Megaduodenum associated with gastric strongyloidiasis.

Gastric strongyloidiasis and megaduodenum are rare diseases. Gastrointestinal (GI) strongyloidiasis has many clinical features. One of them is megaduodenum. We describe a case of a 32-years-old man who has come to us from an endemic area for Strongyloides stercoralis. He had had megaduodenum diagnosed in his childhood. We submitted him to two surgeries. He has recovered just after the second surgery, a Roux-en-Y partial gastrectomy. After that, his follow-up was uneventful and the patient has gained 10kg in weight. Histopathology confirmed gastric strongyloidiasis. In conclusion, if patients arrive from an endemic area of S. stercoralis and if they present GI symptoms or a previous diagnosis of megaduodenum, they must be considered for a histological evaluation for gastric strongyloidiasis.