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In a factory processing Tungsten carbide and hard metals, of a hundred exposed workers, 15 showed signs of "irritation" which progressed in 5 to clinical, radiological and functional pulmonary fibrosis with altered CO transport. In one patient histological sections were studied and typical findings of dust inclusion seen. Diffuse interstitial fibrosis related to heavy metals is still not yet recognised as an industrial disease in France.

Recording of the electro-gastro-enterogram (E.G.E.G.) and the simultaneous taking of a 70 mm ampliphotography series shows the high degree of correlation between E.G.E.G. and peristaltis, with characteristic waves for each part of the digestive tract, both in the normal condition as well as in certain pathological states. The future and role of the E.G.E.G. appear very promising, on the one hand by virtue of its simplicity and secondly because of the information it is capable of providing from a functional viewpoint. In no case, however, can it replace the precise nature of radiological images.

A 60-year-old man had severe, recurrent rectal haemorrhages. Arteriography showed lesions suggestive of angiodysplasia located in the initial part of the ascending colon. Right-sided hemicolectomy was performed. Angiectasis of the colon is acquired and degenerative. It affects elderly people and is due to dilatation of the veins in the mucosa of the ascending colon. The lesions are usually too small to be detected by barium enema or colonoscopy, but arteriography of the superior mesenteric artery shows pathognomonic images. The only treatment is right-sided hemicolectomy.