PPT-Tumours of intestine SMALL INTESTINAL TUMOURS

Most common benign tumours are leiomyomas adenomas vascular tumours haemangioma lymphangioma malignant tumours carcinoid tumours lymphomas adenocarcinoma Carcinoid . and . Duodenum. . Upper. . Gastrointestinal. . Surgery. Upper gastrointestinal endoscopy. There are three types of endoscopy looking at the upper GI and . pancreaticobiliary. tracts.. Gastroscopy. IntroductionGastro-intestinal stromal tumours (GIST) are uncom-thegastrointestinal tract. They are preferentially locatedin the stomach and small intestine,whereas the duo-denum is an unusual location Small intestine. Small Intestine, Large Intestine and anal cannel . General Structure of the Digestive Tract. Epithelium with goblet cells and absorptive cells. Lamina . propria. Muscularis. . mucosa. Mixing contractions. Propulsive Contractions. A. ll movements of the small intestine cause at. least some degree of both mixing and. . propulsion.. Mixing Contractions (Segmentation Contractions). When a portion of the small intestine becomes distended. Dr Jane Skeen- for the NZ NCCN Pacific working group. . Germ cell tumours. Rare and highly varied group of tumours. Occurs at several anatomical sites. Histological spectrum from mature to immature teratoma to 4 different malignant subtypes. Laryngeal tumours can be classified into benign and malignant.. .Benign tumours . are rare and include the following types.. 1.Papilloma . it may be single in adult or multiple in infants and children ,this type was discussed under the subject of stridor.. . Single-celled. eukaryotic microorganisms capable of performing all functions . of life. .. . Morphology: . wide variety (from amorphous to well defined). . Structure:. mass of . protoplasm. differentiated into outer. Benign . epidermal . tumors. Premalignant . epidermal . tumours. Malignant epidermal . tumours. Tumours. of the dermis. Benign epidermal tumors. Seborrhoeic. . keratosis. . un-related . to sebaceous . :. . Ass. Prof. . Dr. Ban . Hadi. Hameed. Mustansiriyah. university 2021. LEARNING OBJECTIVES:. Fifth year students should be able to:. Describe the types of malignant ovarian . tumours. Summarize the important points in history and examination to reach the diagnosis. Marco Novelli FAP, MAP, NAP and PPAP Marco Novelli Overview • History of polyposis • Familial adenomatous polyposis • MYH - associated polyposis • NTLH1 - associated polyposis • Other polypo Other paraneoplastic syndromesare more rarely reported, for example, immune-mediated disorders (e.g.thrombocytopenia and glomerulonephritis) and severe anaphylactic shock caused by massive release of Worm & life cycle :. Common in . meditarrian. countries .. Larva of . Echinococcus. . granulosus. .. Intestine of dogs ( definitive host ) → eggs → . grass→sheep. or human. →portal blood→ 70% liver. Dr. . Alaa. . Jamel. Tumours. of the small intestine. Classification. Benign . Adenoma. Gastrointestinal . stomal. . tumour. (. lio. . myoma. ). Lipoma. Hamartoma. (e.g. . peutz-jeghers. syndrome associated with . INTESTINE. The . length of the small bowel varies from . 3 . to . 8.5 m . between the . duodenojejunal. (DJ) flexure to . the . ileocaecal. . valve.. It is . difficult . to . establish the length of the small intestine, and estimates .