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39건 · 최신순-
The microsurgical advantage of huge cystic craniopharyngioma following long-term cystic aspirations via Ommaya reservoir: A case report.
[RATIONALE] Craniopharyngiomas are histologically benign tumors with a relatively high recurrence rate. Surgical removal is challenging due to proximity to critical brain structures. This report introduces a staged operation strategy for a …
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Comparative toxicity study of hyaluronic acid fillers crosslinked with 1,4-butanediol diglycidyl ether or poly (ethylene glycol) diglycidyl ether.
Dermal fillers comprising injectable hyaluronic acid (HA) are widely used for soft tissue augmentation, often using crosslinking agents such as 1,4-butanediol diglycidyl ether (BDDE) or poly (ethylene glycol) diglycidyl ether (PEGDE). Here,…
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Efficacy of an Electronic Constant-Speed Injector in Reducing Pain of Local Anesthesia in a Scalp Procedure.
[BACKGROUND] Local anesthesia-related pain is associated with injection speed. An electronic constant-speed injector was developed to deliver slow and steady injections, aiming to alleviate pain during dermatologic anesthesia. We aimed to v…
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Accuracy of artificial intelligence-assisted soft tissue landmark identification in serial lateral cephalograms of Class III two-jaw surgery patients.
[OBJECTIVE] To evaluate the accuracy of artificial intelligence (AI)-assisted soft tissue landmark identification (STLI) on serial lateral cephalograms (Lat-Cephs) of Class III patients treated with two-jaw orthognathic surgery across four …
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Surgical extraction of a cannula tip embedded in the neck after liposuction at an external facility: a case report.
Liposuction is a widely performed aesthetic plastic surgery procedure used for various purposes. The use of advanced liposuction techniques has reduced the risk of complications. Nevertheless, they can still occur unexpectedly. Herein, we r…
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Microsurgery in low- and middle-income countries: Results of 20 years of experience in Cambodia.
[BACKGROUND] Microsurgical free tissue transfer is the gold standard for reconstructing major bone or soft tissue defects but requires complex training, and specific resources. Therefore, some authors have stated that microsurgery is imposs…
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Demographic review of aesthetic surgery for patients with facial palsy.
[BACKGROUND] This study analyzed the demographic characteristics of patients with facial palsy who were treated using either dynamic or static procedures. This study aimed to compare the frequency of procedure implementation and age distrib…
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Papaverine loaded injectable and thermosensitive hydrogel system for improving survival of rat dorsal skin flaps.
Vasospasm during reconstructive microsurgery is a common, uncertain, and devastating phenomena concerning flap survival. Topical vasodilators as antispasmodic agents are widely used to reduce vasospasm and enhance microvascular anastomosis …
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Introducing next-generation transcranial surgery with the head-mounted 3D View Vision display in extracorporeal microsurgery: illustrative cases.
[BACKGROUND] Exoscopy in neurosurgery offers various advantages, including increased freedom of the viewing axis while the surgeon maintains a comfortable upright position. However, the optimal monitor positioning to avoid interference with…
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A multicenter, randomized, double-blind, comparative study of a multiphasic hyaluronic acid filler and existing hyaluronic acid fillers for temporary restoration of the midface volume of Asian individuals.
[BACKGROUND] Giselleligne is the world's first multiphasic gel product that evenly surrounds particles. In the current study, Giselleligne was compared with other existing fillers to evaluate their clinical use, safety, and ability to impro…
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The significance of split-face studies and electromyography in forehead rejuvenation.
[BACKGROUND] Botulinum toxin is a neurotoxic substance with a wide range of uses, from the treatment of musculoskeletal spasms to antiaging regimens by improving wrinkles. Split-face studies in which drugs are injected in the right and left…
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Socioeconomic Influences on Short-term Postoperative Outcomes in Patients With Oral Cavity Cancer Undergoing Free Flap Reconstruction.
[OBJECTIVE] To evaluate the associations between median household income (MHI) and area deprivation index (ADI) on postoperative outcomes in oral cavity cancer. [STUDY DESIGN] Retrospective review (2000-2019). [SETTING] Single-institution…
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Accuracy of artificial intelligence-assisted landmark identification in serial lateral cephalograms of Class III patients who underwent orthodontic treatment and two-jaw orthognathic surgery.
[OBJECTIVE] To investigate the pattern of accuracy change in artificial intelligence-assisted landmark identification (LI) using a convolutional neural network (CNN) algorithm in serial lateral cephalograms (Lat-cephs) of Class III (C-III) …
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Role of Derotation Suture in Bulbous Tip Correction in Asian Rhinoplasty.
In bulbous tip correction, consideration should be given to the presence of cephalic malposition of lower lateral cartilage as well as volume reduction. Derotation suture is a suture technique for tip lengthening but may contribute to bulbo…
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The perforator-centralizing technique for super-thin anterolateral thigh perforator flaps: Minimizing the partial necrosis rate.
