PPT-Tumors

Cell Division Gone Wrong Mike Clark MD Causes of Tumors All tumors are ultimately the result of a genetic aberration The causes for the genetic problems are numerous A growth factor that oversecretes. Begin . Dermoid. cyst. Mucocele. Hemangioma. Lymphangioma. Malignant . rabdomyosarcoma. Benign tumors of the orbit . can develop from infancy and grow rapidly or slowly. It can be superficial and easily identifiable by external presentation, palpation and x – rays or CT scan . Professor Emerita. Vanderbilt University School of Medicine. CNS TUMORS. CNS tumors (neoplasms): abnormal masses of cells produced by . uncontrolled cellular proliferation. ; can be. Primary: . arising from cells in the CNS. Begin . Dermoid. cyst. Mucocele. Hemangioma. Lymphangioma. Malignant . rabdomyosarcoma. Benign tumors of the orbit . can develop from infancy and grow rapidly or slowly. It can be superficial and easily identifiable by external presentation, palpation and x – rays or CT scan . Ali Al Khader, M.D.. Faculty of Medicine. Al-Balqa’ Applied University. Email: ali.alkhader@bau.edu.jo. Skin tumors…examples. Adnexal tumors. Epidermal tumors. Melanocytic tumors. Dermal tumors. -Squamous cell carcinoma (SCC). AMIRAHMAD NEJAT. 2018. PREVALENCE. ETIOLOGY. OVARIAN TUMORS. ADRENAL TUMORS. DIAGNOSIS. CLINICAL. BIOCHEMICAL. DIAGNOSTIC APPROACH. PREVALENCE. Rare cause of . hyperandrogenism. Different reports of prevalence in studies. Assistant Prof . Fadia. Al-. Izzi. Benign ovarian cysts are common, frequently asymptomatic . &. often resolve spontaneously. .. 90%of all ovarian tumors are benign . although . this varies with age.. . Goals and Objectives. Understand some fundamental characteristics of brain tumors: clinical effects, . location, age, . prognosis. Recognize macroscopic and microscopic features of the common brain tumors: gliomas, embryonal (primitive) neoplasms, . د . حيدر. . السرحان. A. Professor Dr . Haider. . Alsarhan. . Benign tumors:. hemangioma. chondroma. Leomyoma. Rhabdomyoma. Paraganglioma. Papilloma. Malignant tumors:. squamous. cell carcinoma 85%. . Sadiq. Salam H. AL-. Salih. Hassanain. Mohammed . Khadim. Kareem . Waheed. Mohammed. Hussein . Khadim. Hussein . Al-. Mustaqbal. University College. Department of Nursing. 2. nd . Class. Adult Nursing. Version: Brain/Spinal Cord 3.1.0. 2 Protocol Posting Date: December 2014 This protocol is NOT required for accreditation purposes *This protocol applies to primary neoplasms of the brainand spinal Prepared by Kurt Schaberg MD Germ Cell Tumors 3 main subtypes depending on age and if they are derived from germ cell neoplasia in situ (GCNIS ). Most common: Germ cell tumors derived from GCNIS (Pos Assistant Professor – Department of Pathology. http://. fac.ksu.edu.sa. /. mariaarafah. /courses. Objectives. Upon completion of this lecture, students should be able to. :. Appreciate . how the anatomy of the skull and the spinal column influences the prognosis of both benign and malignant primary CNS tumors. TUMORS. Definitions. TUMOR . Autonomous. Excessive. Purposeless. Pathological Proliferation of cells.. This growth continues in the absence of physiological stimuli & . without regard to its effects to the surrounding tissue. . INTROD. U. CTION. Dodul. . Mondal. Rare. . tumor. Constitutes. . 3-4%. . of. . all. . CNS. . and. . 6%. . of. . pediatric. . CNS. . tumors. Oversimplified . anatomical. .