1.The Algorithm-Oriented Management of Nasal Bone Fracture according to Stranc's Classification System.
Ki Sung PARK ; Seung Soo KIM ; Wu Seop LEE ; Wan Suk YANG
Archives of Craniofacial Surgery 2017;18(2):97-104
BACKGROUND: Nasal bone fracture is one of the most common facial bone fracture types, and the surgical results exert a strong influence on the facial contour and patient satisfaction. Preventing secondary deformity and restoring the original bone state are the major goals of surgeons managing nasal bone fracture patients. In this study, a treatment algorithm was established by applying the modified open reduction technique and postoperative care for several years. METHODS: This article is a retrospective chart review of 417 patients who had been received surgical treatment from 2014 to 2015. Using prepared questionnaires and visual analogue scale, several components (postoperative nasal contour; degree of pain; minor complications like dry mouth, sleep disturbance, swallowing difficulty, conversation difficulty, and headache; and degree of patient satisfaction) were evaluated. RESULTS: The average scores for the postoperative nasal contour given by three experts, and the degree of patient satisfaction, were within the “satisfied” (4) to “very satisfied” (5) range (4.5, 4.6, 4.5, and 4.2, respectively). The postoperative degree of pain was sufficiently low that the patients needed only the minimum dose of painkiller. The scores for the minor complications (dry mouth, sleep disturbance, swallowing difficulty, conversation difficulty, headache) were relatively low (36.4, 40.8, 65.2, 32.3, and 34 out of the maximum score of 100, respectively). CONCLUSION: Satisfactory results were obtained through the algorithm-oriented management of nasal bone fracture. The degree of postoperative pain and minor complications were considerably low, and the degree of satisfaction with the nasal contour was high.
Classification*
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Congenital Abnormalities
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Deglutition
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Facial Bones
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Headache
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Humans
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Mouth
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Nasal Bone*
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Pain, Postoperative
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Patient Satisfaction
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Postoperative Care
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Retrospective Studies
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Surgeons
2.Treatment of the wide open wound in the Ehlers-Danlos syndrome
Bong Soo BAIK ; Wu Seop LEE ; Ki Sung PARK ; Wan Suk YANG ; So Young JI
Archives of Craniofacial Surgery 2019;20(2):130-133
Ehlers-Danlos syndrome (EDS) is an inherited disorder of collagen biosynthesis and structure, characterized by skin hyperextensibility, joint hypermobility, aberrant scars, and tissue friability. Besides the skin, skeleton (joint) and vessels, other organs such as the eyes and the intestine can be affected in this syndrome. Accordingly, interdisciplinary cooperation is necessary for a successful treatment. Three basic surgical problems are arising due to an EDS: decreased the strength of the tissue causes making the wound dehiscence, increased bleeding tendency due to the blood vessel fragility, and delayed wound healing period. Surgery patients with an EDS require an experienced surgeon in treating EDS patients; the treatment process requires careful tissue handling and a long postoperative care. A surgeon should also recognize whether the patient shows a resistance to local anesthetics and a high risk of hematoma formation. This report describes a patient with a wide open wound on the foot dorsum and delayed wound healing after the primary approximation of the wound margins.
Anesthetics, Local
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Blood Vessels
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Cicatrix
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Collagen
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Connective Tissue Diseases
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Ehlers-Danlos Syndrome
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Foot
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Hematoma
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Hemorrhage
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Humans
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Intestines
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Joint Instability
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Postoperative Care
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Skeleton
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Skin
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Wound Healing
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Wounds and Injuries
3.The treatment of post-traumatic facial skin defect with artificial dermis.
Ki Sung PARK ; Wu Seop LEE ; So Young JI ; Wan Suk YANG
Archives of Craniofacial Surgery 2018;19(1):35-40
BACKGROUND: When a skin defect occurs, clinicians must work to restore the original skin quality as soon as possible. Accordingly, an artificial dermis can be used to supplement the wound and prevent severe scar contracture formation. The Terudermis is an artificial dermis that is simple and easy to use. We investigated the effectiveness of the Terudermis in the treatment of facial skin defects by analyzing previous relevant cases treated in our institution. METHODS: We retrospectively examined 143 patients who were treated with the Terudermis graft in facial skin defect at Dong Kang General Hospital in 2015 and 2016. The patients’ age, sex and location, wound size, complications were analyzed. In addition, the patients were asked to complete a self-satisfaction questionnaire after 18 months from the completion of treatment. The results were compared with that of autologous full-thickness skin graft (FTSG) and split-thickness skin graft (STSG) patients in same period. RESULTS: The mean self-satisfaction scores evaluated by patients were 4.1±1.0, 4.0±1.3 and 3.5±1.8 for the Terudermis graft, FTSG and STSG patients, respectively. With respect to complications, there were fewer incidences of hematoma, partial skin loss and complete skin loss in the Terudermis graft patients. CONCLUSION: In the present study, the Terudermis, when used to treat post-traumatic facial skin defects, is a good alternative option to obtain satisfactory aesthetic outcomes. Also, the Terudermis grafting is a simple and easy treatment method to perform.
