_bursitis_; of the fibrous tissues of joints--chronic forms of
_arthritis_; of the blood vessels--chronic forms of _endarteritis_ and
of _phlebitis_ and of the peripheral nerves--_neuritis_. Also in the
breast and in the prostate, with the waning of sexual life there may
occur a formation of fibrous tissue--chronic _interstitial mastitis_,
_chronic prostatitis_, having analogies with the chronic interstitial
inflammations of internal organs like the kidney--_chronic interstitial
nephritis_; and in the breast and prostate, as in the kidney, the
formation of fibrous tissue leads to changes in the secreting epithelium
resulting in the formation of cysts.

Lastly, there are still other types of chronic inflammation attended
with the formation of fibrous tissue on such a liberal scale as to
suggest analogies with new growths. The best known of these are the
systematic forms of fibromatosis met with in the central nervous system
and in the peripheral nerves--_neuro-fibromatosis_; in the submucous
coat of the stomach--_gastric fibromatosis_; and in the
colon--_intestinal fibromatosis_.

These conditions will be described with the tissues and organs in which
they occur.

In the _treatment of chronic inflammations_, pending further knowledge
as to their causation, and beyond such obvious indications as to help
the tissues by removing a foreign body or a piece of dead bone, there
are employed--empirically--a number of procedures such as the induction
of hyperæmia, exposure to the X-rays, and the employment of blisters,
cauteries, and setons. Vaccines may be had recourse to in those of
bacterial origin.