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55072
NEOPLASIA
Description
Bio Med and Pathology Mind Map on NEOPLASIA, created by aahughes on 23/04/2013.
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bio med and pathology
bio med and pathology
Mind Map by
aahughes
, updated more than 1 year ago
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Created by
aahughes
over 11 years ago
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Resource summary
NEOPLASIA
'NEW GROWTH'
Defined as abnormal or uncoordinated tissue growth/proliferation of cells
persists after stimuli is removed
uncontrolled, excessive and abnormal
NEOPLASM: lesion often referred to as a tumour
CLASSIFICATIONS
BEHAVIOUR - BENIGN/MALIGNANT
CELL ORIGIN - EPITHELIUM, CONNECTIVE, LYMPHOID TISSUE
CARCINOMA arising from epithelium
SARCOMA arising from connective tissue
CARCINOGENISIS
ONCOGENISIS: creation of benign and malignant tumours
CARCINOGENISIS: malignancy - normal cells transformed to cancer cells
CHARACTERISTICS OF BENIGN
slow growing, non invasive, well defined do not metastisize
CARCINOMA IN SITU
epithelial neoplasm, exhibiting malignant signs, no metastatis
DYSPLASIA
may proceed carcinoma in situ
abnormally formed cells, disordered differentiation
CHARACTERISTICS: MALIGNANT
grow rapidly, invade, poorly defined, metatstases
EPITHELIAL NEOPLASMS
BENIGN:PAPILLOMA - non glandular
ADENOMA - GLANDULAR
MALIGNANT:CARCINOMA
MESENCHYMAL
Tissue of origin: blood vessel
benign: HAEMANGIOMA
malignant: ANGIOSARCOMA
BENIGN CONNECTIVE TISSUE NEOPLASMS
LIPOMA: fatty tissue
CHONDROMA: cartilage
OSTEOMA: bone
ANGIOMA: vascular origin
FIBROMA: fibrous tissue
MALIGNANT CONNECTIVE TISSUE ORIGIN
LIPOSARCOMA
OSTEOSARCOMA
FIBROSARCOMA
CHONDROSARCOMA
ANGIOSARCOMA
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