-negative extra-nodal marginal zone B-cell lymphoma of Mucosa-Associated Lymphoid Tissue (MALT) type following Roux-en-Y Gastric Bypass (RYGB).

Gastric MALT lymphoma is a common type of non-Hodgkin's lymphoma that has the potential for cure in patients found to have concomitant () infection. This case report explores the evaluation, diagnosis, and treatment of -negative MALT lymphoma in a patient with a history of a RYGB.

A rare presentation of an ACTH-producing high-grade large cell neuroendocrine carcinoma with Cushing's syndrome.

High-grade neuroendocrine tumors (HGNET) are rare neoplasms composed of neural and hormonal with only around 42 cases reported in the last 20 years1. Herein, we describe a rare case of pancreatic HGNET, large cell type, associated with a Cushing's syndrome presentation.