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1.

Lymphoma

Lymphoma is a cancer of a part of the immune system called the lymph system. There are many types of lymphoma. One type is Hodgkin disease. The rest are called non-Hodgkin lymphomas. Non-Hodgkin lymphomas begin when a type of white blood cell, called a T cell or B cell, becomes abnormal. The cell divides again and again, making more and more abnormal cells. These abnormal cells can spread to almost any other part of the body. Most of the time, doctors don't know why a person gets non-Hodgkin lymphoma. You are at increased risk if you have a weakened immune system or have certain types of infections. Non-Hodgkin lymphoma can cause many symptoms, such as . -Swollen, painless lymph nodes in the neck, armpits or groin. -Unexplained weight loss . -Fever . -Soaking night sweats . -Coughing, trouble breathing or chest pain . -Weakness and tiredness that don't go away . -Pain, swelling or a feeling of fullness in the abdomen . Your doctor will diagnose lymphoma with a physical exam, blood tests, a chest x-ray, and a biopsy. Treatments include chemotherapy, radiation therapy, targeted therapy, biological therapy, or therapy to remove proteins from the blood. Targeted therapy uses substances that attack cancer cells without harming normal cells. Biologic therapy boosts your body's own ability to fight cancer. If you don't have symptoms, you may not need treatment right away. This is called watchful waiting. NIH: National Cancer Institute.  [from MedlinePlus]

MedGen UID:
44223
Concept ID:
C0024299
Neoplastic Process
2.

Hyperplasia

An abnormal increase in the number of cells in an organ or tissue. [from NCI]

MedGen UID:
43784
Concept ID:
C0020507
Pathologic Function
3.

Grade 2 Follicular Lymphoma

A follicular lymphoma which contains 6-15 centroblasts per 40X high-power microscopic field. [from NCI]

MedGen UID:
42543
Concept ID:
C0079758
Neoplastic Process
4.

Follicular hyperplasia

Lymphadenopathy (enlargement of lymph nodes) owing to hyperplasia of follicular (germinal) centers. [from HPO]

MedGen UID:
863170
Concept ID:
C4014733
Finding
5.

Lymphoma

A cancer originating in lymphocytes and presenting as a solid tumor of lymhpoid cells. [from HPO]

MedGen UID:
505322
Concept ID:
CN002422
Finding
6.

Staining (finding)

MedGen UID:
352872
Concept ID:
C1704680
Finding
7.

Follicular lymphoma

Malignant lymphoma in which the lymphomatous cells are clustered into identifiable nodules within the LYMPH NODES. The nodules resemble to some extent the GERMINAL CENTER of lymph node follicles and most likely represent neoplastic proliferation of lymph node-derived follicular center B-LYMPHOCYTES. [from MeSH]

MedGen UID:
7417
Concept ID:
C0024301
Neoplastic Process
8.

Diagnosis

The process of identifying a disease, such as cancer, from its signs and symptoms. [from NCI]

MedGen UID:
8354
Concept ID:
C0011900
Finding
9.

Absence

MedGen UID:
739164
Concept ID:
C1689985
Anatomical Abnormality
10.

Wanted

MedGen UID:
731828
Concept ID:
C1444647
Finding
11.

Central

Applies to an abnormality that is located close to the median plane or midline of the body or of the referenced structure. [from HPO]

MedGen UID:
59958
Concept ID:
C0205099
Spatial Concept
12.

Lymphosarcoma

An antiquated term referring to non-Hodgkin lymphomas composed of small and medium sized lymphocytes. [from NCI]

MedGen UID:
811370
Concept ID:
C3714542
Neoplastic Process
13.

Lymphatism

MedGen UID:
141817
Concept ID:
C0524631
Disease or Syndrome
14.

Pseudolymphoma

A polyclonal proliferation of lymphocytes without evidence of cytologic atypia. [from NCI]

MedGen UID:
67450
Concept ID:
C0221269
Disease or Syndrome; Neoplastic Process
15.

Diffuse non-Hodgkin lymphoma, undifferentiated

MedGen UID:
44226
Concept ID:
C0024306
Neoplastic Process
16.

Mixed Cell Lymphoma

An antiquated term that refers to a lymphoma composed of a mixture of small and large lymphocytes. [from NCI]

MedGen UID:
44225
Concept ID:
C0024304
Neoplastic Process
17.

Diffuse Mixed Cell Lymphoma

An antiquated term referring to non-Hodgkin lymphomas with a mixed cellular composition. This term applies to both B- and T- cell non-Hodgkin lymphomas. [from NCI]

MedGen UID:
42542
Concept ID:
C0079757
Neoplastic Process
18.

Low Grade Lymphoma

A type of lymphoma that tends to grow and spread slowly, and has few symptoms. Also called indolent lymphoma. [from NCI]

MedGen UID:
42540
Concept ID:
C0079747
Neoplastic Process
19.

Intermediate Grade Lymphoma

A type of lymphoma that grows and spreads quickly and has severe symptoms. Also called aggressive lymphoma and high-grade lymphoma. [from NCI]

MedGen UID:
38239
Concept ID:
C0079741
Neoplastic Process
20.

High Grade Lymphoma

A type of lymphoma that grows and spreads quickly and has severe symptoms. Also called aggressive lymphoma and intermediate-grade lymphoma. [from NCI]

MedGen UID:
38238
Concept ID:
C0079740
Neoplastic Process
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