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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 27(4); 1984 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1984;27(4): 274-81.
Study of Computed Tomography of 20 Cases of Malignant Maxillary Sinus Tumors
Ky Ryong Bang, MD, Moon Sung Kim, MD, Chul Won Park, MD, Hyung Seok Lee, MD, and Sun Kon Kim, MD
Department of Otolaryngology, College of Medicine, Han Yang University, Korea
상악동 악성종양 20례의 콤퓨터 단층촬영 소견
방기룡 · 김문성 · 박철원 · 이형석 · 김선곤
한양대학교 의과대학 이비인후과학교실
ABSTRACT

CT was done on 20 cases of proven histologically malignant tumors of maxillary sinus for 2 years from July 1982 to June 1984 at Han Yang University Hospital. The results were following : 1) Sex ratio of male to female was 2.3 : 1. 2) Age distribution was from 20 to 67 year old. Maxillary cancer was most frequently occured in the 6th decade. 3) Squamous cell carcinoma was most common as 11 cases histopathologically. Others were 5 cases of malignant lymphoma, 2 cases of adenoid cystic carcinoma, 1 case of malignant melanoma and 1 case of metastatic carcinoma from parotid gland. 4) CT findings were sinus opacification, soft tissue mass, and bone destruction in all cases, fat plane obliteration in 13 cases, bone erosion and displacement in 9 cases and osteosclerosis in 7 cases. 5) Advantages of CT in malignant maxillary sinus tumors comparing with conventional radiologic technique were evaluation of extension to the orbit, infratemporal fossa, pterygopalatine fossa, nasopharynx, pterygoid fossa and intracranial fossa, staging of maxillary sinus tumors and assessing operability and adequacy of radiotherapy fields. 6) Contrast enhancement was of little value in the delineation of maxillary sinus tumors. But intracranal extension of tumor was clearly defined as a result of enhancement. 7) It was impossible to differentiate soft tissue masses of malignant origin from benign origin by available CT technique. Biopsy was the only reliable method for diagnosing malignancy.

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