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Orthopedic Surgery and Upper Extremity
- Orthopedics is a broad and specialized field
- Even doctors may know little about it outside of their specific area
- Upper extremity surgery is more creative and variable than other areas of orthopedics
- Less cookie-cutter, more individualized
- In the 1990s, minimally invasive orthopedic surgery was just starting to take off
- Knee arthroscopy was the first major development
- Shoulder arthroscopy was still primitive
- Open shoulder arthroplasty, open instability repairs, open labral repairs
- Early arthroscopic repairs had high failure rates
- Evolution of devices and techniques
- Transition from metal to plastic to braided polyester anchors
- Tiny drills and suture anchors allow for more precise repairs
- Understanding of the clinical relevance of certain injuries has evolved
- Example: SLAP tears (labral tears) were once considered benign, but now recognized as a significant issue
Anatomy and Evolution of the Upper Extremity
- Standing upright during evolution allowed for greater complexity and functionality in the upper extremity
- Force multiplier in terms of dexterity and capability
- Understanding the anatomy of the shoulder and upper extremity is crucial for orthopedic surgery
- Labrum: a ring of cartilage that surrounds the shoulder socket, providing stability and cushioning
- SLAP tear: a specific type of labral tear that occurs at the top of the shoulder socket, often affecting overhead athletes
- Previously considered benign, now recognized as a significant issue that can cause secondary problems if left untreated
Orthopedics and Shoulder Stability
- Previously considered benign, now recognized as a significant issue that can cause secondary problems if left untreated
- Human body sacrifices stability for mobility and dexterity
- Joints like the shoulder and thumb are less stable but more versatile
- Shoulder joint is a delicate balance of mobility and stability
- Glenoid (socket) is shallow, allowing for a wide range of motion
- Stability relies on soft tissues like ligaments, tendons, and muscles
Rotator Cuff Muscles
- Four muscles make up the rotator cuff:
- Supraspinatus: initiates elevation of the shoulder
- Subscapularis: helps with reaching behind the back and pulling the hand away
- Infraspinatus: external rotator, important for activities like tennis, golf, and weightlifting
- Teres minor: external rotator, also important for stability in various activities
Rotator Cuff Tears
- Can be classified as degenerative or traumatic
- Degenerative tears more common in older individuals
- Traumatic tears more common in younger individuals, often involve bone being pulled off with the tendon
- Tears can occur in any of the four rotator cuff muscles
- Can be in the muscle, at the junction between muscle and tendon, or a complete separation of the tendon from the bone
Dislocations and Subluxations
- Dislocation: joint comes out of place and needs to be put back in
- Subluxation: incomplete dislocation, joint comes out but pops back in easily
- More common with recurrent dislocations or stretchy/compliant tissues
Glenohumeral Joint and Labrum
- More common with recurrent dislocations or stretchy/compliant tissues
- Glenohumeral joint: where the humerus meets the scapula
- Labrum: rubbery, calamari-like structure surrounding the joint
- Provides static stability to the shoulder
- Works like a suction cup, holding the humeral head in place
- Can tear from trauma or repetitive use
Subluxation and Dislocation
- Subluxation: partial dislocation of the shoulder joint
- Can occur without tearing the labrum in individuals with loose joints
- Dislocation: complete separation of the humeral head from the glenoid fossa
- Often results in tearing the labrum and/or ligaments
- Requires significant force or unnatural leverage
Rotator Cuff and Biceps Tendon
- Rotator cuff: group of muscles and tendons that surround the shoulder joint
- Provides dynamic stability to the shoulder
- Biceps tendon: connects the biceps muscle to the shoulder and forearm
- Long head of the biceps tendon can become inflamed and cause pain
- Can tear from wear and tear or acute trauma, leading to a “Popeye muscle” appearance
Shoulder Injuries in Athletes
- Overhead athletes, weightlifters, and swimmers are at risk for shoulder injuries
- Dynamic stabilizers can fatigue, leading to subluxations and secondary inflammation
- May require rest, rehabilitation, and sometimes surgical intervention to restore stability
John Elway and Shoulder Pain
- John Elway, former Denver Broncos quarterback, experienced shoulder pain and considered retirement
