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Category: Constitutional Diseases

A tumor is a new growth which produces a localized enlargement of
a part, or an organ, has no tendency to a spontaneous cure, has no useful
function, in most cases tends to grow during the whole of the individual's
life. Clinically, tumors are divided into the benign and the malignant.

A benign tumor is usually composed of tissues, resembling those in which
it originates.

A malignant tumor usually consists of tissues widely different from those
in which it originates; its growth is rapid and therefore often painful;
it infiltrates all the surrounding tissues, however resistant, even bone,
because it is never encapsulated; it thus early becomes immovable; the
overlying skin is apt to become adherent, especially when the breast is
involved. Sooner or later it usually infects the group of lymphatic glands
intervening between it and the venous circulation and from these new
centres, or directly through the veins, gives rise to secondary deposits
in the internal organs.

Some varieties. 1. Fibrous tumors; these consist of fibrous tissues. 2.
Fatty tumors (or lipomata); these consist of normal fat tissue. 3.
Cartilaginous tumors; consist of cartilage. 4. Osseous (bony) tumors. 5.
Mucous tumors (myxomata). 6. Muscular tumors (myomata). 7. Vascular tumors
(Angeiomata). 8. Nerve tumors (Neuromata).

Malignant Sarcoma (Sarcomata). These are a variety of tumors. The result
of these varies with the location of the tumor. If located in the jaw, an
operation may cure it. If in the tonsil or lymphatic gland, it destroys
life rapidly. If in the sub-cutaneous tissue, it may be repeatedly
removed, the system remaining free, or the amputation of the limb involved
will probably cure the disease.


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