[BACKGROUND] Despite the wide demand for thin flaps for various types of extremity reconstruction, the thin elevation technique for anterolateral thigh (ALT) flaps is not very popular because of its technical difficulty and safety concerns.…
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Effect of herbal extracts on peripheral nerve regeneration after microsurgery of the sciatic nerve in rats.
[BACKGROUND] Recent experimental studies using herbal extracts have shown the possibility of peripheral nerve regeneration. This study aimed to investigate the effects of herbal extracts on peripheral nerve regeneration in a rat sciatic ner…
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Therapeutic efficacy of new botulinum toxin identified in CCUG 7968 strain.
Botulinum neurotoxin type A (BoNT/A) induces muscle atrophy by cleaving synaptosomal-associated protein 25. Thus, BoNT/A has been actively utilized for the treatment of masseter and gastrocnemius hypertrophy. In this study, INI101 toxin was…
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Tissue Engineering of Axially Vascularized Soft-Tissue Flaps with a Poly-(ɛ-Caprolactone) Nanofiber-Hydrogel Composite.
To develop a novel approach for tissue engineering of soft-tissue flaps suitable for free microsurgical transfer, using an injectable nanofiber hydrogel composite (NHC) vascularized by an arteriovenous (AV) loop. A rat AV loop model was us…
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Comparison of Volume Retention and Biocompatibility of Acellular Dermal Matrix/Hyaluronic Acid Filler to Autologous Fat Grafts in a Mouse Model.
[BACKGROUND] Although fat grafting has become a widely used technique in aesthetic and reconstructive surgeries, resorption is still a challenge. Micronized acellular dermal matrix (ADM) has been considered as a stable, biocompatible soft t…
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Long-term efficacy and safety of a new botulinum toxin type A preparation in mouse gastrocnemius muscle.
A new type A botulinum toxin (BoNT/A) preparation, JTM201 (NCBI chromosomal DNA ID: CP046450), has been developed, which comprises 900-kDa complexed toxin purified from Clostridium botulinum (strain: NCTC13319), but its safety and efficacy …
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Are There Differences Between Intradermal and Intramuscular Injections of Botulinum Toxin on the Forehead?
[BACKGROUND] The intradermal technique to inject botulinum toxin is a popular procedure in upper facial rejuvenation to minimize side effects, such as brow ptosis, and can sometimes result in a lifting effect. [OBJECTIVE] The present study…
- Discussion: Discrepancies between Registered and Published Primary and Secondary Outcomes in Randomized Controlled Trials within the Plastic Surgery Literature: A Systematic Review.
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Endoscopic botulinum toxin injection for treatment of pharyngeal dysphagia in patients with cricopharyngeal dysfunction.
[BACKGROUND] Dysphagia associated with neurologic disorders is a problem worldwide. However, few studies have assessed the efficacy of endoscopic botulinum toxin injections into the cricopharyngeal muscle using a pharyngoscope. [METHODS] F…
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Use of Irradiated Homologous Costal Cartilage in Rhinoplasty: Complications in Relation to Graft Location.
[BACKGROUND] Nasal septal cartilage and conchal cartilages are preferred sources of grafts in augmentation rhinoplasty. Rib cartilage can also be used, but it may evoke a patient's concerns about a scar and an extensive surgery. In such cas…
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B-Cell Lymphoma in a Patient With a History of Foreign Body Injection.
Dermal filler injection has been one of the most evolving areas of interest in the field of esthetic plastic surgery. This procedure is sometimes preferred to surgery due to shorter procedure and patient recovery times, and because it is su…
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Innovative method to correct Stahl ear that involves full thickness scoring incisions and an onlay graft of cymba conchal cartilage.
We successfully corrected Stahl ear with a combination of scoring incisions and a conchal cartilage graft. The cymba concha was used as an onlay graft, to serve as an anatomical splint. This technique maintains the original size of the ear …
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Conjunctival granuloma with necrosis associated with exposed suture in upper double lid masquerading as ocular surface squamous neoplasia: a case report.
[BACKGROUND] This study reports two cases of conjunctival granuloma with necrosis caused by an exposed suture in the upper palpebral conjunctiva masquerading as ocular surface squamous neoplasia. [CASE PRESENTATION] Two patients presented …
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Superficial Fascia (SF) in the Cheek and Parotid Area: Histology and Magnetic Resonance Image (MRI).
[BACKGROUND] The aim of this study is to compare the superficial fascia (SF) in the cheek and parotid areas histologically and through MRI. [METHODS] An in vitro study included a histological report and an MRI of the cheek of two Korean ad…
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Foreign body granulomas after the use of dermal fillers: pathophysiology, clinical appearance, histologic features, and treatment.
A foreign body granuloma is a non-allergic chronic inflammatory reaction that is mainly composed of multinucleated giant cells. Foreign body granulomas may occur after the administration of any dermal filler. Factors such as the volume of t…
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Comparative study of the effectiveness and safety of porcine and bovine atelocollagen in Asian nasolabial fold correction.
Bovine-derived collagen has been used for soft-tissue augmentation since 1977. However, there are issues regarding the possibility of bovine spongiform encephalopathy (BSE). Researchers discovered that the histologic structure of porcine-de…