Nasolabial cyst

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Nasolabial cyst

  1. 1. Nasolabial cyst Dr T Balasubramanian
  2. 2. Synonyms <ul><li>Klestad't cyst
  3. 3. Non odontogenic cyst
  4. 4. Epithelial inclusion cyst
  5. 5. Fissural cyst </li></ul>
  6. 6. Characteristics <ul><li>Common in females
  7. 7. Always extraosseous in its occurrence
  8. 8. Constantly located under ala nasi
  9. 9. Asymptomatic
  10. 10. No dental displacement </li></ul>
  11. 11. History <ul><li>1882 Zukerland first described this entity. He coined the term nasolabial cyst
  12. 12. 1913 Klestadt first proposed the inclusion theory as the cause for nasolabial cyst
  13. 13. 1982 Brown Kelly described histological features of nasolabial cyst </li></ul>
  14. 14. Clinical features <ul><li>Swelling over face in the nasolabial region
  15. 15. Same swelling over floor of the nose
  16. 16. Asymptomatic
  17. 17. Unilateral nasal block
  18. 18. Rarely pain (infection) </li></ul>
  19. 19. Histology <ul><li>Nasolabial cyst is a soft tissue mass with epithelial lining filled with fluid
  20. 20. It originates from non odontogenic epithelium
  21. 21. Lining epithelium can be pseudostratified columnar, cuboidal epithelium or stratified squamous epithelium </li></ul>
  22. 22. Theories of nasolabial cyst <ul><li>Theory I :This theory supposes that nasolabial cyst arises from entrapped nasolacrimal tissue
  23. 23. Klestadt theory: This theory proposes that these cysts arise form entrapped tissue within naso labial fissures. Hence he coined the term fissural cyst </li></ul>
  24. 24. Imaging <ul><li>Coronal CT nose and pns showing nasolabial cyst
  25. 25. Anterior cut reveals the cyst
  26. 26. Note the non displacement of upper dentition </li></ul>
  27. 27. Surgery <ul><li>Nasolabial cysts are ideally treated by surgery
  28. 28. Sublabial approach </li></ul>
  29. 29. Surgical steps Infiltration
  30. 30. Incision <ul><li>Sublabial incision
  31. 31. Care should be taken not to rupture the cyst
  32. 32. Use of 15 blade is ideal </li></ul>
  33. 33. Cyst exposure
  34. 34. Cyst could rupture like this
  35. 35. Cyst excision
  36. 36. Post excision cavity
  37. 37. Wound closure with catgut
  38. 38. Thank you

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