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cancer (diagnostic studies (Endoscopic examination (Direct visualisation…

- - - - X-ray techniques are used especially to detect tumours that are causing an obstruction in the gastrointestinal tract, respiratory or renal tract
      - Bone malignancies can also be detected by using X-ray examinations.
- - - - characteristics
        
        recurrence
        
        Unusual when are surgically removed.
        
        Tissue destruction
        
        Does not usually destroy tissues except if the blood circulation on the site is hampered.
        
        death
        
        It is not usually lethal unless the location is on vital organs e.g. brain.
        
        Presence of capsule
        
        Cells are always encapsulated
        
        Prognosis
        
        It is good after surgical removal
        
        Speed of growth
        
        Slow growth and may continue unless surgically removed
        
        Growth may end or regress during remission periods
        
        Pattern of growth
        
        It just remain on localized site, it doesn’t usually destroy, invade and filtrate surrounding tissues.
        
        Cell characteristic
        
        Cell appearance is adult stage
        
        Anaplastic cells are absent
    - - characteristics
        
        Tissue destruction
        
        Excessive tissue damage as the tumour grows rapidly and thus affect blood flow.
        
        death
        
        If the tumor is not controlled it becomes lethal
        
        Prognosis
        
        It’s depends on early diagnosis and cell types
        
        recurrence
        
        Cell are capable of spreading to surrounding tissues even during surgery making.
        
        Presence of capsule
        
        The cells here are not confined on fibrous capsule
        
        Speed of growth
        
        Cell growth depends on the level of differentiation , it is much faster if the tumour is plastic
        
        Spontaneous regression is rare but may occur
        
        Pattern of growth
        
        May remain in situ but grow by filtrating and destroying surrounding tissue
        
        Cell characteristic
        
        Cells are poorly differentiated with large numbers of normal and abnormal mitotic figures
        
        Young embryonic type cells present
        
        Anaplastic cells are present