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Efficient Isolation Protocol for B and T Lymphocytes from Human Palatine Tonsils
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Superb Microvascular Imaging of Palatine Tonsils in Healthy Children: A Preliminary Study

Emine Caliskan1, Mehmet Ozturk2, Zuhal Bayramoglu3

  • 1Department of Pediatric Radiology, Istanbul Faculty of Medicine, Istanbul.

Ultrasound Quarterly
|March 30, 2018
PubMed

Insights

This study defined normal vascularity index (VI) values for palatine tonsils in children using superb microvascular imaging (SMI) and power Doppler (PD). Tonsil vascularity decreased with age and increasing body mass index (BMI).

Area of Science:

  • Pediatric Imaging
  • Vascular Biology
  • Otolaryngology

Background:

  • Palatine tonsil vascularity is crucial for immune function but its normal ranges in children are not well-defined.
  • Superb Microvascular Imaging (SMI) offers enhanced visualization of microvasculature compared to traditional Power Doppler (PD).
  • Understanding factors influencing tonsil vascularity is important for diagnosing and managing pediatric conditions.

Purpose of the Study:

  • To establish normal vascularity index (VI) values for palatine tonsils in healthy children using SMI and PD.
  • To investigate the relationship between tonsil VI and demographic factors including age, sex, and body mass index (BMI).

Main Methods:

  • Prospective evaluation of 74 healthy children aged 3-17 years.
  • Measurement of tonsil VI using both SMI and PD.
  • Statistical analysis including Student t test, Mann-Whitney U test, and Spearman correlation to assess relationships with age, sex, and BMI.

Main Results:

  • Mean VI values were higher with SMI (7.5% right, 6.5% left) compared to PD (2.6% right, 2.3% left).
  • Tonsil vascularity showed a significant reduction from school-age to adolescence on SMI.
  • Increased BMI correlated with reduced tonsil vascularity on both SMI and PD.
  • No significant sex-based differences in tonsil vascularity were observed.

Conclusions:

  • Normal VI values for palatine tonsils in children were successfully determined using SMI and PD.
  • Tonsil vascularity significantly decreases during adolescence and is inversely related to BMI.
  • SMI provides higher VI values than PD for assessing palatine tonsil vascularity in children.

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