1. Colorectal cancer (CRC): Dr.Mohammad Shaikhani. MBChB/CABM/FRCP . 2. CRC:PRECURSORS Most develop from polyps via adenoma-carcinoma sequence30-50% of adults develop adenomatous…

Slide 1Familial adenomatous polyposis Best Practice Guidelines Slide 2 Lynch: Cancer:100, No1,2004 Contribution of familial cancer syndromes to colorectal cancer Slide 3…

1. Colorectal PolypsAhmed A Abou-ZeidProfessor of SurgeryAin Shams University 2. What is a Polyp• Any lesion that is elevated abovethe mucosal surface of the bowel 3. Classification•…

1. Tumor Suppressor Genes 2. What are tumor suppressor genes?Repression of genes that are essential for the continuing of thecell cycle.Coupling the cell cycle…

1. Pediatric Malignant Gliomas MD. Yan Carlos Vargas Caycho MR Radiation Oncology Edgardo Rebagliati Martins Hospital Lima - PERU 2. Pediatric CNS Tumors Gliomas Low-Grade…

Section 12 Etiology and Oncogenesis of Tumors Acquired (environmental) DNA damaging agents: Chemicals Radiation viruses Normal cell DNA Damage Mutations in the genome of…

Slide 1 A signal transducer and cancer Neurofibromin, ras, and cancer - utah Slide 2 Tumor suppressor genes Table 20.3 Protein products suppress uncontrolled cell proliferation…

Slide 1 Colon Cancer by Bryan E. Mosora, D.O. Slide 2 Prevalence Third most common cancer in both men and women in the United States The American Cancer Society estimates…

Slide 1 Slide 2 left lower quadrant mass causes 1-Skin Sebaceous cyst (malformation) Abscess (inflammation) Primary and metastatic carcinomas (neoplasm) Contusion(truma)…

The Intestine The Intestine Small Intestine Between the stomach and large intestine Where most digestion and absorption happens 19 feet long Parts of the small intestine…