Necrosis - L8-9

Neoplasia: [blank_start]Process of developing a neoplasm[blank_end] Neoplasma: [blank_start]New growth in which the cells are[blank_end] [blank_start]unresponsive to normal growth controls[blank_end] Oncology: [blank_start]The study of neoplasia[blank_end]

Tumour Naming Named according to: 1. [blank_start]Tissue of origin[blank_end] 2. [blank_start]Cell of origin[blank_end] 3. [blank_start]Clinical behaviour[blank_end] Benign epithelial tumour: suffix [blank_start]-oma[blank_end] Malignant epithelial tumour: suffix [blank_start]-carcinoma[blank_end] [blank_start]Adenocarcinoma[blank_end] (if gland cell) Benign mesenchymal tumour: suffix [blank_start]-oma[blank_end] Malignant mesenchymal tumour: suffix [blank_start]-sarcoma[blank_end]

What is Leukaemia? Neoplasms [blank_start]of haematopoietic cells[blank_end] in which there is an increase in [blank_start]malignant cells[blank_end] [blank_start]circulating in the blood stream[blank_end] Malignant [blank_start]tumour of the WBC[blank_end] that are [blank_start]circulating the blood[blank_end]

Features of a benign tumour

Features of a malignant tumour

Clinical effects a neoplasm can have on the body Benign: [blank_start]Cause little harm[blank_end] [blank_start]Due to location[blank_end] Malignant: Interefere [blank_start]with function[blank_end] [blank_start]Haemorrhage[blank_end] [blank_start]Ulcerations[blank_end] Interfere [blank_start]with immune system[blank_end] [blank_start]Depression[blank_end] [blank_start]Weight loss[blank_end] [blank_start]Space occupying[blank_end] [blank_start]Over production of normal products[blank_end] e.g. hormones [blank_start]Paraneoplastic products[blank_end]

Methods by which tumours can spread 1. [blank_start]Direct expansion an infiltration[blank_end] 2. [blank_start]Metastasis[blank_end] 3. [blank_start]Trans coelomic spread[blank_end]

Three groups of carcinogens 1. [blank_start]Radiant energy[blank_end] 2. [blank_start]Chemicals[blank_end] 3. [blank_start]Viruses[blank_end]