幼児の下顎枝に発生し再発した単純性骨嚢胞の1例

• Published in: 日本口腔外科学会雑誌 Vol. 60; no. 10; pp. 556 - 560
• Main Authors: 加藤, 広禄, 宮崎, 真帆, 田中, 彰, 吉田, 完, 川尻, 秀一, 山本, 悦秀
• Format: Journal Article
• Language: Japanese
• Published: 社団法人 日本口腔外科学会 20.10.2014
• Subjects: 下顎枝; 再発; 単純性骨嚢胞; 幼児
• ISSN: 0021-5163; 2186-1579
• DOI: 10.5794/jjoms.60.556

Simple bone cysts rarely occur in the mandibular ramus and are extremely rare in early childhood. We report a recurrent case of a simple bone cyst in an infant. A 4-year-old boy was referred to our department because of swelling of the left cheek. A clinical examination confirmed left cheek swelling and bone expansion of the mandibular ramus. Radiographs showed a large radiolucent, monolocular lesion in the left mandibular ramus, and thinning and bulging of the buccal cortical bone was confirmed. A clinical diagnosis of mandibular cyst was made. Surgical treatment was carried out and revealed serious fluid with no cyst wall in the bone cavity. Alternatively, we diagnosed the lesion as a simple bone cyst. Although radiographic follow-up indicated new bone regeneration, the cystic lesion recurred 4 years 3 months after surgery. Surgical treatment was performed again, and the pathological diagnosis was a simple bone cyst. The mandible showed osseous healing, and there was no recurrence 2 years after the second operation.