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Items: 1 to 20 of 38

1.

Lymphoma

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

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

Burkitt lymphoma

Burkitt lymphoma is a rare, aggressive B-cell lymphoma that accounts for 30 to 50% of lymphomas in children but only 1 to 2% of lymphomas in adults (Harris and Horning, 2006). It results from chromosomal translocations that involve the MYC gene (190080) and either the lambda or the kappa light chain immunoglobulin genes (147220, 147200). Burkitt lymphoma is causally related to the Epstein-Barr virus (EBV), although the pathogenetic mechanisms are not clear. [from GTR]

MedGen UID:
2377
Concept ID:
C0006413
Neoplastic Process
3.

Burkitt lymphoma

A form of undifferentiated malignant lymphoma commonly manifested as a large osteolytic lesion in the jaw or as an abdominal mass. [from HPO]

MedGen UID:
830687
Concept ID:
CN218516
Finding
4.

Lymphoma

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

MedGen UID:
505322
Concept ID:
CN002422
Finding
5.

Positive

Involving advantage or good. [from NCI]

MedGen UID:
254858
Concept ID:
C1446409
Finding
6.

Process

MedGen UID:
923307
Concept ID:
C1951340
Pharmacologic Substance
7.

Bare Lymphocyte Syndrome, Type II

MedGen UID:
444051
Concept ID:
C2931418
Disease or Syndrome
8.

Sporadic

Cases of the disease in question occur without a previous family history, i.e., as isolated cases without being transmitted from a parent and without other siblings being affected. [from HPO]

MedGen UID:
342827
Concept ID:
C1853237
Finding
9.

Pathogenesis

The pathologic, physiologic, or biochemical mechanism resulting in the development of a disease or morbid process. [from NCI]

MedGen UID:
195936
Concept ID:
C0699748
Pathologic Function
10.

Headache associated with sexual activity

The International Headache Society (1988) classifies headache associated with sexual activity (HSA) as an idiopathic headache under 'miscellaneous headaches unassociated with structural lesions.' Based on initial descriptions, 3 subtypes are differentiated: type 1 is a dull ache in the head and neck that slowly intensifies as sexual excitement increases, and is believed to be caused by muscle contraction similar to tension-type headache; type 2, also called 'vascular-type,' is a sudden severe, explosive headache occurring at orgasm, which may be due to increased intracranial pressure; type 3, the most uncommon type, is a postural headache resembling that caused by decreased CSF pressure, perhaps due to a meningeal tear during coitus (summary by Frese et al., 2003). [from GTR]

MedGen UID:
95989
Concept ID:
C0393754
Sign or Symptom
11.

Negative

An absence finding of the specified component / analyte, organism or clinical sign based on the established threshold of the performed test or procedure. [Note: Negative does not necessarily imply the complete absence of the specified item.].  [from HL7]

MedGen UID:
61377
Concept ID:
C0205160
Finding
12.

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
13.

Hiv

An infection caused by the human immunodeficiency virus. [from NCI]

MedGen UID:
5583
Concept ID:
C0019693
Disease or Syndrome
14.

Bloom syndrome

Bloom’s syndrome (BSyn) is characterized by severe pre- and postnatal growth deficiency, sparseness of subcutaneous fat tissue throughout infancy and early childhood, and short stature throughout postnatal life that in most affected individuals is accompanied by an erythematous and sun-sensitive skin lesion of the face. Gastroesophageal reflux (GER) is common and very possibly responsible for infections of the upper respiratory tract, the middle ear, and the lung that occur repeatedly in most persons with BSyn. Although most affected individuals have normal intellectual ability, many exhibit a poorly defined learning disability. Women may be fertile, but menopause occurs unusually early; men are infertile. Serious medical complications that are much more common than in the general population and that also appear at unusually early ages are chronic obstructive pulmonary disease, diabetes mellitus resembling the adult-onset type, and cancer of a wide variety of types and anatomic sites. BSyn occurs rarely in all national and ethnic groups but is relatively less rare in Ashkenazi Jews. [from GTR]

MedGen UID:
2685
Concept ID:
C0005859
Disease or Syndrome
15.

Lymphosarcoma

An antiquated term that refers to a non-Hodgkin lymphoma composed of small and medium sized lymphocytes. [from NCI]

MedGen UID:
811370
Concept ID:
C3714542
Neoplastic Process
16.

Lymphatism

MedGen UID:
141817
Concept ID:
C0524631
Disease or Syndrome
17.

B-cell lymphoma

A group of heterogeneous lymphoid tumors generally expressing one or more B-cell antigens or representing malignant transformations of B-lymphocytes. [from MeSH]

MedGen UID:
86953
Concept ID:
C0079731
Neoplastic Process
18.

Epstein-Barr virus disease

An infection that is caused by Epstein-Barr virus. [from NCI]

MedGen UID:
57439
Concept ID:
C0149678
Disease or Syndrome
19.

Viral disease

A general term for diseases caused by viruses. [from MeSH]

MedGen UID:
53027
Concept ID:
C0042769
Disease or Syndrome
20.

Papilloma, Shope

papillomatous growth found in wild cottontail rabbits that is caused by a virus in the family Papovaviridae and can be transferred to domestic rabbits where it will cause similar growths; marked by the formation of horny warts, a high percentage of these growths may become malignant. [from CRISP]

MedGen UID:
45305
Concept ID:
C0030357
Neoplastic Process
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