- Shoulder pain related to superior labrum tear and biceps tendon issues
Superior Labrum and Biceps Tendon
- Superior labrum tear can cause instability and inflammation in the biceps tendon
- Some orthopedic surgeons may snip and reattach the biceps tendon to alleviate pain (tendinesis)
- A good superior labrum repair can often resolve biceps tendon issues without tendinesis
MRI Findings and Shoulder Issues
- Many people have asymptomatic labral tears or rotator cuff tears
- MRI findings should not be the sole basis for surgical decision-making
- A thorough history, examination, and understanding of the patient’s activities and symptoms are crucial for accurate diagnosis and treatment
Asymptomatic Shoulder Issues and Surgery
- Generally, surgery is not recommended for asymptomatic structural shoulder issues (excluding tumors)
- However, surgery may be considered for patients with significant functional limitations due to shoulder issues, even if pain is not the primary symptom
- Example: An 86-year-old man with a dislocated shoulder and torn rotator cuff tendons regained full function after surgery, allowing him to maintain an active lifestyle for several more years
Shoulder Pain and Injuries - Shoulder pain can be caused by various factors
- Rotator cuff injuries
- Labral instability
- Bicep tendon injury
- Acromioclavicular (AC) joint issues
- Acromioclavicular (AC) joint
- Connects the clavicle (collarbone) to the acromion (part of the scapula)
- Commonly injured in cyclists and people who land on the outside of their shoulder
- Separation of the AC joint is different from dislocation
- Acromion
- Bony roof of the shoulder
- Rotator cuff glides underneath it
- Some people are born with or develop a bone spur, which can cause irritation and rotator cuff tears
- Bursa
- Thin, filmy structure between the acromion and rotator cuff
- Allows for frictionless movement
- Can become inflamed and cause bursitis
- Genetic predispositions and anatomical differences can impact athletic performance and injury risk
- Example: People with certain acromion shapes may be more prone to shoulder injuries in overhead activities
- Knowing these predispositions can help individuals tailor their activities and exercise routines to minimize injury risk
- AC joint arthritis
- Common in middle-aged individuals and beyond
- Can be asymptomatic or symptomatic
- Young weightlifters can develop distal clavicle osteolysis, causing cartilage disintegration and bone softening
Shoulder Pain and Potential Causes
- Shoulder pain can have many causes:
- AC joint problems
- Bursitis
- Rotator cuff injury
- Labral injury
- Bicep tendon inflammation
- Arthritis (usually accompanied by one of the other issues)
- Adhesive capsulitis (frozen shoulder) can also cause shoulder pain
- Common condition, but the cause is not well understood
- Can be multifactorial and complicate diagnoses
Shoulder Exam and MRI Correlation
- A thorough exam and MRI can help identify the cause of shoulder pain
- The MRI can show the capsule, which can indicate adhesive capsulitis if it is high, tight, and thick
- A comprehensive exam can help determine the best course of action, whether it be surgical or non-surgical care
Frozen Shoulder and Neck Pain - Frozen shoulder: spontaneous, intense inflammation in the inner lining of the shoulder
- Can be primary or secondary stiffness
- Old literature claimed it would get better with time, but not always the case
- Only 1 out of 5 patients need surgery; most need physical therapy and inflammation control
- Neck pain can be referred pain from the spine
- Important to differentiate between shoulder and neck pain
- Intrinsic shoulder pathology rarely causes pain below the elbow, while neck pain often does
- C7 nerve can cause deep posterior pain under the scapula
- Treatment for neck pain
- Prednisone and traction can be effective
- Low dose of prednisone can help with mild symptoms without weakness
- Good history and physical exam can lead to accurate diagnosis without extensive imaging
Examining Shoulder and Neck Issues
- Look for atrophy, asymmetry, and abnormalities
- Separated shoulder can cause a visible bump
- Nerve problems can cause indented pectoralis muscle
- Ruptured pectoralis tendon can cause bruising down the arm, not the chest wall
Shoulder Examination and Diagnosis
- Look for asymmetry and palpate various areas
- AC joint, front of the shoulder, pecs, deltoid, acromium, upper trapezius, rhomboid minor/major, levator
- Check range of motion
- Forward elevation, external rotation, internal rotation, abduction
- Test strength
- Rotator cuff, deltoid (anterior, posterior, lateral)
