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Book 4 - Self Instructional Manual for Cancer Registrars - SEER ...

Book 4 - Self Instructional Manual for Cancer Registrars - SEER ...

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Malignant TumorsTumors of the nasal fossa are rare. The most common type is squamous cell (epidermoid)carcinoma. Other types which occur less frequently are:• Adenocarcinoma• Adenoid cystic• Melanoma• LymphomaA malignant tumor known as esthesioneuroblastoma or esthesioneuroepithelioma,the olfactory nerve, will be found occasionally in the nasal cavities.which arises in432

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