PPT-- In the 15- to 34-year-old age group, they are the most common tumors of men.

include I Germ cell tumors 95 all are malignant II Sex cord stromal tumors from Sertoli or Leydig cells usually benign The cause of testicular neoplasms remains unknown. - Ovarian cancer accounts for 3% of all cancers in females. About 80% . of ovarian tumors are . benign, and these occur mostly in young women between the ages of 20 and 45 years and may be entirely asymptomatic and occasionally are found unexpectedly on abdominal or pelvic examination . 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. . . Salivary tumors 7% of head and neck tumors. Parotid tumors >submandibular > lingual. Equal incidence between sexes. Risk Factors: nutritional deficiency, exposure to ionizing radiation, UV exposure, genetic predisposition, EBV. Almaaiteh, MD. Pediatric neoplasms. Include malignant tumors “cancers” and nonmalignant tumors. Pediatric cancers are uncommon. Less than 1% of all newly diagnosed cancer cases in US. Differs from adult malignancies in prognosis and distribution by histology and tumor site. 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). Intestinal Obstruction. Obstruction of the GI tract may occur at any level, but the . small intestine . is most often involved because of its relatively narrow lumen.. Causes:. Hernias. intestinal adhesions. I.DVK FNUSA a LF MU. They growth expansively, so they can push to around tissue, but they don´t grow inside them, and they don´t destroy them. They keep structural and functional maturity. Epithelial. 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.. Faculty of Medicine. Al-Balqa’ Applied University. Email: ali.alkhader@bau.edu.jo. 3 cell types in the normal ovary. Surface (. coelomic. epithelium). . …the origin of the great majority of ovarian tumors. . 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, . 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 Associate Professor, Pathology. Sri Venkateswara Institute of Medical Sciences. Tirupathi. TESTIS AND EPIDIDYMIS. CONGENITAL ANOMALIES. Anomalies include. . Cryptorchidism. Aplasia . Fusion (. synorchism. Primary :. 1-Gliomas. (most common primary brain tumor) . . 50%. . Astrocytomas. Oligodendrogliomas. Ependymomas. 2-Meningioma. . 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.