Cicatrix
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Contracture
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Dermis*
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Hematoma
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Hospitals, General
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Humans
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Incidence
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Methods
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Retrospective Studies
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Skin*
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Transplants
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Wounds and Injuries
4.Molecular cloning and characterization of porcine ribosomal protein L21.
Wu Sheng SUN ; Ju Lan CHUN ; Dong Hwan KIM ; Jin Seop AHN ; Min Kyu KIM ; In Sul HWANG ; Dae Jin KWON ; Seongsoo HWANG ; Jeong Woong LEE
Journal of Veterinary Science 2017;18(4):531-540
Ribosomal protein L21 (RPL21) is a structural component of the 60S subunit of the eukaryotic ribosome. This protein has an important role in protein synthesis and the occurrence of hereditary diseases. Pig is a common laboratory model, however, to the best of our knowledge, its RPL21 gene has not been cloned to date. In this study, we cloned and identified the full-length sequence of the pig RPL21 gene for the first time. In addition, we examined its expression pattern and function by using overexpression or knockdown approaches. As a result, we obtained a 604 bp segment that contains a 483 bp open reading frame encoding 160 amino acids. The pig RPL21 gene is located in the “+” strand of chromosome 11, which spans 2167 bp from 4199792 to 4201958. Pig RPL21 protein has nine strands and two helices in its secondary structure. Pig RPL21 is predominantly expressed in ovary and lung, at lower levels in kidney, small intestine, and skin, and at the lowest levels in heart and liver. Furthermore, RPL21 expression is closely connected with cell proliferation and cell cycle arrest. The results are intended to provide useful information for the further study of pig RPL21.
Amino Acids
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Cell Cycle Checkpoints
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Cell Proliferation
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Chromosomes, Human, Pair 11
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Clone Cells
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Cloning, Molecular*
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Female
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Gene Expression
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Genetic Diseases, Inborn
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Heart
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Intestine, Small
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Kidney
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Liver
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Lung
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Open Reading Frames
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Ovary
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Ribosomal Proteins*
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Ribosomes
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Skin
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Sus scrofa
5.Treatment of primary cutaneous anaplastic large cell lymphoma
Bong Soo BAIK ; Wu Seop LEE ; So Young JI ; Ki Sung PARK ; Wan Suk YANG ; Sun Young KIM
Archives of Craniofacial Surgery 2019;20(3):207-211
Primary cutaneous anaplastic large cell lymphoma (C-ALCL) is a rare subtype of primary cutaneous lymphoma with a favorable prognosis. Primary cutaneous CD30+ lymphoproliferative disorders, which include C-ALCL and lymphomatoid papulosis, are the second most common group of cutaneous T-cell lymphomas. C-ALCL is comprised of large cells with anaplastic, pleomorphic, or immunoblastic cytomorphology, and indeed, more than 75% of the tumor cells express the CD30 antigen. C-ALCL clinically presents with solitary or localized reddish-brown nodules or tumors, and sometimes indurated papules, and they may be with ulceration covering with dark eschar. Multifocal lesions are seen in 20% of the patients. Extracutaneous dissemination, which mainly involves the regional lymph nodes, occurs in 10% of patients. A 69-year-old man noticed a mild elevated cutaneous lesion containing central ulceration covering with brownish black necrotic tissue on the right lower lip, and the lesion was surgically removed. After the first operation, another skin lesion was developed and the histological examination confirmed the diagnosis, C-ALCL. Eight specimens were excised during the 7-month follow-up period. The patient started the treatment with low-dose oral methotrexate (15 mg/wk) and there was no recurrence for 11 months.
Aged
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Antigens, CD30
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Diagnosis
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Follow-Up Studies
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Humans
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Lip
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Lymph Nodes
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Lymphoma
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Lymphoma, Primary Cutaneous Anaplastic Large Cell
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Lymphoma, T-Cell, Cutaneous
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Lymphomatoid Papulosis
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Lymphoproliferative Disorders
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Methotrexate
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Prognosis
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Recurrence
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Skin
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Ulcer