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We are submitting a case of haemangiopericytoma of the nasal fossae, diagnosed and treated in our department. This is the second case we have seen as the first one was published by J. Marin and al. (1) in 1979. The patient in question is male, 35 years of age, who suffered from a tumour in the nasal partition, in the left nasal fossa and which made itself evident through repetitious epistaxis. The tumour was removed and there has not, so far, been any relapse. We have carried out a study of the available literature concerning haemangiopericytomas located in the nasal fossae and in the paranasal sinuses and come across 50 cases. In 1987 Chawla compiled 23 cases (2). Of the 50 cases, only 6 are described as being located in the nasal wall. We are submitting a list of all the cases that we have published and gathered with the age and sex of each patient and year of their publication.

The inflammatory pseudotumor of the head and of the neck is a lesion of unknown etiology which affects the orbita more frequently but cases have also been described in the paranasal sinuses, larynx, mouth, cervical column and by direct extension from the orbita in the Central Nervous System. In the majority of cases, it behaves as a limited benignant inflammation within the osseous walls of the area where it is to be found; other times it destroys the osseous limits and invades the surrounding areas, behaving as a neoplasia. It must be distinguished from sinusitis, granulomatous inflammations, vasculitis, diseases of the collagen, sarcoidosis, neoplasias and benignant tumours. We present a case of inflammatory pseudotumour, occupying the right maxillary sinus, nasal fossa and rhinopharynx. Surgical extirpation has been the treatment used.

Cortical auditory evoked potentials (CAEP) were recorded from scalp electrodes in 47 patients, who survived to bacterial meningitis in their childhood. CAEP were obtained from 1 month to 8 years after recovering from acute disease. Neisseria meningitidis was the microorganism more frequently isolated from CSF (43.5%). Exclusively abnormal values in amplitude of CAEP were registered in 15 cases (32%), mainly at the lower tones explored; 14 of them were subjected to conventional audiometric test, which demonstrated unilateral hearing loss only in 2. No alterations in the latency of P2 wave were seen. We recommend to include CAEP in search of hearing disorders in younger children after recovering from meningitis, since they can detect lesions in cortical-subcortical auditory tracts, which otherwise could go unnoticed.

The AA have planned a series of indications regarding the endoscopy of the nasoopharynx. Among 631 explorations done in a three-year term, normal findings were seen in 260 subjects. In the other cases several aspects of the inflammatory or neoplastic pathology could be verified. One individual showed an esthesioneuroblastoma in an early evolutive stage.