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VALPROATE-INDUCED GINGIVAL OVERGROWTH : A CASE REPORT

Valproate 연관 치은 증식 : 증례 보고

  • Song, Jihyeo (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Lee, Koeun (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Shin, Minkyung (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Kim, Seong-Oh (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Choi, Byungjai (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Choi, Hyung-Jun (Department of Pediatric Dentistry, College of Dentistry, Yonsei University)
  • 송지혜 (연세대학교 치과대학 소아치과학교실) ;
  • 이고은 (연세대학교 치과대학 소아치과학교실) ;
  • 신민경 (연세대학교 치과대학 소아치과학교실) ;
  • 김성오 (연세대학교 치과대학 소아치과학교실) ;
  • 최병재 (연세대학교 치과대학 소아치과학교실) ;
  • 최형준 (연세대학교 치과대학 소아치과학교실)
  • Received : 2018.07.12
  • Accepted : 2018.08.06
  • Published : 2018.12.31

Abstract

Drug-induced gingival overgrowth is an abnormal increase of gingival tissues caused as a side effect of systemic medication. This report presents a severe case of valproate-induced gingival overgrowth combined with ulcerative and hemorrhagic lesions in a patient with Lennox-Gastaut syndrome. Considering the patient's limited cooperative ability, gingivectomy and excisional biopsy under general anesthesia were performed. The lesions were successfully treated without recurrence. When gingival enlargement does not subside with nonsurgical treatments, surgical procedure and excisional biopsy are to be performed. Postoperative management of oral hygiene is critical to prevent recurrence.

Keywords

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Fig. 1. (A) Intraoral photograph and (B) Periapical radiograph taken on the patient’s first visit to the clinic. Gingival overgrowth is observed on mandibular left molar area.

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Fig. 2. (A-C) Preoperative intraoral photographs and (D-F) Postoperative intraoral photographs taken in operating room. (A) and (D) show the maxillary right quadrant. (B) and (E) show the mandibular left quadrant. (C) and (F) show the mandibular right quadrant.

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Fig. 3. (A-C) Histopathological examination of gingival overgrowth. (A) Low-power view showing excess fibrous connective tissue and hemorrhage (H-E, X40). (B) Excessive fibrous connective tissue (HE, X100). (C) Extensive hemorrhage (HE, X100). (D) Mature cancellous bone with fibrous stroma (H-E, X100).

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