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  Contents > Previous page > Article detail print Order
o Issue N# 4 - 2008 o

RHINOLOGY

Is ethmoidal adenocarcinoma screening in employees exposed to wood dust justified?


Authors : De Gabory L, Conso F, Krief P, Stoll D. (Bordeaux, Paris)

Ref. : Rev Laryngol Otol Rhinol. 2008;129,4:219-226.

Article published in english
Downloadable PDF document english



Summary : Introduction: Since 1995, the means which are used for the follow-up of wood-workers in France are obsolete. Based on expertsí opinions, they have never been assessed as effective in the detection of adenocarcinoma of the ethmoid sinus. Objective: Collecting the data present in the literature to justify the necessity and the means of a screening protocol that would help detect ethmoidal adenocarcinoma among the wood worker population. Method: This is a review of the literature from three data bases: the National Library of Medicine, the French National Institute for Research and Security and the French National Centre for Scientific Research. Only English and French articles were reviewed and they were classified in four categories according to proof tools purposed by the French High Authority for Health. Results: There is a direct statistical relationship between the amount of wood dust and the development of ethmoidal adenocarcinoma, but threshold doses cannot actually be calculated. The relative risk is high starting the first year of exposure and the exposed population is well recognized. Despite the means presently available for follow-up, this lesion is always diagnosed at an advanced stage. Survival rates at 5-years would increase if the tumour were to be detected at stages T1 or T2. The CT scan is not suited for this aim because of its low sensibility in separating soft tissue contrast. On the other hand, the MRI allows the detection of small nasal or sino-nasal tumours with intact osseous boundaries with a 98% sensibility. However, the data from experimental models and healthy human volunteers show that wood-dust settles over the olfactory cleft and the adjacent mucosa. Moreover, in the large majority of cases the implantation pedicle of these tumours is coming from within these areas. Therefore, nasal fibroscopic examination represents the best tool to detect adenocarcinoma of the ethmoid sinuses at its earlier stages. It is well tolerated and its cost is low. Conclusion: A screening of ethmoidal adenocarcinoma seems to be possible with simple means in specific population. An early detection could improve the prognosis of this lesion.

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