- Perform provocative maneuvers
- Impingement sign, biceps tests (long head, distal), labrum tests (superior, anterior/posterior)
Surgical Treatments for Shoulder Issues
- Labrum repair
- Approach varies depending on the type of tear (SLAP vs. complete tear)
- More technically challenging for complete tears
- Percutaneous approach with small incisions (1–1.5 cm)
Exam Under Anesthesia and Shoulder Surgery
- Exam under anesthesia is crucial for assessing shoulder issues
- Allows for testing of static stabilizers without muscle interference
- Helps determine if a capsulerophy (tightening of the capsule) is needed
- Importance of considering patient’s biological age and specific circumstances
- Precision medicine: evidence-informed decisions based on individual physiology
- Conversations with patients to determine the best course of action
Shoulder Surgery Process
- Camera inserted through the back for a panoramic view
- Angled lenses used to see around corners if needed
- Saline used to insufflate the area, creating space for work
- Lower pressure (35 mercury) used to reduce postoperative pain
- Two working portals in the front for instruments
- Percutaneous hole made for superior labrum access
- Drilling and inserting anchors into the glenoid fossa
- Diameter of hole depends on anchor size (1.8–3mm)
- Anchors inserted with pressure, not screws
- Braided polyester anchors used for strength and stability
Rotator Cuff Repair in Athletes
- Examining the cuff during surgery
- Survey the joint, cartilage surfaces, rotator cuff insertion, and biceps
- Identify inflammation, tears, and abnormalities
- Importance of early diagnosis in athletes
- Pain is evaluated and addressed quickly
- Allows for early intervention and prevention of further damage
- Rotator cuff tears in athletes
- Overhead athletes: superspinatus tear most common
- Linebackers, falling downstairs: subscapularis tear
- Throwing athletes: internal impingement at junction of infraspinatus and superspinatus
- Connection to Tommy John surgery (elbow)
- Shoulder pathology can lead to overcompensation and torque on the elbow
- Torn medial collateral ligament in the elbow can lead to overcompensation in the shoulder
- Advances in rotator cuff repair
- Early diagnosis and intervention
- Improved surgical techniques and understanding of biomechanics
- Full thickness tears can be minimally symptomatic, while partial thickness tears can be very symptomatic
- Repair depends on the size, location, and symptoms of the tear
Partial vs. Full Thickness Tendon Tears
- Partial thickness tear: half the tendon torn
- High-level throwing athletes cannot perform with this injury
- Full thickness tear: entire tendon torn
- Muscle bellies can be torn in strong athletes, such as football players
- Interstitial tearing at the muscular tendon junction
- Can heal without intervention, just time and anti-inflammatory treatment
Stem Cells and PRP in Tendon Healing
- Anecdotal evidence of stem cells and PRP helping in muscle tears
- No clear randomized controlled trials (RCTs) for stem cells in tendon healing
- Many poorly designed studies and financial interests in stem cell treatments
- Natural history of tendon injuries without treatment is not well understood
- Some studies suggest rotator cuff tears do not heal spontaneously
AC Separation in the Shoulder
- AC joint: where the clavicle meets the acromion
- Injuries can range from a sprain (type 1) to a full tear of the ligaments (type 3)
- Type 1: sprain of the AC joint, usually heals on its own with time and rest
- Type 2: partial tear of the coracoclavicular ligaments, may require surgery
- Type 3: complete tear of the coracoclavicular ligaments, often requires surgery
- Treatment often involves wearing a sling to relieve weight from the shoulder
Challenges in Stem Cell Research for Tendon Healing
- Standardizing the process of capturing and processing stem cells
- Ensuring consistent treatment across different companies and clinicians
- Conducting well-designed, controlled studies to determine the effectiveness of stem cell treatments
Shoulder Injuries and Treatments - AC ligament tears and treatment
- Grade 2: partial tear, usually treated non-operatively
- Grade 3: complete tear, may require surgery
- Treatment options depend on severity and patient preferences
- Sternoclavicular joint injuries
- Less common than AC joint injuries
- Can be life-threatening if dislocated behind the manubrium
- May require reconstruction with a tendon from the forearm
- Total shoulder replacement
- Indication: severe pain due to worn down cartilage
- Outpatient procedure for most patients
