Hyewon Hu
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View article: Ultrasound observational anatomical guideline for retrobulbar hyaluronidase injection
Ultrasound observational anatomical guideline for retrobulbar hyaluronidase injection Open
The growing use of injectable cosmetic fillers has been accompanied by an increase in reports of acute vision loss, typically caused by inadvertent intravascular injection and subsequent embolization of the ophthalmic artery, resulting in …
View article: Sonoanatomy of the Nasal Ala for Botulinum Neurotoxin Injection
Sonoanatomy of the Nasal Ala for Botulinum Neurotoxin Injection Open
Background The nasal ala region significantly affects facial aesthetics and function. Botulinum toxin injections may enhance nasal appearance, but their precise impact on underlying muscles remains unexplored. Understanding the muscular an…
View article: How Should We Use Hyaluronidase for Dissolving Hyaluronic Acid Fillers?
How Should We Use Hyaluronidase for Dissolving Hyaluronic Acid Fillers? Open
Background Hyaluronic acid (HA) fillers are commonly used in esthetic medicine for facial contouring and rejuvenation. However, complications such as overcorrection, vascular occlusion, and irregular filler distribution necessitate the use…
View article: Ultrasonographic study and anatomical guidelines for botulinum neurotoxin injection into the parotid gland
Ultrasonographic study and anatomical guidelines for botulinum neurotoxin injection into the parotid gland Open
Benign enlargement of the parotid gland hypertrophy results in a bulky lateral facial contour and esthetic appearance. This study aimed to determine the depth from the skin surface to the parotid fascia, which encompasses the parotid gland…
View article: Anatomical Guidelines and Technical Tips for Neck Aesthetics with Botulinum Toxin
Anatomical Guidelines and Technical Tips for Neck Aesthetics with Botulinum Toxin Open
Botulinum toxin can be used for various purposes to enhance neck aesthetics, addressing concerns such as platysmal bands, optimizing the cervicomental angle, preventing worsening of horizontal neckline and decolletage lines during aging, s…
View article: Review of the Adverse Effects Associated with Dermal Filler Treatments: Part I Nodules, Granuloma, and Migration
Review of the Adverse Effects Associated with Dermal Filler Treatments: Part I Nodules, Granuloma, and Migration Open
The increase in the use of filler treatments within minimally invasive cosmetic surgery has correspondingly escalated the variety and frequency of associated side effects. Initially, unregulated procedures led to primary side effects such …
View article: Adverse Effects Associated with Dermal Filler Treatments: Part II Vascular Complication
Adverse Effects Associated with Dermal Filler Treatments: Part II Vascular Complication Open
Vascular complications arising from dermal filler treatments pose significant risks, including ischemia, tissue necrosis, and severe outcomes like blindness and pulmonary embolism. This study investigates the mechanisms of vascular complic…
View article: Safe Zones for Facial Fillers: Anatomical Study of SubSMAS Spaces in Asians
Safe Zones for Facial Fillers: Anatomical Study of SubSMAS Spaces in Asians Open
The study “Spaces of the Face for Filler Procedures: Identification of subSMAS Spaces Based on Anatomical Study” explores the anatomy of facial spaces crucial for safe and effective filler injections. By delineating the subSMAS (sub-superf…
View article: <scp>Self‐crossing</scp> hyaluronic acid filler with combination use of polydioxanone thread in minipig model
<span>Self‐crossing</span> hyaluronic acid filler with combination use of polydioxanone thread in minipig model Open
Introduction The advances of self‐crossing hyaluronic acid (SC‐HA) fillers combination use with polydioxanone thread in minipigs were examined for compatibility, effectiveness, and immune response. Materials and Methods A 12‐week experimen…
View article: What Are the Factors That Enable Thread Lifting to Last Longer?
What Are the Factors That Enable Thread Lifting to Last Longer? Open
Thread-lifting traditionally addressed aging-related skin laxity by leveraging precise thread placement and traction. However, recent advancements, notably cog threads, expanded its application to younger patients seeking facial contour re…
View article: Do repetitive botulinum neurotoxin injections induce muscle fibrosis? Sonographic observation of the masseter muscle
Do repetitive botulinum neurotoxin injections induce muscle fibrosis? Sonographic observation of the masseter muscle Open
Objective In the esthetic field, the masseter muscle is commonly targeted by botulinum neurotoxin for facial contouring. However, multiple botulinum neurotoxin injections have been reported to cause muscle fibrosis. Ultrasonography can be …
View article: Anatomical Considerations for the Injection of Botulinum Neurotoxin in Shoulder and Arm Contouring
Anatomical Considerations for the Injection of Botulinum Neurotoxin in Shoulder and Arm Contouring Open
The utilization of botulinum neurotoxin in the field of body contouring is on the rise. Body contouring procedures typically focus on specific muscle groups such as the superior trapezius, deltoid, and lateral head of the triceps brachii. …
View article: Botulinum neurotoxin injection for treating plunged nose and post-rhinoplasty: anatomical perspectives of depressor septi nasi, nasalis, leveator labii superioris alaeque nasi muscle
Botulinum neurotoxin injection for treating plunged nose and post-rhinoplasty: anatomical perspectives of depressor septi nasi, nasalis, leveator labii superioris alaeque nasi muscle Open
Botulinum neurotoxin (BoNT) injection for the treating plunged nose, post-rhinopasty and hyaluronic filler migration is common procedures in clinical settings. However, the lack of thorough anatomical understanding makes it difficult to lo…
View article: Intramuscular neural distribution of the teres minor muscle using Sihler’s stain: application to botulinum neurotoxin injection
Intramuscular neural distribution of the teres minor muscle using Sihler’s stain: application to botulinum neurotoxin injection Open
The aim of this study was to elucidate the intramuscular arborization of the teres minor muslce for effective botulinum neurotoxin injection. Twelve specimens from 6 adult Korean cadavers (3 males and 3 females, age ranging from 66 to 78 y…
View article: Does injecting small amounts of fillers prevent the development of secondary blindness?
