인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
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커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
Abstract Background Primary orbital adenoid cystic carcinoma (ACC) not arising from the lacrimal gland is very rare with few previous case reports either involving the orbital apex, medial orbit or inferior orbit. There is only one previous case report of primary adenoid cystic carcinoma involving the inferior orbit. The aim of this case report was to present a rare instance of primary adenoid cystic carcinoma (ACC) arising in the inferior orbit without lacrimal gland involvement, uniquely associated with skull base and cranial nerve infiltration, and to emphasize the importance of imaging and histopathological evaluation in early diagnosis and management of uncommon orbital tumors. Case presentation Our case is a 65-year-old male presented with progressive ophthalmoplegia. Clinical examination revealed minimal left proptosis. MRI demonstrated an ill-defined inferior orbital mass, extending through the pterygopalatine fossa along the maxillary, vidian, and infraorbital nerves. The lacrimal gland was not involved. CT imaging showed skull base infiltration of the pterygoid process. Biopsy confirmed primary adenoid cystic carcinoma with basaloid and tubular histological patterns. No distant metastasis was identified on systemic staging. The patient received palliative chemoradiotherapy, with subsequent imaging showing partial tumor regression. Conclusion This is the second documented case of primary inferior orbital ACC and the first with concurrent skull base and cranial nerve infiltration without lacrimal gland involvement. Early recognition and accurate imaging by combined MRI with contrast and CT is required for early detection of both perineural spread (PNS) and skull base invasion with consequent early management.
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
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