1. Using Multidetector Row Computed Tomography to Evaluate Baggy Eyelid
- Author
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Shigemi Sakai, Yasuo Nakajima, Itsuko Okuda, Masahiro Irimoto, Yukio Shirakabe, and Kazuaki Hirata
- Subjects
Adult ,Male ,medicine.medical_specialty ,Aging ,Lower eyelid ,Orbital fat prolapse ,Orbital fat ,Baggy eyelid ,Computed tomography ,Young Adult ,Multidetector computed tomography ,Multidetector Computed Tomography ,Prolapse ,Medicine ,Humans ,cardiovascular diseases ,Herniation ,Aged ,Orbicularis oculi muscle ,medicine.diagnostic_test ,business.industry ,Eyelids ,Anatomy ,Multidetector row computed tomography ,Middle Aged ,eye diseases ,body regions ,Plastic surgery ,medicine.anatomical_structure ,Adipose Tissue ,cardiovascular system ,Original Article ,Female ,Surgery ,Eyelid ,sense organs ,business - Abstract
Background Baggy eyelids, formed by intraorbital fat herniation in the lower eyelids, are a sign of aging observed in the midface. This study aimed to identify the cause of baggy eyelids by evaluating the relationship between orbicularis oculi muscle thickness, orbital fat prolapse length, and age using multidetector row computed tomography (MDCT). Methods The 34 patients in the study ranged in age from 20 to 79 years. The patients were divided into three age groups: 20–29 years, 30–54 years, and 55–79 years. Orbicularis oculi muscle thickness and orbital fat prolapse length were measured using reconstructed computed tomography (CT) images. Results The orbicularis oculi muscle was found to be significantly thinner in the oldest group. Likewise, orbital fat prolapse was found to be significantly more prominent in the oldest group. A strong and significant negative correlation was found between orbicularis oculi muscle thickness and orbital fat prolapse length (r = −0.78; P
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