Does injecting small amounts of fillers prevent the development of secondary blindness? Open
Introduction Inadvertent entry of filler products into the supratrochlear, supraorbital, or dorsal nasal arteries, among other branches of the ophthalmic artery, might result in an immediate and devastating loss of vision. We wanted to exa…
View article: Sihler's staining technique: How to and guidance for botulinum neurotoxin injection in human muscles
Sihler's staining technique: How to and guidance for botulinum neurotoxin injection in human muscles Open
The Sihler's stain is a whole‐mount nerve staining technique that allows visualization of the nerve distribution and permits mapping of the entire nerve supply patterns of the organs, skeletal muscles, mucosa, skin, and other structures th…
View article: Anatomical proposal for hyaluronic acid filler injection in subzygomatic arch depression: A dual‐plane injection technique
Anatomical proposal for hyaluronic acid filler injection in subzygomatic arch depression: A dual‐plane injection technique Open
A subzygomatic arch depression creates a bulky face outline. To smoothen these depressions and correct facial contours, hyaluronic acid filler injection methods are frequently used. However, the complexity of the subzygomatic region make i…
View article: Novel anatomical proposal for botulinum neurotoxin injection targeting depressor anguli oris for treating drooping mouth corner
Novel anatomical proposal for botulinum neurotoxin injection targeting depressor anguli oris for treating drooping mouth corner Open
The depressor anguli oris (DAO) muscle is a thin, superficial muscle located below the corner of the mouth. It is the target for botulinum neurotoxin (BoNT) injection therapy, aimed at treating drooping mouth corners. Hyperactivity of the …
View article: Novel anatomical guidelines for botulinum neurotoxin injection in the mentalis muscle: a review
Novel anatomical guidelines for botulinum neurotoxin injection in the mentalis muscle: a review Open
The mentalis muscle is a paired muscle originating from the alveolar bone of the mandible. This muscle is the main target muscle for botulinum neurotoxin (BoNT) injection therapy, which aims to treat cobblestone chin caused by mentalis hyp…
View article: Intramuscular Neural Distribution of Adductor Pollicis Muscle Spasticity in Cadaver Model Regarding Botulinum Neurotoxin Treatment
Intramuscular Neural Distribution of Adductor Pollicis Muscle Spasticity in Cadaver Model Regarding Botulinum Neurotoxin Treatment Open
The result suggests that botulinum neurotoxin should be delivered at the middle of second metacarpal bone via deep injection.
View article: Anatomical Proposal for Botulinum Neurotoxin Injection Targeting the Platysma Muscle for Treating Platysmal Band and Jawline Lifting: A Review
Anatomical Proposal for Botulinum Neurotoxin Injection Targeting the Platysma Muscle for Treating Platysmal Band and Jawline Lifting: A Review Open
The platysma muscle is a thin superficial muscle that covers the entire neck and lower part of the face. The platysma muscle is the primary target muscle for botulinum neurotoxin injection therapy aimed at treating platysmal band and lower…
View article: Face painting as an anatomical learning tool based on individual ultrasonographic examination
Face painting as an anatomical learning tool based on individual ultrasonographic examination Open
Considering the shift to online education during the COVID‐19 pandemic, new and easily accessible educational videos and content on clinical anatomy are necessary. This study utilized numerous references and data on the anatomy of Asian fa…
View article: Guidance to trigger point injection for treating myofascial pain syndrome: Intramuscular neural distribution of the quadratus lumborum
Guidance to trigger point injection for treating myofascial pain syndrome: Intramuscular neural distribution of the quadratus lumborum Open
Postural habits and repetitive motion contribute toward the progress of myofascial pain by affecting overload on specific muscles, the quadratus lumborum (QL) muscle being the most frequently involved. The therapy of myofascial pain syndro…
View article: Novel Anatomical Guidelines on Botulinum Neurotoxin Injection for Wrinkles in the Nose Region
Novel Anatomical Guidelines on Botulinum Neurotoxin Injection for Wrinkles in the Nose Region Open
Botulinum neurotoxin injection surrounding the nose area is frequently used in aesthetic settings. However, there is a shortage of thorough anatomical understanding that makes it difficult to treat wrinkles in the nose area. In this study,…
View article: Anatomical Proposal for Botulinum Neurotoxin Injection for Glabellar Frown Lines
Anatomical Proposal for Botulinum Neurotoxin Injection for Glabellar Frown Lines Open
Botulinum neurotoxin injection for treating glabellar frown lines is a commonly used method; however, side effects, such as ptosis and samurai eyebrow, have been reported due to a lack of comprehensive anatomical knowledge. The anatomical …