- Age not a factor; oldest patient was 97 years old
- Some people just develop arthritis without a specific cause
Shoulder and Elbow Anatomy and Injuries
Shoulder Replacement
- Shoulder osteoarthritis can lead to dysfunction and pain
- Shoulder replacement involves:
- Removing the arthritic head of the humerus
- Smoothing the glenoid and inserting a high-density polyethylene component
- Inserting a cobalt chromium or alloy head into the humerus
- Reattaching the subscapularis tendon
- Post-surgery, patients can perform most activities except heavy weightlifting
Elbow Anatomy
- Humerus, radius, and ulna make up the elbow joint
- Tendons originate above the joint and attach below it
- Biceps tendon attaches to the radius
- Lateral side (outside) of the elbow has muscle tendon units attaching to the lateral epicondyle
- Tearing in this area is common in tennis elbow (lateral epicondylitis)
- Medial side (inside) of the elbow has flexor pronator muscles attaching to the medial epicondyle
- Tearing in this area is common in golfer’s elbow (medial epicondylitis)
- Triceps tendon attaches to the tip of the elbow
- Olecranon bursa is located over the tip of the elbow and can become inflamed
Elbow Injuries and Treatments - Elbow injuries can occur in various sports and activities
- Tennis elbow (lateral epicondylitis) — inflammation in the tendon due to one-handed backhands
- Golfer’s elbow (medial epicondylitis) — inflammation in the medial tendon due to overhitting or hitting objects
- Age range for treating these injuries is typically 40–60, but it’s increasing due to people staying active
- First line of treatment for elbow injuries
- Rest, stretching, and strengthening
- NSAIDs (nonsteroidal anti-inflammatory drugs) by mouth
- Cortisone injections in some cases
- Surgical cases for elbow injuries
- Ruptured distal biceps tendon — primary supinator of the forearm
- Surgery involves reattaching the tendon
- Tommy John surgery (medial collateral ligament reconstruction) — for elite throwers who experience a significant loss of throwing speed
- Not necessary for non-athletes or casual players
- Ruptured distal biceps tendon — primary supinator of the forearm
Common misconceptions
* Tommy John surgery is only for elite throwers, not for casual athletes or non-athletes
* Strengthening surrounding muscles can help protect ligaments from injury
Examining the Elbow
- Elbow: complicated joint with many components
- Carrying angle: check for symmetry, swelling, or atypical features
- Distal biceps rupture: common in CrossFit, can be identified by a shifted biceps contour
- Lateral epicondylitis (tennis elbow): pinpoint pain on the lateral epicondyle, can be identified by palpation and resisted wrist extension
- Medial epicondylitis (golfer’s elbow): tenderness on the medial epicondyle, pain during resisted wrist flexion
- Range of motion: important to assess flexion and extension, functional arc of 100 degrees needed for daily activities
- Triceps tendonitis or partial rupture: can be identified by pain during resisted elbow extension from a flexed position
Ideal Position for Triceps Workouts
- Literature suggests humeral flexion to stretch the triceps
- Overhead triceps exercises may be more effective than those done with the arm down
Hand and Wrist Surgery
- Highly specialized field, requiring additional fellowship training after completing orthopedics or plastics program
- Important for mediating contact with the outside world and extremities
Advancements in Hand Surgery and Treatment - Microvascular techniques developed in the past
- Allowed for better treatment of lacerations, war injuries, and nerve/blood vessel-related issues
- Reduced the need for amputations
- Hand transplantation has advanced significantly in recent years
- Involves a large team of surgeons and specialists
- Results are mixed, and ideal candidates are limited
- Generally, bilateral hand amputees are the best candidates
- Electrical prostheses linked to the brain have improved hand function for some patients
- Muscle transfers from other parts of the body can restore some primitive function in the hand
Common Hand Injuries and Treatments
- Injuries can be acute (traumatic) or chronic (wear and tear)
- Acute injuries often involve fractures, dislocations, and ruptures
- Chronic injuries often involve arthritis and sports-related issues
- Scaphoid bone fractures are common and difficult to heal
- Often caused by hard falls with the wrist in a specific position
- Can be difficult to detect on X‑rays, MRI is the preferred imaging modality
- Treatment has evolved over time, with non-operative and operative options available
