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20 May 2024 (Vol 47 , Iss 05 )

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31 May 2024 (Vol 47 , Iss 05 )

Journal ID : TMJ-05-01-2022-10958
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Title : A Giant Plunging Sublingual Dermoid Cysts: A Case Report and Review of Anatomy-Surgical Classification

Abstract :

Oral dermoid cysts and ranulae are uncommon, frequently misdiagnosed. Dermoid cysts are subcutaneous located cystic mass that contain epithelium and adnexal structure. Dermoid cysts of the floor of the mouth (DCFOM) are rare comprise only 1.6% to 6.5% of all body dermoid cysts and account for 23% to 34% of head and neck dermoids. There are suspected theories regarding the basis of the pathology and controversy regarding the treatment. The aim of this report is to present a case of a giant dermoid cyst in the floor of mouth that initially misdiagnosed as a ranula and review of its surgical management. A 27 years old woman had a swelling in the sublingual area over 7 months. Ultrasonography (USG) examination revealed a large cystic mass which was 3.1 x 2.5 x 3.1 cm located at sublingual and extended to submental region. Intraoral approach was preferred for marsupialization procedure due to the thinness of the capsule and no recurrence or complaints were detected during follow-up period, but longterm evaluation should be conducted after the primary surgery to evaluate any form of recurrence. When a cystic mass is detected on the floor of oral cavity, we must consider dermoid cysts for differential diagnosis. Surgery is the only treatment. If possible, intraoral approach should be preferred because of its perfect cosmetic results.

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