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Related Experiment Videos

Evaluation of styloid process by three-dimensional computed tomography.

C Cinar Başekim1, Hakan Mutlu, Atila Güngör

  • 1Department of Radiology, GATA Haydarpasa Teaching Hospital, Kadikoy, 81327 Istanbul, Turkey. cinarbasekim@yahoo.com

European Radiology
|June 29, 2004
PubMed
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This study analyzed styloid process (SP) variations using 3D CT scans in 138 patients. Findings reveal diverse SP lengths, angles, and morphological anomalies, leading to a proposed new classification system.

Area of Science:

  • Anatomy
  • Radiology
  • Medical Imaging

Background:

  • The styloid process (SP) is a bony projection.
  • Variations in SP morphology can be asymptomatic.
  • Understanding SP variations is crucial for anatomical and clinical contexts.

Purpose of the Study:

  • To investigate the length, medial angulations, and structural variants of the styloid process (SP).
  • To evaluate SP morphology in patients without symptoms of elongated SP using 3D CT.
  • To propose a new classification for SP variations based on observed findings.

Main Methods:

  • Temporal computed tomography (CT) scans were performed on 138 patients (87 males, 51 females).
  • Three-dimensional (3D) reconstructions were used to evaluate SP structure, length, and medial angulation.

Related Experiment Videos

  • Morphological findings including absence, ossification, irregularity, fragmentation, and duplication of the SP were documented.

    • Main Results:

    • SP lengths ranged from 1.58 to 5.48 cm (average 2.83 cm).
    • Medial angulations varied from 60.6 to 84.1 degrees (average 69.4 degrees).
    • Novel findings included absence of SP, absence/duplication of the proximal SP part, and specific angle values, forming the basis for a new classification.

    Conclusions:

    • 3D CT is an effective method for evaluating SP morphology.
    • The study identified and classified previously unreported SP variations.
    • These findings contribute to a better understanding of SP anatomical diversity.