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Adenoidal width and HIV factors

D M Yousem1, L A Loevner, J D Tobey

  • 1Department of Radiology, University of Pennsylvania Medical Center, Philadelphia 19104, USA.

AJNR. American Journal of Neuroradiology
|November 21, 1997
PubMed
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Human immunodeficiency virus (HIV)-positive individuals exhibit increased adenoidal lymphoid tissue compared to controls, independent of hematologic factors. Further research is needed to understand the clinical implications of this finding.

Area of Science:

  • Medical Imaging
  • Immunology
  • Otolaryngology

Background:

  • Adenoidal hypertrophy is a common condition, particularly noted in human immunodeficiency virus (HIV)-positive individuals.
  • Understanding the factors contributing to adenoidal hypertrophy in HIV patients is crucial for clinical management.

Purpose of the Study:

  • To identify factors associated with adenoidal hypertrophy in HIV-positive patients.
  • To compare adenoidal tissue dimensions between HIV-positive individuals and healthy controls.

Main Methods:

  • Retrospective analysis of sagittal T1-weighted MR images from 21 HIV-positive patients and 21 controls.
  • Independent measurements of nasopharyngeal lymphoid tissue by two radiologists.
  • Correlation of adenoidal measurements with hematologic parameters (hematocrit, white blood cell count, CD4 count) in 47 HIV-positive patients.

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Main Results:

  • Mean adenoidal width was significantly greater in HIV-positive patients (6.76 mm) than in controls (3.36 mm).
  • Both age and HIV status were correlated with nasopharyngeal width.
  • No significant relationship was found between adenoidal width and hematocrit, CD4 count, or white blood cell count.

Conclusions:

  • Adenoidal lymphoid tissue is more abundant in HIV-positive individuals compared to age-matched controls.
  • The clinical significance of increased adenoidal tissue in HIV patients requires further investigation.