, to educate people on their injuries and conditions and empower them to make informed choices about their healthcare. Browse topics by letter, body part, or sport.
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Achilles Bursitis
Achilles Tendon Injuries
ACL Surgery
ACL Tear (Torn ACL)
Acupuncture for Orthopedic & Rheumatic Conditions
Adult Onset Still's Disease
ALS (Amyotrophic Lateral Sclerosis)
Ambulatory (Same Day) Hip Replacement
Ambulatory (Same Day) Knee Replacement
Ankle Arthritis
Ankle Distraction Arthroplasty
Amplified Musculoskeletal Pain Syndrome
Ankle Fractures (Broken Ankle)
Adolescent Idiopathic Scoliosis
Ankle Injuries & Conditions
Ankle Replacement (Ankle Arthroplasty)
Ankle Sprain
Ankylosing Spondylitis
Antiphospholipid Syndrome
Arm & Elbow Conditions in Children (Pediatrics)
Arm & Elbow Fractures
Arthritis
Arthritis of the Back & Neck
Arthritis of the Foot & Ankle
Arthritis of the Hand & Wrist
Arthritis of the Shoulder
Arthritis of the Thumb
Arthrodesis (Fusion)
Autoimmune Encephalitis
Avascular Necrosis (AVN, Osteonecrosis)
Back & Neck Conditions
Back & Neck Conditions in Children
Back & Neck Surgery
Basal Joint Arthritis
Baseball Injuries & Conditions
Basivertebral Nerve Ablation (Intracept Procedure)
Basketball Injuries and Conditions
Benign Bone Tumor
Biceps Tendon Rupture/Tear
Blount's Disease
Bone Cancer (Primary, Osteosarcoma)
Bone Cancer (Secondary, Metastatic)
Bone Diseases
Bone Lesion
Bowlegs
Brachial Plexus Birth Injuries
Brachial Plexus Injury
Broken Bones (Fractures)
Bulging Disc (Herniated Disc)
Bunions
Buerger's Disease (Thrombangiitis Obliterans)
Bursitis of the Hip
Bursitis of the Shoulder
Carpal Tunnel Syndrome
Cartilage Injuries & Disorders
Cartilage Repair & Regeneration
CAT Scan (CT Scan)
Cauda Equina Syndrome (CES)
Cavus Foot
Cerebral Palsy (CP)
Cervical Laminoplasty
Cervical Myelopathy
Cervical Radiculopathy
Cervical Spondylosis (Neck Arthritis)
Cervical Stenosis
Charcot-Marie-Tooth Disease
Childhood Arthritis
Clavicle (Collarbone) Fractures
Computed Tomography (CT Scan)
Chondromalacia (Runner's Knee)
Chronic Fatigue Syndrome
Chronic Recurrent Multifocal Osteomyelitis
Clubfoot
Compartment Syndrome
Compound Fracture
Computer Assisted Surgery (CAS)
Concussion
Conditions & Treatments by Sport
Congenital Muscular Torticollis
Corticosteroids
Cox-2 Inhibitors
COVID-19
CT Scan (Computed Tomography)
Deep Vein Thrombosis (DVT)
Deformity Correction
Degenerative Disc Disease
De Quervain's Tenosynovitis
Dermatomyositis
Disc Herniation (Herniated Disc)
Disc Replacement Surgery
Discectomy
Discoid Meniscus
Doctor/Patient Communication
Double Knee Replacement
Direct Anterior Hip Replacement
Dupuytren's Contracture
Elbow & Arm Injuries / Conditions
Elbow Arthritis
Elbow Arthroscopy
Elbow Replacement
Electrodiagnostics
Entire Body / Systemic Conditions
EOS Imaging
Erb’s Palsy / Brachial Plexus Birth Injury
Facet Arthropathy
Femoral Anteversion (Hip Anteversion)
Femoral Retroversion (Hip Retroversion)
Finger Injuries & Conditions
Flatfoot
Foot & Ankle Conditions in Children
Foot Pain Causes & Treatments
Football Injuries & Conditions
