[Duodenal type folicular lymphoma: case report and literature review].

Duodenal type follicular lymphoma is a rare malignancy accounting for less than 4% of primary non-Hodgkin lymphomas of the gastrointestinal tract and it is a new entity that was recently described in the new update WHO 2016. Data regarding long-term outcome are currently lacking, and for that reason, a consensus on the management of this disease has not been established and treatment. We report a case of a 57-year-old female patient diagnosed with duodenal- type follicular lymphoma grade 3a who was treated with R-CHOP.

[Efficacy and complications of double guidewire technique in biliary tract cannulation].

Objective: To determine the efficacy and safety of double guidewire technique in patients with difficult biliary cannulation during ERCP.

Materials And Methods: We conducted a retrospective cohort study of all ERCPs performed between January 2015 and July 2016. DGT was performed in patients for whom biliary cannulation was difficult and guidewire insertion into the pancreatic duct (PD) was inadvertently achieved while attempting the standard WGC technique.

[Colonic histoplasmosis as a diagnostic manifestation of AIDS].

We report the case of 48 year old female patient without a history of significance importance.(refuses blood transfusion). She complaint of diarrhea of four months of duration and weight loss of 8 kg.

[Bleeding in digestive tract caused by jejunal angiodysplasia: complementary value of capsule endoscopy and double-balloon enteroscopy].

We report the case of a 35-year-old male patient, with a history of six months of pallor and dyspnea associated with severe iron deficiency anemia and positive fecal occult blood tests. Endoscopy of the lower and upper gastrointestinal tract, and a small bowel follow-through were performed, but did not reveal the origin of the bledding. Later, a capsule endoscopy study were performed and detected an elevated area - not well defined - with active bleeding in the jejunal portion of the small bowel, for that reason we decided to complement the study with a double balloon enteroscopy, that allowed us to see more clearly the jejunal lesion: an elevated and ulcerated lesion; the area was marked with India ink to guide the surgeon.

[Corticosteroid refractory colonic Crohn disease with successful remission with infliximab].

We review the case of a 14 year old patient complaining of 5 months of bloody and mucous diarrhea, abdominal pain, fever and 10 kg weight loss. At the beginning she received cotrimoxazole and then chloramphenicol with no success. With the suspicious of tuberculosis she was treated for a month with the corresponding drugs with no clinical improvement.