J Korean Radiol Soc.  1987 Dec;23(6):925-931. 10.3348/jkrs.1987.23.6.925.

CT findings of malignant tumors of maxillary sinus


CT findings of histologically proven malignant tumors of maxillary sinus in 36 patients were retrospectively analyzed. A variety of malignant tumors were included: 27 cases of squamous cell carcinoma, 3 malignant lymphomas, 2 malignant melanomas, 2 rhabdomyosarcomas, and chondrosarcoma, adenoid cystic carcinoma, and malignantameloblastoma. CT staging was T4 in 19 cases, T3 in 16 cases and T2 in 1 case. The most common involved are beyond maxillary antrum was nasal cavity(25 cases), followed by ethmoid sinus(20 cases), orbit (19 cases), infratemporalfossa(17 cases), cheek skin(13 cases), pterygopalatine fossa(10 cases), and nasopharynx(6 cases). Skeletal destruction was seen in medial wall of antrum (31 cases), posterior wall of antrum(25 cases) in that order offrequency. Lymph node metastases were found in 2 cases of malignant melanoma, 2 cases of malignant lymphoma, and chondrosarcoma, squamous cell carcinoma, and malignant ameloblastoma. Predilection site of lymph node involvement was submandibular (3 cases), internal jugular(2 cases), parotid (2 cases), and retropharyngeal node (1 case).

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