PPT-Malignant Tumors

1 Osteoclastoma Giant cell tumor large number of multinucleated giant cells of the osteoclastic type The cells contain up to 100 nuclei over cytoplasm or grouped in centernuclei are . Malignant tumors can be classified as primary tumors or metastatic tumors Metastatic tumors can arise from a variety of primary malignant tumors The term Sister Josephs nodule is used to describe a malignant umbilical tumor The tumor is usually asso Neoplasm (neo=. new,plasm. =growth). Tumors may be defined as swelling or as a neoplasm. Remember Not all neoplasms form tumors.. Ex: Leukemia (. Leuk. =white, . emia. =blood) is a malignant disease of the bone marrow that causes an increase in white blood cells and might not form distinctive tumors.. “. Rapid growth, warmth, tenderness, and ill defined edges are suggestive of malignancy.. ”. Classification of malignant tumors of bone:. Osteosarcoma (. Osteogenic. sarcoma). Chondrosarcoma. Ewing’s sarcoma. Neoplasia. (TUMOR). Definitions. - . “New growth” = Neoplasm. - Tumor. Oncology. - . Greek “oncos” = tumor. - . Study of tumors or neoplasms. - . Cancer . = Malignant tumors. Neoplasia. Marwan . Saoud. MD, . Kassem Harris MD, FCCP. Co-Chair. : WABIP Rare Lung, Pleura & Airway Disorders. Background. Rare Airway Tumors (RATs). . Tracheobronchial tumors that have not been extensively studied in . 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). 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. Jreisat. Approach. History. -Age:. most primary lesions appear in childhood and . adolescence . while lesions in elderly are usually metastatic. -Pain:. indicates nature and site of tumor. -Swelling:. in advanced stage cancer. ESDO Learning Bytes 2021. Elisabeth . Stragier. Gastroenterology Dep., Jessa Hospital, Hasselt, Belgium. Digestive Oncology Dep., University Hospitals Leuven, Belgium. CONTENT. Abu-Khalaf. 1) . Non-Melanoma Skin Cancers . 1. BASAL CELL CARCINOMA ( Rodent Ulcer ) . * . most common form of skin cancer. Pathophysiology • malignant proliferation of. basal keratinocytes of the epidermis . Slides. Panda.com. Submitted To: Submitted By . Slidespanda.com . . Slidespanda.com. Table of content. What Is a Tumor? . Benign . Tumors. Malignant . Tumors. Difference Between Benign And Malignant . for Diagnosis Cells are negative for T cell-associated antigens, and antigens associated with monocyte/macrophage origin including Myelomonocytic antigens: Monocyte-macrophage antigens: Antibodies ass 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.