44- How Adenoids & Tonsils Grow in Children and Teens
Show notes
Explore how adenoid and tonsil growth affects facial and airway development:
- Study on 90 Japanese children ages 6-20 using cephalometric radiographs.
- Findings show a gradual reduction of adenoid and tonsil sizes, not the expected sharp changes.
- Growth patterns challenge traditional beliefs of post-puberty tissue disappearance.
- Implications for diagnosing snoring, mild sleep apnea, and airway monitoring in orthodontics.
The study highlights that adenoid and tonsil hypertrophy can persist into adulthood, emphasizing the importance of considering lymphoid tissues beyond childhood.
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Show transcript
00:00:00: Have you ever wondered how the growth of adenoids and tonsils can influence facial development, an airway health?
00:00:06: Hello everyone!
00:00:08: Understanding their growth patterns especially in children or adolescents is key to managing breathing issues sleep problems even orthodontic treatment timing.
00:00:19: In this episode, we'll explore fascinating data from Japanese children to uncover how these tissues change with age and why it matters for developing faces.
00:00:33: When we talk about lymphoid tissue growth in children most of us still picture Scummon's famous curve that sharp rise in childhood and steep drop by adolescents.
00:00:45: but a japanese team led by Takayoshi Ishida recently challenged.
00:00:51: Their group followed ninety Japanese children and adolescents from age six to twenty using standardized cephalometric radiographs, To measure adenoid and tonsil size over time.
00:01:03: Instead of the expected dramatic peak in fall what they found was a slow and steady pattern.
00:01:09: The adenoide area declined from roughly three hundred and fifty two two hundred and seventy square millimeters across the fifteen year period And the tonsils from about one hundred and sixty to one hundred ten.
00:01:21: No sharp turning point, no sudden involution.
00:01:25: Just a gradual reduction.
00:01:28: The interesting part is that adenoid and tonsil sizes were correlated at all ages Which means the tissues within Woldeier's ring grow and regress together.
00:01:38: So this traditional idea that these organs disappear after puberty doesn't really hold up.
00:01:43: From clinical points of view This matters.
00:01:46: Many adults we see with snoring or mild sleep apnea still have enlarged adenoids, or tonsils.
00:01:53: These findings explain why because in some people involution simply never fully occurs.
00:02:00: The study gives us a quantitative reference to judge when hypertrophy is truly pathological and it supports cephalometric screening as reliable low radiation way to monitor airway occupation In orthodontic patients.
00:02:13: Of course the data has limits.
00:02:15: The sample was small and entirely Japanese.
00:02:19: It's also a two-dimensional analysis of the three dimensional structure, but it is well executed longitudinal data set that challenges one our field long held assumptions For me to take away as simple.
00:02:33: adenoid and tonsil hypertrophy can persist into young adulthood.
00:02:37: So when we evaluate airway problems in our orthodontic patients, We should never dismiss the lymphoid tissues as a childhood issue.
00:02:46: They stay with us longer than we think!
00:02:48: Thanks for watching.
00:02:49: I'm Dr.
00:02:50: Martin Baxman.
00:02:51: Let's bring science back to orthodonics.
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