Abstract
IT IS THE purpose of this report to present two rare tumors of the nasal cavity, with a review of the literature. Case 1 concerns a cystic basal cell carcinoma of the middle turbinate body. Case 2 concerns an adenocarcinoma arising from the same site. During the process of this review, there was found to be a great lack of uniformity in terminology. Thus, the same type of tumor is called cylindroma, adenoma, endothelioma, mixed salivary gland tumor, cystic basal cell carcinoma, adenosarcoma or adenocarcinoma, by both foreign and domestic writers. An attempt at clarifying these terms is made. EMBRYOLOGY OF THE NASAL CAVITY The lining mucosa of the nasal cavity and paranasal sinuses is formed from the invaginating ectoderm of the olfactory plates at the end of the fourth week of embryonic life. It is continuous posteriorly with the mucosa of the nasopharynx, which is entodermal in origin but
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