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Tibial Tuberosity Apophysitis

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(Redirected from Osgood Schlatter Disease)

Other Names

  • Osgood-Schlatter's Disease
  • Osgood Schlatter's Disease
  • Osteochondrosis
  • Traction apophysitis of the tibial tubercle
  • Lannelongue’s disease
  • Osteochondrosis of the tibial tubercle
  • Traction apophysitis of the tibial tuberosity
  • Osteochondritis of the tibial tubercle

Background

  • This page refers to Tibial Tuberosity apophysitis (TTA), an overuse injury seen in skeletally immature athletes
    • More commonly referred to by its eponym: Osgood Schlatters Disease (OSD)

History

  • First documented in the early 1900s separately by both Osgood and Schlatter[1]

Epidemiology

  • Affects boys age 10-15, girls age 8-12[2]
  • Prevalence of Osgood Schlatter disease is 9.8% in adolescents ages 12 to 15 (need citation)
  • Bilateral symptoms in 20% to 30% of patientss[3]
  • Initially thought to be more common in males than females
    • Now being seen at similar rates in females due increase in female athletes[3]
  • OSD affects 21% of athletic adolescents, while it is seen in 4.5% of age matched nonathletic controls[4]
Illustration of Osgood Schlatter's Disease[5]

.

Extended field of view in long axis of the extensor mechanism[6]

Introduction

General

  • Characterized by knee pain over the tibial tuberosity with a bony prominence
  • Atraumatic, insidious onset of anterior knee pain, at the tibial tuberosity physis where Patellar Tendon inserts
  • Generally considered a self-limited condition
  • Due to repetitive microtrauma, strain from knee extension onto the tibial tubercle apophysis

Stages

  • Early: Pain on the tibial tuberosity after physical activities
  • Late: Pain at rest or during activity

Mechanism of Injury

  • Most often associated with a repetitive running, jumping sport
  • Less commonly, can occur with one sudden traumatic event (sprint, landing, leap)

Etiology

  • Caused by repetitive strain and microtrauma from extensor forces applied by the patellar tendon onto the apophysis of the tibial tubercle[7]
    • Leads to partial loss of continuity at the patellar tendon-cartilage-bone junction
    • An inflammatory process begins resulting in patellar tendinitis, which inevitably progresses
    • As the disease process continues, the patient develops subacute fractures, irregular ossification
  • Bone growth exceeds the ability of the muscle-tendon unit to stretch sufficiently to maintain previous flexibility
    • Rapid growth in the leg at the distal femur, proximal tibia (patient is getting taller)
    • Leads to increased tension across the apophysis
    • Physis is the weakest point in the muscle-tendon-bone-attachment and is at risk of injury from repetitive stress
    • Osteochondrosis develops due to softening and partial avulsion of the apophyseal ossification cente
  • Other cited contributing causes

Associated Conditions

Anatomy of the Extensor Mechanism of the Knee

  • Quadriceps tendon inserts into Patella, Patella Tendon in turn attaches to Tibial Tubercle
  • Tibial Tubercle
    • Develops as a secondary ossification center that provides attachment for the patellar tendon[8]
    • Under age 10: Cartilaginous
    • Age 11-14: Apophysis
    • Age 14-18: Complete bone fusion
    • In adolescents, considered the weakest part of the extensor chain until bone fusion occurs

Risk Factors

  • Biomechanical
    • Poor flexibility of quadriceps and hamstrings
    • Extensor mechanism misalignment
  • Sports
    • Basketball
    • Volleyball
    • Gymnastics
    • Soccer
    • Lacrosse
    • Figure skating

Differential Diagnosis

Clinical Features

Commonly seen prominent tibial tubercle is also classically very tender[9]

History

  • History of a sport involving running, jumping
  • Pain and swelling on tibial tubercle
  • Symptoms are exacerbated by kneeling, jumping, running, climbing stairs
  • Enlarged tibial tubercle
  • Less than 25% of patients complain of pain over the tibial tuberosity (need citation)
  • Initially occurs only with activity and subsides at rest, although pain at rest is a finding in later stages

Physical Exam: Physical Exam Knee

  • Tenderness over tibial tubercle, which may feel firm or irregular
  • Swelling, thickening may also be observed
  • Pain on resisted knee extension
  • Antalgic gait, extensor lag may be present
  • Notably absent are a joint effusion, restriction in range of motion
  • Hamstrings, quadriceps are tight

Special Tests

  • Needs to be updated

Evaluation

  • Fragmentation, soft tissue swelling over the tibial tuberosity[10]
    Fragmentation, soft tissue swelling over the tibial tuberosity[10]
  • More subtle fragmentation and soft tissue swelling seen over the tibial tuberosity[11]
    More subtle fragmentation and soft tissue swelling seen over the tibial tuberosity[11]
Knee US demonstrating severe irregularity of the tibial tuberosity[12]
Prominent anterior tibial tubercle, associated bone marrow edema, edema of hoffa's fat pad[13]

Radiographs

  • Standard Radiographs Knee
    • Helpful to exclude other causes
  • Findings
    • Acute phase may demonstrate soft tissue swelling
    • Irregularity and fragmentation of the tibial tubercle (best seen on lateral view)
    • Thickening of the Patellar Tendon

Ultrasound

  • Findings
    • New bone or callous formation, fragmentation[14]
    • Soft tissue edema of patellar tendon
    • infrapatellar bursitis[15]
    • Thickening of the patellar tendon

MRI

  • Not required for diagnosis
  • Potential findings
    • Soft tissue swelling
    • Thickening and edema of inferior patellar tendon
    • Fragmentation and irregularity of ossification center

