Radiographic diagnosis of gastric emphysema is based on the demonstration of a linear or curvilinear streak of gas collection in the wall of the stomach, and evidence of gastric distension. Gastric emphysema is usually benign and resolve spontaneously without specific therapy. Contributed by “
“This AP24534 chemical structure chapter discusses the background, prevention, diagnosis, treatment and prognosis of vascular complications following liver transplantation (LT). Vascular complications following LT generally fall into three categories: hepatic venous occlusion, portal vein thrombosis and hepatic artery thrombosis (HAT). LT requires

a minimum of three, and very frequently four, vascular anastomoses to establish inflow and outflow to the allograft. Bleeding complications of these anastomoses are readily identified in the operating room, leaving anastomotic stenosis and thrombosis as the leading vascular complications encountered post-operatively. Surgical and radiologic approaches play complementary roles in the diagnosis and management of these potentially catastrophic complications, and early recognition is key to graft and patient survival. “
“A 65-year-old man underwent a selleckchem screening colonoscopy, conducted by his primary physician. The colonoscopy showed a

large pedunculated polyp in the proximal sigmoid colon. No biopsy was performed. The patient had a medical history of hypertension. He had no family history of colon cancer and was referred to our hospital for management of the colon polyp. We performed a colonoscopy for polyp resection. The colonoscopy showed a 2.0 × 1.5 cm pedunculated polyp with a long, thick stalk in the proximal sigmoid colon (Fig. 1a). An endoscopic polypectomy was performed using the clip-and-cut technique. First, three endoclips were positioned to partially clamp the stalk at its base to prevent bleeding. Second, the polyp was resected at the upper portion of the stalk (Fig. 1b). A VIO300D electrosurgical unit (ERBE, Tübingen, Germany) and snare (SD-9U-1, Olympus, Tokyo,

Japan) were used. After resection, we applied additional endoclips to prevent delayed bleeding from the remnant stalk. The remaining part of the stalk in the colonic wall contained a thick, yellowish mucin pool (Fig. 1c). The resected specimen measured 2.0 × 1.5 × 1.5 cm why and was composed of a head portion and stalk containing yellowish mucin. The microscopic findings showed that the overlying epithelium was composed of a mixed hyperplastic adenomatous polyp with low-grade dysplasia (Fig. 2a, HE, orig. mag. × 10). There were multiple cystic dilated mucin-containing glands in the submucosa of the stalk, consistent with colitis cystica profunda (Fig. 2b, HE, orig. mag. × 40). Colitis cystica profunda (CCP) is a rare benign lesion of the colon and rectum characterized by submucosal mucin-filled cysts.