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조은애산드라,황재영,김성택 연세대학교의과대학 2013 Yonsei medical journal Vol.54 No.6
Botulinum toxin type A (BoNT-A) has been reported as an effective treatment for chronic migraine. When BoNT-A is injected on the frontalis muscle for chronic migraine, an unexpected clinical side effect called the “Mephisto sign” may occur. The aim of this article is to propose a method to eliminate or prevent the Mephisto sign side effect. A 25-year-old female patient visited the hospital and was diagnosed with chronic migraine. A total of 155 U of BoNT-A was injected into 31 sites. 2-weeks later, and the patient developed the Mephisto sign. An additional 2-U dose was administered bilaterally to the lateral-most point of the frontalis muscles, and the eyebrow morphology returned to normal within 2-3 weeks. We propose that the development of the Mephisto sign may be prevented with an additional BoNT-A injection of 2-4 U bilaterally to the lateral most point of the frontalis muscles during the primary injection process.
조은애산드라,김현실,김재영,허종기,전국진 대한구강악안면병리학회 2015 대한구강악안면병리학회지 Vol.39 No.2
Epidermoid cyst of the oral and maxillofacial region is a soft tissue cyst lined with keratinized stratified squamous epithelium and most commonly arises in the superficial area of the mouth floor. Uncommonly, the epidermoid cyst may arise deeply in the submandibular region and should be differentially diagnosed with cystic salivary gland tumors, developmental cysts and other cystic lesions. We report a rare case of an epidermoid cyst near the submandibular gland, clinically and radiographically mistaken as a salivary gland tumor.
조은애산드라,김재영,허종기,전국진,김현실 대한구강악안면병리학회 2015 대한구강악안면병리학회지 Vol.39 No.2
Epidermoid cyst of the oral and maxillofacial region is a soft tissue cyst lined with keratinized stratified squamous epithelium and most commonly arises in the superficial area of the mouth floor. Uncommonly, the epidermoid cyst may arise deeply in the submandibular region and should be differentially diagnosed with cystic salivary gland tumors, developmental cysts and other cystic lesions. We report a rare case of an epidermoid cyst near the submandibular gland, clinically and radiographically mistaken as a salivary gland tumor.
어린 여자 환자의 경구개에 발생한 혈관내 유두모양 내피세포증식증:증례보고 및 문헌고찰
김성민,김동성,이진혁,조은애산드라,김진,김재영 대한구강악안면병리학회 2014 대한구강악안면병리학회지 Vol.38 No.4
Intravascular papillary endothelial hyperplasia (IPEH) is a rare benign vascular lesion that rarely occurs in the oral cavity. Its clinical features are similar to neoplasms, which are easily identified in the oral cavity, and it can be misdiagnosed as an angiosarcoma. Therefore, it is important to recognize the characteristics of the lesion in order to both diagnose and treat it properly. We report a case of IPEH in a young Korean female patient, as well as discuss its differential diagnosis and treatment using a review of the related literature.
Analysis of Neurosensory Dysfunction after Dental Implant Surgery
최영찬,조은애산드라,Robert L. Merrill,김성택,안형준 대한안면통증∙구강내과학회 2014 Journal of Oral Medicine and Pain Vol.39 No.4
Purpose: There have been reports regarding the various factors associated with the level of discomfort and recovery from neurosensory symptoms in patients with trigeminal nerve injury. However, the contributing factors remain uncertain and poorly understood. The purpose of this paper was to investigate the possible association between various factors expected to affect neurosensory discomfort and recovery in patients with mandibular nerve injury after dental implant surgery. Methods: Eighty-nine post-dental implant surgery patients with mandibular nerve injury were enrolled in this retrospective analysis. A medical records review of the patients was done to determine if the patients’ improvement was related to pain intensity, the length of time between the injury and removal of the implant or the depth of penetration of the implant into the mandibular canal as determined by cone-beam computed tomography. Results: There was no significant linear relationship between pain intensity and symptomatic improvement (p=0.319). There was no significant linear relationship between the level of mandibular canal penetration and either pain intensity (p=0.588) or symptomatic improvement (p=0.760). There was a statistically significant linear relationship between length of time before the injury was treated, both with pain intensity (p=0.004), and symptomatic improvement (p=0.024). Conclusions: Our findings indicate that the length of time between nerve injury and initiation of conservative treatment is more closely related to the pain intensity and symptomatic improvement than other factors, including the level of mandibular canal invasion. Additionally, increased pain intensity and decreased symptomatic improvement can be expected over time, because of this linear trend. Therefore, although direct injury to the nerve is the most important factor contributing to a neurosensory disturbances, early neurosensory assessment and initiation of conservative treatment should be done to optimize recovery.
