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Histone variants are the histone proteins with structural and sequence variations. These variants may be regarded as “mutant” forms that replace their canonical histone counterparts in the nucleosomes. Specific post-translational modifications on the histone variants enable further chromatin complexity and regulate tissue-specific gene expression. The most common histone variants are from histone H2A, H2B, and linker histone H1 families. However, several variants of histone H3...
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The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
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Developmental psychology explores the changes and continuities in human abilities throughout life, encompassing physical, cognitive, linguistic, and social dimensions. Human development is not restricted to growth, but includes aspects of decline, particularly in physical abilities as individuals age. Developmental psychologists seek to understand how people change as they age and how their mental and social skills evolve.Developmental MilestonesA key concept in developmental psychology is...
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Related Experiment Video

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A developmental variant of the thyroid cartilage.

Sanaa Jamali1, Etienne Danse1

  • 1Cliniques Universitaires Saint Luc , Bruksela , Belgia.

Journal of Ultrasonography
|July 30, 2019
PubMed
Summary

Thyroid cartilage cyst-like lesions are uncommon incidental findings during neck sonography. These benign anatomical variants detected via ultrasound and MRI require no further assessment or clinical intervention.

Area of Science:

  • Radiology
  • Anatomy
  • Medical Imaging

Background:

  • Neck sonography is a primary imaging modality for neck pain and swelling.
  • Understanding normal sonographic findings is crucial for accurate patient diagnosis.
  • Anatomical variants of the thyroid cartilage are detectable via sonography but often overlooked.

Purpose of the Study:

  • To report on uncommon cyst-like lesions of the thyroid cartilage.
  • To illustrate the imaging characteristics of these formations using ultrasound and MRI.
  • To emphasize their benign nature and lack of clinical significance.

Main Methods:

  • Case report detailing imaging findings.
  • Utilized ultrasound and magnetic resonance imaging (MRI) for characterization.

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  • Focused on sonographic analysis of the thyroid cartilage.

    • Main Results:

    • Identified and illustrated benign, cyst-like formations of the thyroid cartilage.
    • Demonstrated characteristic appearances on both ultrasound and MRI.
    • Confirmed these findings as anatomical variants, not pathologies.

    Conclusions:

    • Cyst-like lesions of the thyroid cartilage are benign incidental findings.
    • These variants do not require further investigation or treatment.
    • Awareness of these sonographic findings aids in correct interpretation and patient management.