Background:

the gastrointestinal stromal tumors, are mesenchymal tumors that appear in any place of gastrointestinal tract. Many of them can be pediculate and difficult pre-operatory diagnosis.

Objective:

to explain a case of gastrointestinal stromal tumor of difficult localization in duodenum but it is even stranger to find it in jejune.

Clinical case:

a 77-year-old male patient who presents a gastrointestinal stromal tumor located in jejune, he was attended in Amalia Simoni University Hospital, by the emergency services, in the period of 2016-2017.

Conclusions:

the mesenchymal tumors are not frequent and those of gastrointestinal stroma are even rarer but, being the localization jejunal less found and in its majority the diagnosis is made during the surgical act.

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