Publications by authors named "Yongjae Hwang"

Introduction: In secondary cleft lip and nasal deformity (CLND) correction, structural grafts are commonly used to control the nasal tip and restore the symmetry of the ala. However, the septal cartilage in Asians often weak and small. Biocompatible absorbable materials are alternatives to autologous grafts.

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Article Synopsis
  • Robot-assisted latissimus dorsi muscle flap (RLDF) surgery is being used for treating Poland syndrome and breast reconstruction but has some inherent issues.
  • The introduction of the da Vinci single-port system addresses these problems, allowing for a more efficient surgery with better outcomes, as demonstrated in three patients.
  • The surgery had an average operation time of 449 minutes with no complications, highlighting its advantages in reducing operating time, improving cosmetic results, and increasing convenience for surgeons.
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Background: Currently, a variety of treatment modalities are implemented for breast reconstruction. However, clinical prognosis regarding sensory regeneration of the breast and patient-reported satisfaction remains underexamined. In this study, we aimed to compare breast sensibility after various reconstruction.

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The study investigated the osteogenic capacity of a prefabricated periosteal flap created using only skeletonized pedicle transfer without fascia or muscle for vascular induction in rabbit calvarium. A critical-sized bone defect was made in the parietal bone centered on the sagittal suture, and the demineralized bone matrix was implanted. The periosteofascia over the defect was used as a form of prefabricated periosteofascial flap (PPF group, N=10), conventional periosteofascial flap (CPF group, N=10), and nonvascularized free periosteofascial graft (FPG group, N=6).

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Background: Vascularized lymph node transfer (VLNT) is a well-established surgical approach for treating lower extremity lymphedema (LEL). Since VLNT takes time to show effect, a combined approach with lymphaticovenular anastomosis (LVA) may be more advantageous to patients by inducing an immediate improvement. This study aims to describe our experience and evaluate the results of a combined approach.

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Leiomyosarcoma (LMS) of the skin is a rare smooth muscle neoplasm of all soft tissue sarcoma. Because of its prognostic importance, early diagnosis is critical for successful treatment. Since several features and clinical manifestations are similar to those of a keloid scar, the differential diagnosis between these two diseases is difficult, especially in the early stages of cancer that do not show any remarkable features in appearance, or when the patient has a history of previous wounds or surgery.

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Background: Aquafilling filler is used for breast and buttock augmentation, which are the most commonly performed cosmetic surgery procedures. However, complications after using Aquafilling filler for breast augmentation have been reported, and there are concerns regarding its use in large areas, such as the buttocks. We provide our experience with complications after breast augmentation and buttock augmentation using Aquafilling filler.

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