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Query: UMLS:C0021345 (infectious mononucleosis)
 3,358 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Infectious mononucleosis continues to be an important medical problem of young adults. Diagnosis is based on three principal criteria: (1) a compatible clinical picture, (2) characteristic hematologic changes, and (3) a positive serology. A relative lymphocytosis of 60% or higher with at least 20% atypical lymphocytes is a common feature. Laboratory diagnosis is dependent on proper application and interpretation of the various serologic tests. Evidence of abnormal liver function is of particular value in differentiating this disease from bacterial and viral pharyngitis.
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PMID:Diagnosis of infectious mononucleosis. 17 48

A prospective clinical and virological study on 44 patients with acute, peripheral facial paralysis was carried out in consecutive cases during one year. In 9 cases varicella-zoster infections were serologically established. In 5 additional patients an associated varicella-zoster, or herpes simplex, infection was possible. Of the 9 confirmed cases, 6 were clinically diagnosed as zoster oticus, whereas on clinical grounds, 3 were regarded as Bell's palsy. No evidence was obtained of associated enterovirus, mumps, measles, cytomegalovirus, tick-borne encephalitis virus, para-influenza virus, mononucleosis or Mycoplasma pneumoniae infection.
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PMID:Acute facial palsy. Some clinical and virological observations. 17 68

A review of 1,192 student medical records shows a prior history of tonsillectomy in 41 percent of a control group and 22 percent of an infectious mononucleosis group--a significant difference (p less than 0.01). Nine hundred eighty-nine Stanford University students (421 females, 568 males) who visited Cowell Student Health Center between April and September, 1973, comprise the control group. Two hundred three students with positive monospot tests and clinical mononucleosis diagnosed between June, 1968, and May, 1973, comprise the experimental group. The lower incidence of tonsillectomy in the infectious mononucleosis group implies that the tonsillar lymphoid tissue serves as a reservoir and possible replicating milieu for the Epstein-Barr virus. Prior tonsillectomy may reduce the possibility of contracting infectious mononucleosis.
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PMID:Tonsillectomy and infectious mononucleosis--a possible relationship. 18 Mar 64

Using a direct immunofluorescence technique and a spontaneous rosette formation with sheep red blood cells it could be demonstrated that the large mononuclear cells in infectious mononucleosis consisted mainly of T-lymphocytes. It is likely that infectious mononucleosis represents a primary B-lymphcoyte infection with the Epstein-Barr virus like in the Burkitt lymphoma. In contrast to this malignant lymphoma, interaction in infectious mononucleosis leads to a secondary T-lymphocyte proliferation.
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PMID:[Immunological cell surface markers in infectious mononucleosis (author's transl)]. 18 37

The lymphocyte transforming agent, associated with Epstein-Barr virus, was sought in the oropharynx and other clinical sites of 443 individuals in the following groups: premature and term neonates; infants with congenital malformations or with suspected TORCH syndrome; children with various illnesses; pregnant and postpartum women; healthy adults; and patients with infectious mononucleosis. Evidence of intrauterine infection was found in one newborn infant and LTA was demonstrated in a 16-day-old infant who developed transient hepatosplenomegaly. LTA was not detected in 96 other newborn infants and 57 infants with various anomalies or illnesses; nor was it found in the cervix of 125 pregnant or postpartum women. LTA was demonstrated in varying frequency in ill children, healthy adults, and those with infectious mononucleosis. It is suggested that the clinicoepidemiologic patterns of EBV infection in newborn infants and children will best be established by prospective studies.
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PMID:Leukocyte transforming agent (Epstein-Barr virus) in newborn infants and older individuals. 18 46

A patient who had documented mononucleosis in June 1971 has been persistently symptomatic since that time, with easy fatigability and weight loss. He has also had a positive differential heterophile antibody test for mononucleosis for 14 months. Although no evidence for active Estein-Barr virus (EBV) infection was discovered, the possibility of a chronic EBV infection is discussed.
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PMID:Positive differential heterophile antibody test. Persistence in a symptomatic patient. 18 27

