Sains Malaysiana 48(8)(2019): 1713–1719

http://dx.doi.org/10.17576/jsm-2019-4808-17

The Sella Turcica Dimensions in 12-Year-Old Southern Chinese: A Cross-Sectional Study

(Dimensi Sella Turcica pada Populasi Berusia 12 tahun di Selatan China: Suatu Kajian Keratan Rentas)

MOHD ZAMBRI MOHAMED MAKHBUL¹*, WAN NURAZREENA WAN HASSAN² & RICKY WING KIT WONG³

¹Orthodontic Unit, Klinik Pergigian Cahaya Suria, Banguan Pudu Sentral, Jalan Pudu, Kuala Lumpur, Federal Territory, Malaysia

²Department of Paediatric Dentistry and Orthodontics & Clinical Craniofacial Dentistry Research Group, Faculty of Dentistry, University of Malaya, 50603 Kuala Lumpur, Federal Territory, Malaysia

³Department of Dentistry and Maxillofacial Surgery, United Christian Hospital, Hong Kong SAR, China

Received: 9 February 2019/Accepted: 16 May 2019

ABSTRACT

The objective of the study was to measure the dimensions of the sella turcica in southern Chinese population. This retrospective study measured dimensions of sella turcica from lateral cephalometric radiographs obtained from the University of Hong Kong research database with a total of 582 (277 females and 305 males) 12-year-old southern Chinese children, who were randomly selected from schools in Hong Kong. Measurements were made using ImageJ (V1.45s) software for Windows with Frankfurt plane as the horizontal reference direction. Dimensions between genders were compared using Student’s t-tests. The current study found the antero-posterior length and width were 9.13 mm (SD 2.05) and 9.76 mm (SD 1.54), respectively. The sella was highest posteriorly (7.97 mm; SD 1.75 mm) and shortest anteriorly (7.56 mm; SD 1.42). Sella height anterior, sella height median and sella area were greater (p<0.05) in females by 0.53 mm, 0.24 mm and 3.48 mm2, respectively. In conclusion, this study provides the reference parameters for the dimensions of sella turcica for the Southern Chinese population.

Keywords: Children; Chinese; radiographic film; sella turcica

ABSTRAK

Objektif penyelidikan ini adalah untuk mengukur dimensi sella turcica bagi penduduk di selatan China. Kajian retrospektif ini mengukur dimensi sella turcica melalui radiografi sefalometrik lateral yang diperoleh daripada data penyelidikan Universiti Hong Kong iaitu sebanyak 582 (277 perempuan dan 305 lelaki) kanak-kanak 12 tahun, telah dipilih secara rawak dari sekolah-sekolah di Hong Kong. Pengukuran dibuat dengan menggunakan perisian ImageJ (V1.45s) untuk sistem operasi Windows serta menggunakan planar Frankfurt sebagai rujukan mendatar. Dimensi antara jantina dibandingkan dengan menggunakan ujian t berpasangan. Kajian ini mendapati panjang dan lebar antero-posterior masing-masing adalah 9.13 mm (SD 2.05) dan 9.76 mm (SD 1.54). Sella adalah paling tinggi di posterior (7.97 mm; SD 1.75 mm) dan paling pendek di anterior (7.56 mm; SD 1.42). Ketinggian anterior Sella, ketinggian median sella dan kawasan sella adalah lebih besar (p <0.05) dalam kalangan perempuan, iaitu masing-masing adalah 0.53 mm, 0.24 mm dan 3.48 mm2. Kesimpulannya, kajian ini menyediakan parameter rujukan bagi dimensi sella turcica untuk penduduk di selatan China.

Kata kunci: China; filem radiografik; kanak-kanak; sella turcica

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*Corresponding author; email: zambrimakhbul@gmail.com