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We have performed an histochemical study with lectins of normal nasal mucosa in 6 patients admitted at Hospital because an abdominal pathology, and other 6 with nasal polyps. Results showed a similar reactivity to lectins of excretory duct cells of seromucous glandulae of basement membrane of normal nasal mucosa and the analogous cells of the nasal polyps mucosa.

We have performed an histochemical study with lectins of the normal nasal mucosa of 6 patients. These patients were admitted at the Hospital for abdominal surgery. A wide biopsy was taken of the inferior nasal turbinate mucosa. The results show a different reactivity between the serous and mucous cells of the submucosal glands and with the goblet cells. We have not found reactivity to DBA, SBA and LTA lectins.

To evaluate partial or radical surgical removal of the maxillary sinus mucosa, 20 New-Zealand albino rabbits were used. After three months, specimens were taken for examination. Bacteriological cultures, light- and electron microscopy were performed, and mucociliary transport was studied. These experimental findings add further support to the concept of performing a conservative sinus procedure rather than a radical removal as a first procedure.