Webster's New World Medical Dictionary

lymphocytosis
Having too many lymphocytes.
Lymphocytosis may be a marker that infection or
disease is present.
lymphogranuloma venereum
An uncommon
genital or anorectal (affecting the anus and/or rec-
tum) infection that is caused by a specific type of
Chlamydia trachomatis. Abbreviated LGV. Patients
with LGV typically have tender lymph nodes in the
groin and may recently have had a genital ulcer that
resolved on its own. Other patients, in particular
those with HIV infection, may have rectal or anal
inflammation, scarring, and narrowing (stricture),
which cause frequent small bowel movements
(diarrhea) and a sense of incomplete evacuation of
the bowels. In addition, these patients can have pain
around the anal area (perianal), and occasionally
drainage from the perianal area or the glands in the
groin. Treatment is with antibiotics.
lymphoid
Referring to lymphocytes, a type of
white blood cell, or to tissue in which lymphocytes
develop. Lymphoid tissue is full of lymphocytes,
such as a lymph node.
lymphoid tissue
The part of the body’s immune
system that is important for the immune response
and helps protect it from infection and foreign bod-
ies. Lymphoid tissue is present throughout the body
and includes the lymph nodes, spleen, tonsils, ade-
noids, and other structures.
lymphoma
A tumor of the lymphoid tissue. The
major types of lymphoma are Hodgkin’s disease and
non-Hodgkin’s lymphoma (NHL). NHL can in turn
be divided into low-grade, intermediate-grade,
high-grade, and miscellaneous lymphomas. The
course of NHL varies greatly, from indolent to rap-
idly fatal. Treatment options include chemo and
radiation therapy.
lymphoma, AIDS-related
A condition that
occurs in people with AIDS, in which lymphoid
tumors are present, presumably due to immune-sys-
tem impairment. Treatment is like that of other lym-
phomas but must take into account the fact that the
natural immunity is impaired.