Fractures / Broken Bones
Fractures of the Foot
Fractures of the Hand & Fingers
Fractures of the Hip & Pelvis
Fractures of the Leg
Fractures of the Shoulder & Collarbone
Fractures of the Wrist
Frozen Shoulder (Adhesive Capsulitis)
Ganglion Cyst
Glenoid Labrum Tear
Golf Injuries & Conditions
Golfer's Elbow (Medial Epicondylitis)
Gout
Growing Pains
Growth Plate Fracture
Haglund's Deformity
Hallux Rigidus (Stiff Big Toe)
Hammertoe
Hamstring Injuries
Hand and Wrist Arthritis
Hand & Wrist Conditions in Children
Hand & Wrist Injuries / Conditions
Hand Deformities: Hand & Arm Differences
Head Injuries & Conditions
Henoch-Schönlein Purpura (HSP)
Herniated Disc
High Ankle Sprain
Hip Anteversion
Hip Arthritis
Hip Arthroscopy
Hip Cysts
Hip Dislocation
Hip Dysplasia
Hip Impingement
Hip Labral Tear
Hip Osteotomy
Hip Pain Causes & Treatments
Hip Pain & Injuries in Children
Hip Replacement
Hip Resurfacing
Hip Retroversion
Hip Revision (Revision Total Hip Replacement)
Hockey Injuries & Conditions
Hyaluronic Acid (HA) Injections
Hypermobility Syndrome
Iliotibial Band (IT Band) Syndrome
Inflammatory Arthritis
Inflammatory Disorders
Intracept Procedure (Basivertebral Nerve Ablation)
Injections
Joint Replacement Surgery (Joint Arthroplasty)
Juvenile Arthritis
Juvenile Dermatomyositis
Juvenile Lupus (SLE)
Juvenile Scleroderma
Kawasaki Disease
Knee Arthritis
Knee Arthroscopy
Knee Gel Injections
Knee Pain Causes & Treatments
Knee Replacement
Knee Revision (Revision Knee Replacement)
Kneecap (Patella) Injuries & Conditions
Knock Knee
Kyphosis
Labral Tears of the Hip
Labral Tear of the Shoulder
Laminectomy
Laminotomy
Lateral Epicondylitis
Leg Fractures
Leg Injuries & Conditions
Leg Injuries / Knee Conditions in Children
Leg Length Discrepancy
Ligament Injuries
Limb Lengthening Surgery
Lower Back Pain
Lumbar Disc Herniations
Lumbar Fusion
Lumbar Radiculopathy
Lumbar Stenosis
Lupus
Lupus Nephritis
Lyme Disease
Massage Therapy
MCL Tear / Injury
Medial Epicondylitis
Medial Patellofemoral Ligament Reconstruction
Meniscus Injury / Tear
Meniscus Surgery
Metastatic Bone Disease
Midfoot Fusion
Minimally Invasive Spine Surgery
Miserable Malalignment
Mixed Connective Tissue Disease
MPFL Reconstruction
Microdiscectomy
Morton's Neuroma
MRI (Magnetic Resonance Imaging)
MR Neurography
Muscle Injuries & Disorders
Muscular Torticollis
Musculoskeletal Ultrasound
Myositis
Neck Sprain
Nerve Injuries
Neuralgic Amyotrophy
Neurofibromatosis Surgery
NSAIDs
Nutrition for Bone & Joint Health
Neck Injuries & Conditions
Open Fracture
Orthotics
Osgood-Schlatter Disease
Osseointegration Limb Replacement
Osteoarthritis
Osteochondral Lesion of the Talus
Osteochondritis Dissecans of the Knee
Osteogenesis Imperfecta (Brittle Bone Disease)
Osteolysis
Osteopenia
Osteoporosis
Osteosarcoma (Bone Cancer)
Osteotomy
Outpatient Hip Replacement Surgery
Outpatient Knee Replacement Surgery
Outpatient Orthopedic Surgery
Paget's Disease
Pain Management After Surgery
Pain Management for Chronic Pain
Parsonage-Turner Syndrome
Partial Knee Replacement
Patellofemoral Disorders
Pediatric - Entire Body / Systemic Conditions
