There is quite large number of sophisticated material available for assisting the examination of the patient but correct information can be achieved from a general visual inspection. According to Oster he advised doctor to vividly observe patient before touching the patient this will help in case the power of visual observation by doctors and its is one of the highest diagnostic material.
For example wasting and hallmark of poor nutrition may signify chronic disease.
Poor grooming or slack posture may indicate depression or low self esteem.
Inspection started by general visualisation of the physical appearance of the patient, state of nutrition and posture, with this point the doctors may now proceed to specify the examination such acts examine the skin looking for redness or other evidence of ailment which may include nail thickening hair loss and muscle or any other consultation about previous change in the skin lesion that might have signified early cancer.
Nail examination may provide necessary information about systematic disease clubbing of the nail broadening of the nail bed with carved and shiny nail may signify congenital heart disease oncogenic carcinoma obstructive pulmonary disease or other disease such as cardiac or pulmonary condition small nail hole on the nail occur to 50% patient with psoriasis infection.
Inspection should be performed on some area of the body which the patient could not be able to see such as butock head and back.
Normally skin is always examine for cancer but it some time may be difficult to differentiate cancer with a benign mole (nevus). Malignant melanoma which is the most dangerous skin cancer occur about 1 in 10000 humanbeing and can easily spread via all the body. A squamous cell carcinoma may spread to the other part of the body, but they are very slow in their speeding and when detected early they can be cured by total removal of the cells. One of the most common form of cancer cell is Bssal-cell. The cancer is common to the skin and it does not spread to other parts of the body. Liaison suspicious if the following situation take place on the liaison;
The layers on recently enlarged,
become darker in colour or growth into an irregular shape.
Skin cancer mostly occur on the area of the skin which are exposed to the ultraviolet rays of sunlight and they are mostly found in the people with light skin blonde hair and blue eyes who sunburn quickly.
But in the abandoned precancerous skin, liaison is actinic keratosis, rough, scaling, red or brown papule that show on the area exposed to sunlight such as here the forehead bald scalp and the back of the hand this year than can quickly be removed with cryptography (using cold therapeutic) or electronic desiccation ( the use of electric current to dehydrate body tissues).