한승용,조은애산드라 대한치과의사협회 2022 대한치과의사협회지 Vol.60 No.9
The philosophy of medicine by Georges Canguilhem, who wrote The Normal and the Pathological, defined pathology as the study that precedes physiology and deals with another norm of life. The debate behind the continuous reclassification of odontogenic keratocyst(OKC) is appropriate example for Canguilhem’s definition. In this paper, we will examine medical and dental cases important at the clinic, especially OKC, and discuss its hidden meanings with a Canguilhem’s point of view.
한다울,조은애산드라 대한구강악안면병리학회 2021 대한구강악안면병리학회지 Vol.45 No.2
Oral-derived bioresources(ODBs) for human-derived material research have been mainly sampled by individual researchers. Difficulties in ODB secure has impeded advances in dental research and associated industries. ODBs have been obtained in a few biobanks within general hospitals, yet the amount of oral-derived specimens is relatively low compared to other organs and lacked practical clinical data. Recently, biobanks of dental hospitals have started systematic management in South Korea, thus these biobanks are expected to invigorate high-quality ODB banking in the field. In this review, we will discuss the collection and utilization of OBDs, such as teeth, dental plaque, gingival crevicular fluid and saliva, and the need of dental hospital-based biobanks.
조영단,조은애산드라,송제선,김영윤,황인성,김선영 대한치주과학회 2023 Journal of Periodontal & Implant Science Vol.53 No.5
Purpose: The Korea Oral Biobank Network (KOBN) was established in 2021 as a branch of the Korea Biobank Network under the Korea Centers for Disease Control and Prevention to provide infrastructure for the collection, management, storage, and utilization of human bioresources from the oral cavity and associated clinical data for basic research and clinical studies. Methods: To address the need for the unification of the biobanking process, the KOBN organized the concept review for all the processes. Results: The KOBN established standard operating procedures for the collection, processing, and storage of oral samples. Conclusions: The importance of collecting high-quality bioresources to generate accurate and reproducible research results has always been emphasized. A standardized procedure is a basic prerequisite for implementing comprehensive quality management of biological resources and accurate data production.
박슬마로,최성환,조은애산드라,김현실,김형준 대한구강악안면병리학회 2018 대한구강악안면병리학회지 Vol.42 No.4
Oral adenosquamous carcinoma (ASC) is a rare and aggressive type of squamous cell carcinoma (SCC). It is characterized by a squamous component originating at the mucosa and a deep glandular component. ASC may be misdiagnosed as SCC by superficial incisional biopsy including only the squamous component. ASC has a worse prognosis than general variants of SCC, so accurate diagnosis is essential for patient survival. We present a case report of a large ASC arising in the buccal mucosa, first mistaken as general SCC.
The Effect of Dilution with 10% Dextrose Solution on the Potency of Botulinum Toxin A
함종욱,권정승,조은애산드라,최종훈 대한안면통증∙구강내과학회 2019 Journal of Oral Medicine and Pain Vol.44 No.1
Purpose: The aim of this study was to compare the potency-stabilizing effects of two different diluents of botulinum toxin A (10% dextrose solution and 0.9% saline). Methods: A mouse lethality bioassay was undertaken. Ninety mice were divided into experimental and control groups which received varying dosages in subgroups of 10. The experimental group was injected with botulinum toxin A diluted with 10% dextrose solution and the control group was injected with botulinum toxin A diluted with 0.9% saline. A 72 hours after intraperitoneal injection, the number of dead mice was counted to confirm median lethal dose (LD50) of each group. Results: The value of LD50 in the experimental group was approximately 0.131 mL (1.31 U) and the value of LD50 in the control group was approximately 0.107 mL (1.07 U). The potency preservation rate of the experimental group was estimated to be 93.5% and that of the control group was estimated to be 76.3%. Conclusions: Dilution with 10% dextrose solution displayed less potency loss than 0.9% saline.