[Nasal allergenic provocation test]. / Prueba de provocación alergénica nasal.

This is a method to evaluate both specific sensitivity to allergens in the nasal mucosa, IgE-mediated hypersensitivity, and antiinflammatory and antiallergic drugs efficacy, whose objectives are for research in diagnosis and treatment. The method is based in allergen extracts delivery in the nasal mucosa and the post-challenge measurement of rhinitis symptoms, vasoactive mediators release quantification and nasal obstruction degree evaluated by rhinomanometry. Nasal allergen challenge is a procedure of diagnostic and therapeutic evaluation usefulness, that must be performed in selected patients, in adequate facilities, by experts physicians, with standardised allergen dosages, in an specific nasal area, with objective measurements (rhinomanometry, mediators and secretions of the allergic response) and symptoms scoring that allow get reliable results in patients with allergic rhinitis under study.

Carcinoma nasofaríngeo: presentación de un caso, revisión de la literatura y de la casuística del Instituto Nacional de Pediatría de 1984-1994 / Nasopharynx carcinoma: a case report, review of literature and casuistry at the Instituto Nacional de Pediatría from 1984-1994

Se presenta el caso clínico de un paciente masculino de nueve años de edad con un año de evolución caracterizado por dolor intenso, hemifacila derecho, ataque al estado general, caracterizado por astenia, adinamia e hipodrexia, parálisis facial periférica izquierda y aumento de volumen cervical. La tomografía computada(TC), mostró tumoración que involucra la silla turca, seno cavernoso y fosa infratemporal derecha así como nasofaringe. El estudio histopatológico demostró ser carcinoma de nasofaringe. Se presenta el caso, se revisa la literatura y la casuística del Instituto Nacional de Pediatría de 1984 a 1994