NMS. Surgery

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Contents

12 Spleen Disorders. . . . . . . . . . . . . . . . . 225 Shannon M. Larabee, Ajay Jain and Stephen M. Kavic General Principles 225 Pathology 228 Splenectomy 232

13 Small Intestine Disorders. . . . . . . . . . . . . . 234 Olivia A. Martin and Douglas Turner

Anatomy and Physiology 235 Small Bowel Obstruction 238 Tumors 240 Crohn Disease 242 Diverticular Disease 243 Short Gut Syndrome 244

14 Colon, Rectal, and Anal Disorders. . . . . . . . . . 245 Jessica Felton, Ilaria Caturegli, Bryce Haac, Christine Schad and Andrea Bafford Anatomy and Physiology 246

Patient Evaluation 250 Bowel Preparation 252 Benign and Malignant Colorectal Tumors 252 Diverticular Disease 259 Angiodysplasia 262 Inflammatory Bowel Disease 263 Anorectal Dysfunction 271 Obstructed Defecation (Pelvic Floor–Outlet Obstruction) 272 Benign Anorectal Disease 273 Perianal and Anal Canal Neoplasms 278

15 Hernia Disorders. . . . . . . . . . . . . . . . . 281 Hossam Abdou, Ifeanyi Chinedozi and Stephen M. Kavic General Principles 282

Inguinal Hernia 283 Ventral Hernia 286 Femoral Hernia 287 Obturator Hernia 287 Lumbar Hernia 288 Parastomal Hernia 288 Spigelian Hernia 289