- Operative treatment may involve specialized screws to promote healing
Herbert Screw and Scaphoid Fracture Treatment
- Herbert screw: game changer for treating scaphoid fractures
- Compresses bones together for better healing
- Different approaches to scaphoid fracture treatment
- Full incision and use of jigs
- Percutaneous approach with small incision
- Faster healing and quicker return to movement
- Non-operative treatment for scaphoid fractures
- Nondisplaced fractures can heal with immobilization
- Cast or splint may be used
- Considerations for treatment include patient’s needs and comorbidities
Hand Anatomy and Nerves
- Median nerve: runs along the thumb side of the wrist
- Ulnar nerve: runs along the pinky side of the wrist
- Radial nerve: sensory nerve along the backside of the hand
- Median nerve size varies, can be up to a centimeter wide in large hands
- Over 60% of higher cortical neurons devoted to hand function
Carpal Tunnel Syndrome
- Carpal tunnel: created by a Roman arch of bones and a thick transverse carpal ligament
- Contains nine flexor tendons and the median nerve
- Carpal tunnel syndrome: compression of the median nerve due to swelling, inflammation, or injury
- Symptoms include numbness and tingling in the thumb, index, middle, and half of the ring finger
- Motor functions of median and ulnar nerves
- Median nerve: controls thumb, index, middle, and half of the ring finger
- Ulnar nerve: controls other hand functions
- Carpal tunnel syndrome can be caused by pregnancy, arthritis, or other factors causing swelling or compression of the median nerve
Carpal Tunnel Syndrome and Typing - Most people don’t get carpal tunnel just from typing
- Massive class action lawsuit against IBM couldn’t prove typing caused carpal tunnel
- However, if you already have it, typing can exacerbate it
- Ergonomics are important to prevent exacerbation
Ulnar Nerve Importance
- Ulnar nerve supplies almost all the small muscles of the hand
- Allows us to spread fingers apart, pull fingers together, and perform complex hand movements
- Cutting the ulnar nerve at the wrist can severely limit hand movement
Opposable Thumb and Evolution
- Opposable thumb is the primary difference between humans and lower primates
- Allowed us to make tools and develop our brains
- Our hands are more primitive in structure compared to our feet, which have adapted for bipedal walking
Common Hand and Wrist Injuries
- Acute traumatic events: fractures and dislocations
- Wear and tear injuries: usually start in middle age and progress into older age
- Degenerative arthritic problems: vary among individuals based on genetics and lifestyle
Common Fractures
- Distal radius fracture: most common, occurs when falling on an outstretched hand
- Both bone forearm fracture: common in kids falling off jungle gyms
- Nightstick fracture: direct blow to the ulna, often from a billy club or similar object
Chronic Hand and Wrist Injuries
- Overuse patterns: tendonitis and tenosynovitis
- Inflammation in the tendon and degeneration of collagen fibers
- Can cause chronic pain if not addressed
Tinocynovitis and Hand Function
- Tinocynovitis: inflammation in watertight tubes of flexor tendons
- Can be caused by overuse, e.g. violinists or heavy weightlifters
- Can lead to pain, limited mobility, and sometimes locking down
- Often treated with cortisone shots or rest, but some cases require minor surgery
- Hand function is crucial for independence
- One stiff finger can make the whole hand feel stiff
- Grip strength is important for carrying things and overall strength
Grip Strength and Finger Importance
- Experiment with pull-ups using fewer fingers
- Removing the pinky finger makes pull-ups significantly harder
- Brain may be protecting other fingers from too much tension
- Pinky and ring finger (under the ulnar nerve) are more important for grip strength than middle, forefinger, and thumb (under the median nerve)
Arthritis in Hands
- Two types: rheumatoid (autoimmune) and osteoarthritis (wear and tear)
- Rheumatoid arthritis less common due to improved medical therapy (biologics)
- Surgery needed for significant functional limitations, usually in the hand
- Osteoarthritis has a genetic component
- Some people more predisposed to developing it
- 50% of people will develop arthritis at the base of their thumb
- Due to biomechanics and high mobility of the thumb
- Of those with pain, 25% may need surgery at some point
- Surgical procedure varies depending on the stage of arthritis
Common Hand and Wrist Issues
- Inspection is important for diagnosing hand and wrist issues
- Look for swelling, bulging, or resting deviations