Pediatric Anesthesia
Pelvic Fracture
Pelvis / Hip Conditions & Treatments
Periacetabular Osteotomy
Perioperative Medicine
Perthes Disease
Physical Therapy
Plantar Fasciitis
Platelet-Rich Plasma (PRP) Injections
Polydactyly
Posterior Cruciate Ligament (PCL) Injuries
Posterior Tibial Tendon Dysfunction
Poststreptococcal Inflammatory Syndromes
Pseudogout
Psoriatic Arthritis
Pump Bump
Radiculopathy
Radiofrequency Ablation
Raynaud's Phenomenon
Reactive Arthritis
Regenerative Medicine
Regional Anesthesia
Rehabilitation
Reiter's Syndrome (Reactive Arthritis)
Retrocalcaneal Bursitis
Reverse Shoulder Replacement
Rheumatic Fever
Rheumatoid Arthritis
Rhizotomy
Robotic Knee Replacement Surgery
Rotator Cuff Pain
Rotator Cuff Tear
Runner's Knee
Running Injuries & Conditions
Same-day Hip Replacement
Same-day Knee Replacement
Same-day Orthopedic Surgery
Sarcoidosis
Sarcoma - Osteosarcoma
Synovectomy
Sarcoma - Soft-Tissue
Scaphoid (Wrist) Injuries
Sciatica
Scleroderma
Scoliosis
Sesamoiditis (Forefoot Pain)
Shin Splints
Shoulder Arthritis
Shoulder Arthroscopy
Shoulder Bursitis
Shoulder Dislocation
Shoulder Impingement
Shoulder Labral Tear
Shoulder Pain Causes & Treatments
Shoulder Replacement
Shoulder Separation
Shoulder Tendonitis
Sjogren's Syndrome (Sjogren's Disease)
Skeletal Dysplasias
Skiing/Snowboarding Injuries
SLAP Tear
Slipped Disc (Herniated Disc)
Soccer Injuries & Conditions
Soft-Tissue Sarcoma
Spica Cast
Spina Bifida
Spinal Decompression Surgery
Spinal Fusion Surgery
Spinal Stenosis
Spinal Tumors
Spine Injuries & Conditions
Spine Fractures
Spine Surgery
Spondyloarthritis / Spondyloarthropathy
Spondylolisthesis
Spondylolysis (Pars Fracture)
Sports Hernia
Sports Injuries
Sprained Ankle
Strained Hip
Stress Fracture
Surgical Hip Dislocation
Swimming Injuries & Conditions
Synovectomy
Syndactyly (Webbed Fingers or Toes)
Synovitis
Systemic Juvenile Idiopathic Arthritis
Tarsal Coalition
Tendinosis
Tendon Injuries & Conditions
Tendon Ruptures
Tendonitis / Tendinitis
Tennis Elbow (Lateral Epicondylitis)
Tennis Injuries & Conditions
Tetra-torsional Malalignment
TLIF Surgery
Thoracic Outlet Syndrome (TOS)
Thumb Arthritis
Thumb Injuries & Conditions
Tibial Pseudarthrosis
Tibial Tubercle Transfer
Tommy John Surgery
Torn ACL
Torn Glenoid (Shoulder) Labrum
Torn Hip Labrum
Torn Meniscus
Torticollis
Trigger Finger
Trigger Point Injections
Tumors - Benign Bone Tumor
Tumors - Metastatic Bone Disease
Tumors - Osteosarcoma
Tumors - Spinal
UCL Injury (Tommy John Injury)
Ulnar Nerve Entrapment
Ultrasound
Undifferentiated Connective Tissue Disease
Unicondylar Knee Replacement
Uveitis
Find more information
Although we aim to provide as much clinical education as possible, the content in this library does not represent every condition HSS treats, nor every treatment offered. If you don't find the information you seek here, visit:
- Find a Doctor to search for doctors and other clinicians by condition or treatment and to book an appointment online.
- Patient and Visitor Information to browse HSS departments, services and centers, and find information about Hospital services.