Classification

  • Not applicable

Management

Nonoperative

  • Indications
    • Virtually all cases as this is a self limited condition
    • Goal is to reduce pain and swelling
  • Activity Modification/ Relative Rest
    • Prevent continuous contraction of extensor mechanism as guided by level of pain
    • No evidence that rest speeds up recovery though activity restriction reduces pain
    • May continue with sports as long as pain resolves with rest and does not limit activity
    • Can implement alternative activities such as swimming, cycling
  • Ice Therapy
  • NSAIDS
  • Protection
  • Physical Therapy
    • Stretching of hamstrings and posterior chain as well as quadriceps
    • Formal physical therapy if conservative measures are not effective
  • Dextrose Prolotherapy
    • Topol et al found it superior to usual care resulting in more rapid, frequent return to pain free athletic activities[16]
  • Not recommended

Operative

  • Indications
    • Failure of conservative therapy with persistent symptoms
    • After physeal fusion has completed
  • Technique
    • Ossicle excision may be performed in skeletally mature patients with persistent symptoms

Rehab and Return to Play

Rehabilitation

  • Postoperative[18]
    • Hinged knee brace locked in extension, full weight bearing for 3-4 weeks
    • Early passive ROM
    • Straight leg raises
    • At 4-6 weeks, begin active range of motion, strengthening

Return to Play

  • May continue with sports as long as pain resolves with rest and does not limit activity

Prognosis and Complications

Prognosis

  • Self limited condition which resolves at the end stages of skeletal growth
    • Symptoms may persist for years until the physis fuses
    • Cases lasting 12-24 months have been reported[19]
  • Surgical
    • Pihlajamaki et al performed surgery on 178 refractory in military recruits.
      • They found 87% reported no restrictions, 75% hard return to pre-operative level of activity, 38% had no pain when kneeling

Complications

  • Thickened or prominent tibial tubercle (often asymptomatic)
  • Early Knee Osteoarthritis[20]
  • Postoperatively, quadriceps wasting

See Also

Internal

External

References

  1. ↑ Ogden JA, Southwick WO (1976) Osgood–Schlatter’s disease and tibial tuberosity development. Clin Orthop Relat Res 116:180–189
  2. ↑ Osgood Schlatter syndrome. Gholve PA, Scher DM, Khakharia S, et al. http://journals.lww.com/co-pediatrics/Abstract/2007/02000/Osgood_Schlatter_syndrome.8.aspx. Curr Opin Pediatr. 2007;19(1):44–50
  3. ↑ 3.0 3.1 de Lucena GL, dos Santos Gomes C, Guerra RO (2011) Prevalence and associated factors of Osgood–Schlatter syndrome in a population-based sample of Brazilian adolescents. Am J Sports Med 39(2):415–420
  4. ↑ Kujala UM, Kvist M, Heinonen O (1985) Osgood–Schlatter’s disease in adolescent athletes. Retrospective study of incidence and duration. Am J Sports Med 13(4):236–241
  5. ↑ https://radiopaedia.org/cases/8146
  6. ↑ Image courtesy of radiologykey.com
  7. ↑ Gholve PA, Scher DM, Khakharia S, Widmann RF, Green DW (2007) Osgood Schlatter syndrome. Curr Opin Pediatr 19(1):44–50
  8. ↑ Michaleff, Zoe A., et al. "Consultation patterns of children and adolescents with knee pain in UK general practice: analysis of medical records." BMC musculoskeletal disorders 18.1 (2017): 1-12.
  9. ↑ Image courtesy of sportdoctorlondon.com
  10. ↑ https://radiopaedia.org/cases/7511
  11. ↑ https://radiopaedia.org/cases/12158
  12. ↑ Blankstein A. Ultrasound in the diagnosis of clinical orthopedics: The orthopedic stethoscope. World J Orthop 2011; 2(2): 13-24
  13. ↑ https://radiopaedia.org/cases/14154
  14. ↑ Blankstein A, Cohen I, Heim M, Diamant L, Salai M, Chechick A, Ganel A (2001) Ultrasonography as a diagnostic modality in Osgood–Schlatter disease. A clinical study and review of the literature. Arch Orthop Trauma Surg 121(9):536–539
  15. ↑ Osgood-Schlatter lesion: fracture or tendinitis? Scintigraphic, CT, and MR imaging features. Rosenberg ZS, Kawelblum M, Cheung YY, et al. Radiology. 1992;185(3):853–858
  16. ↑ Topol GA, Podesta LA, Reeves KD, Raya MF, Fullerton BD, Yeh HW (2011) Hyperosmolar dextrose injection for recalcitrant Osgood–Schlatter disease. Pediatrics 128(5):e1121–e1128
  17. ↑ Rostron PK, Calver RF (1979) Subcutaneous atrophy following methylprednisolone injection in Osgood–Schlatter epiphysitis. J Bone Joint Surg Am 61(4):627–628
  18. ↑ Baltaci G, Ozer H, Tunay VB (2004) Rehabilitation of avulsion fracture of the tibial tuberosity following Osgood–Schlatter disease. Knee Surg Sports Traumatol Arthrosc 12(2):115–118
  19. ↑ Danneberg, Dirk-Jonas. "Successful Treatment of Osgood–Schlatter Disease with Autologous-Conditioned Plasma in Two Patients." Joints 5.03 (2017): 191-194.
  20. ↑ Robertsen K, Kristensen O, Sommer J (1996) Pseudoarthrosis between a patellar tendon ossicle and the tibial tuberosity in Osgood–Schlatter’s disease. Scand J Med Sci Sports 6(1):57–59
Created by:
John Kiel on 30 June 2019 20:35:01
Last edited:
3 May 2025 21:27:22
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