Clinical, hematologic, biochemical and serologic data are recorded in seven patients aged 40 to 78 years with heterophil-antibody positive infectious mononucleosis (HA+IM). Clinical observations included fever of 22 to 30 days' duration (five of seven patients), sore throat (six of seven patients), myalgia (five of seven patients) and prominent lymph adenopathy (two of seven patients). Initial blood smears revealed significant numbers of atypical lymphocytes in only five of seven patients; however, or serial testing, in the remaining two patients Downey cells developed to a degree seen in most young adult patients with infectious mononucleosis. Comparison of liver function data from these and younger patients suggests that abnormalities tend to be more marked in those in the older than in those in the younger age range. Serologic tests confirmed primary Epstein-Barr virus (EBV) infections in all seven patients based on detection of IgM antibodies to EB viral capsid antigen in specimens obtained early, but not late, in the course of the infection, transitory antibody responses to the D (diffuse) component of the EMB-induced early antigen complex, and the initial absence and later development of antibodies to the EBV-associated nuclear antigen. Thus, the serologic data did not differ from those seen in younger patients. These results show that infectious mononucleosis should be included in the differential diagnosis of fever, sore throat and myalgia with or without significant cervical adenopathy in elderly persons.
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PMID:Clinical and laboratory evaluation of elderly patients with heterophil-antibody positive infectious mononucleosis. Report of seven patients, ages 40 to 78. 18

Neurologic complications in three girls, aged four, fourteen and fifteen years, with infectious mononucleosis are reported. All three patients had meningoencephalitis, in two of them cerebellar involvement predominated, while the third patient had cerebral involvement with paresis of cerebral nerves. The diagnosis of an Epstein-Barr virus infection was established serologiccally and in the first patient also by the detection of the Epstein-Barr virus.
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PMID:Central nervous system involvement in infectious mononucleosis with studies for Epstein-Barr virus. 18 53

Sera from 627 students entering Colleges of Education between 1969 and 1972 were tested for hepatitis B surface antigen and antibody. One was found positive for antigen, none for antibody. Six for 15 positive Hepanosticon results and two positive Hepatest results occurred in sera which also gave positive heterophil antibody tests indicative of current or recent EB virus infection. One of these six sera was still positive in the Hepanosticon test after one absorption, and one of two Hepatests gave no positive reaction with the control cells. Eleven of 14 sera from cases of infectious mononucleosis gave positive Hepanosticon results and two were still positive after one absorption. Seven were positive in the Hepatest and only three of these were positive with the control cells. The control tests in the Hepanosticon and Hepatest do not clearly identify all false positives due to Paul Bunnell antibody. It is suggested that when a positive result in a passive haemagglutination test can be removed by absorption or if positive after absorption cannot be confirmed by other tests for hepatitis Bs antigen, the patient from whom the serum specimen was taken should be investigated for indications of current EB virus infection.
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PMID:Screening tests for hepatitis B antigen and antibody in two colleges of education and studies on the relationship between nonspecific positive antibody tests and EB virus infection. 18 37

The EBV IgG titres in acute and convalescent specimens from 97 cases of infectious mononucleosis were compared with titres from acute and convalescent sera from 96 students with illnesses resembling infectious mononucleosis but without heterophil antibody, EB IgM or EB IgG seroconversion; and also with titres from 91 healthy students known to have had EB IgG antibody for at least six months. These titres were related to the titre of the Research Standard A.66/235 for infectious mononucleosis serum prepared by the National Institute for Biological Standards and Control. Serial sera were tested for heterophil antibody and EBVCA specific IgG and IgM from 61 university students with infectious mononucleosis. The period of persistence of heterophil antibody and EBV IgM after illness was outlined from the results of the tests. Single sera from 406 patients in hospital or general practice sent to the diagnostic laboratory for heterophil antibody tests were also tested for EBV antibodies without prior knowledge of the heterophil antibody result. The close agreement between heterophil antibody and EBV IgM results is shown. False positive EB IgM results were correlated with the presence of rheumatoid factor.
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PMID:Measurement of heterophil antibody and antibodies to EB viral capsid antigen IgG and IgM in suspected cases of infectious mononucleosis. 18 41


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