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Fibrous dysplasia is an uncommon condition, which most obvious expression is the disorder of the osseous tissue setting up. Craniofacial bones are preferential sitting targets. We report a new case, in a 14-year-old boy, whose cytogenetic study neither in peripheral blood nor in tumor cells showed significantly differences.

In a retrospective study, human papillomavirus (HPV) (6/11, 16 and 18 types) were tested using polymerase chain reaction (PCR), in stored formalin-fixed, paraffin-embedded tissue sections, from 36 head and neck adult papillomata. The results, only 20 percent of positive cases, are non consistent with the role of the HPV infection in the etiology of head and neck papillomata in adult patients. However we detect HPV-18 positivity in papillomata with dysplasia.

For many years there has been admitted a close link between climatology and the course of secretory otitis media. Despite of that there are few articles in medical literature covering this subject. As a consequence of the special climate of their Island the AA. study the evolutive run of the illness under different rates of humidity.

After a morphometric study, done in adult temporals, of the inner diametre of the fallopian bony canal, of the thickness of both the epineural space and the nerve trunck (in petrous, tympanic and mastoid segments) and the like with the geniculate ganglion and the pyramidal bend, the AA. thrown out the conclusion that when a generalized edema of the nerve is expected the labyrinthine segment or the distal portion of the mastoidal segment are the sites to be found most precocious or heaviest compressed.