Novel Presentation of Terminal Ileitis Associated with Secukinumab Therapy.

Inflammatory bowel disease (IBD) and psoriasis are chronic inflammatory immune-mediated diseases. The interleukin-23- (IL23-) T helper (Th)17 pathway has been implicated in their pathogenesis, with multiple biologic therapies targeting this pathway. IL-17, the main proinflammatory cytokine produced by (TH)17, has been targeted by antibodies and IL-17 receptor blockers with favorable outcomes in treating psoriasis and psoriatic arthritis.

Pancreatic Ganglioneuroma Presenting in an Octogenarian.

Pancreatic ganglioneuromas occur mostly in children and rarely in young adults, with no cases reported in adults older than 60 years. An 86-year-old-woman, with active advanced multiple myeloma, presented with epigastric pain for 2 days. Abdominal and pelvic computed tomography demonstrated a distended gallbladder, mildly dilated biliary tree, and a 13 × 8-mm hypodense mass in pancreatic body, without extrapancreatic invasion at endoscopic ultrasound.

Novel Case Report: A Previously Reported, but Pathophysiologically Unexplained, Association Between Collagenous Colitis and Protein-Losing Enteropathy May Be Explained by an Undetected Link with Collagenous Duodenitis.

Collagenous colitis (CC) is associated with non-bloody, watery diarrhea, which is pathophysiologically reasonable because normal colonic absorption (or excretion) of water and electrolytes can be blocked by the abnormally thick collagen layer in CC. However, CC has also been associated with six previous cases of protein-losing enteropathy (PLE), with no pathophysiologic explanation. The colon does not normally absorb (or excrete) amino acids/proteins, which is primarily the function of the small bowel.