Application of a standard risk assessment scheme to a North Africa contaminated site (Sfax, Tunisia) -Tier 1.

Phosphorus is a critical element to agriculture, consequently global phosphate rock demand will remain rising to feed a growing world population. The beneficiation of phosphorous ore gives rise to several tons of a waste by-product [phosphogypsum (PG)] which valorisation is limited, within other reasons, by the risks posed to environment and human health. Although threatening, the accumulation in stacks is the only procedure so far practiced by several countries as a means to get rid of this industrial externality.

A gastric collision tumor composed of adenocarcinoma and gastrinoma: case report.

Background: Collision tumors of the stomach are exceedingly rare, with only six previous reported instance in which adenocarcinoma of the stomach were found in association with carcinoid tumor. Only in one case the adenocarcinoma was associated with a gastrinoma.

Aim: we report the second case of Collision tumor between adenocarcinoma and gastrinoma.

[Eosinophilic gastroenteritis with ascites: a case report].

Background: Eosinophilic gastroenteritis is a rare pathology, of undetermined etiology which incidence is in increase. It is characterized by eosinophilic infiltration of the wall of the gastrointestinal tract. Clinical manifestations are very variable and the severity of the clinical picture depends on the site involved and the wall layers infiltrated.

[Retinal venous occlusion in Behçet disease].

Purpose: The aim of our study is to report three cases of retinal venous occlusion in patients with Behçet disease and to discuss the physiopathology of this vascular accident.

Methods: In this retrospective study, out of a series of 32 patients suffering from Behçet disease, we report three cases of retinal venous occlusion. General and ophthalmologic features are described.