- Check for atrophy in three places: the thumb, the palm, and the wrist
De Quervain’s Tenosynovitis
- Swelling in the thumb area
- Inflammation of the tendons on the thumb side of the wrist
Basal Joint Arthritis
- Bulging in the base of the thumb
- Arthritis in the joint at the base of the thumb
Torn Radial Collateral Ligament
- Resting deviation of the thumb
- A tear in the ligament on the thumb side of the wrist
Tinocynovitis
- Inflammation of the tendon sheath
- Can be caused by an open injury, pinprick, insect bite, or sports equipment
- Operative urgency or emergency
Ganglion Cyst
- A lump on the wrist, most commonly on the top
- A fluid-filled sac that forms on a joint or tendon
Atrophy
- Loss of muscle mass, can be caused by nerve problems or muscle damage
- Check for atrophy in the thumb, palm, and wrist areas
Trigger Finger
- Inflammation of the tendon sheath in the finger
- Can cause the finger to catch or lock in a bent position
- Can be treated with cortisone injections or surgery
Boutonniere Deformity
- A deformity in which the finger cannot straighten
- Caused by the lateral bands of the tendon slipping below the axis of rotation
- Can result from a direct blow to the knuckle
Tendon Rupture
- Can occur in rock climbers due to excessive force on the tendons
- Can be caused by repeated cortisone injections in the tendon sheath
Tendon Grafts
- Using redundant tendons in the hand to repair damaged tendons
- Palmeris Longus tendon can be used as a graft in some cases
Surgical Repairs
- Basal joint reconstruction using the patient’s own tissue
- High success rate for relieving pain and restoring function
- Most common non-traumatic surgical repair of the hand
Examining Hand and Wrist Injuries - Inspect phenar muscles for atrophy or weakness
- Check rotation, wrist, and finger motion
- 90 degrees of pronation and supination
- 70–90 degrees of extension and flexion
- Check thumb motion and compare between hands
- Test strength of intrinsic muscles (ulnar and median nerves)
- Look for sprained or injured fingers
- Swollen, tender, and limited motion
- Encourage movement for healing
- Examine extrinsic tendons for injuries
- Isolate specific tendons and nerves if needed
- Consider nerve pains and their origins
- Neck, brachial plexus, or specific nerves
- Parsonage Turner syndrome: inflammation of nerves, mixed palsy, and weakness
- Treated with steroids, most recover completely
Diagnosing Shoulder Pain and Nerve Issues
- Shoulder pain can originate from the neck or other areas
- Intrinsic shoulder problems usually don’t cause pain below the elbow
- Numbness in multiple areas can indicate a more complex issue
- Double crush: compression of a nerve in multiple locations, causing symptoms in multiple areas
Pinching of Nerve in the Neck - Can be caused by a disc or phraminal osteophyte
- Results in double crush phenomena
- Compression in the neck and carpal tunnel or cubital tunnel at the elbow
- Treatment may involve physical therapy, steroids, or surgery
Nerve Compressive Neuropathies and Injuries
- Can be diagnosed through electromyography and nerve conduction tests
- Poor man’s neurologic exam can also be helpful
- Palpate nerves in the neck, collarbone, axilla, elbow, and wrist
- Check for numbness, tingling, and pain in specific nerve distributions
Cubital Tunnel Syndrome
- Caused by compression of the ulnar nerve at the elbow
- Can be diagnosed by palpating the nerve in the groove and checking for electrical shocks
- Treatment may involve surgery, especially for throwing athletes
Carpal Tunnel Syndrome
- Caused by compression of the median nerve at the wrist
- Most sensitive and specific test is thumb pressure directly over the transverse carpal ligament
- Other tests include tenEL signs and Phalen’s test
Musician Treatment Foundation
- Founded by the speaker almost six years ago
- Aims to help musicians with nerve injuries and other physical issues affecting their ability to play
Dr. Attia’s Connection to Music and Medicine - Dr. Attia’s passion for music is as strong as his passion for orthopedic surgery
- Started his practice in New York City
- Inherited the care of the New York Philharmonic and Metropolitan Opera Orchestras
- Expanded to treating Broadway musicians and various genres (jazz, rock and roll, etc.)
- Treating musicians is both stressful and rewarding
- Musicians are like athletes in terms of their dedication and the impact of injuries on their livelihood
- Music is a universal language that transcends political boundaries and brings people together
- Musicians contribute to the beauty and entertainment in the world
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