Bipartite patella

Bipartite patella
Other namesPatella bipartita
Bipartite patella as seen from front, right knee left
SpecialtyMedical genetics Edit this on Wikidata

Bipartite patella is a condition where the patella, or kneecap, is composed of two separate bones. Instead of fusing together as normally occurs in early childhood, the bones of the patella remain separated.[1] The condition occurs in approximately 1–2% of the population[2][3][4] and is no more likely to occur in males than females.[3][4] It is often asymptomatic and most commonly diagnosed as an incidental finding,[1][4][5] with about 2% of cases becoming symptomatic.[3][4]

Saupe introduced a classification system for Bipartite Patella back in 1921. Type 1: Fragment is located at the bottom of the kneecap (5% of cases) Type 2: Fragment is located on the lateral side of the kneecap (20% of cases) Type 3: Fragment is located on the upper lateral border of the kneecap (75% of cases)[6]

References

  1. 1 2 "Kneecap (Patella) Injury". About.com. Retrieved 13 April 2014.
  2. ↑ "Bipartite Patella - Wheeless´ Textbook of Orthopaedics". Duke Orthopaedics. Retrieved 13 April 2014.
  3. 1 2 3 "Bipartite Patella - Pediatrics - Orthobullets.com". Orthobullets.com. Retrieved 13 April 2014.
  4. 1 2 3 4 "Bipartite Patella | Radiology Reference Article | Radiopaedia.org". Orthobullets.com. Retrieved 13 April 2014.
  5. ↑ Atesok K, Doral MN, Lowe J, Finsterbush A (2008). "Symptomatic bipartite patella: treatment alternatives". J Am Acad Orthop Surg. Journal of the American Academy of Orthopaedic Surgeons. 16 (8): 455–61. doi:10.5435/00124635-200808000-00004. PMID 18664634. S2CID 35458401.
  6. ↑ "Bipartite Patella - Knee Conditions - Knee-Pain-Explained.com". Knee-Pain-Explained.com.


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