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PubMed1993

[Antibody titers to bacterial antigens in middle ear effusion of otitis media with effusion].

Antibody titers against H. influenzae, S. pneumoniae, S. pyogenes, S. mitis, S. sanguis, and S. salivarius in middle ear effusions (MEE) of 46 children (60 ears) with chronic otitis media with effusion (OME) are reported. H. influenzae, S. pneumoniae and S. pyogenes are predominant microorganisms in acute suppurative otitis media. S. mitis, S. sanguis, and S. salivarius are major species of normal adenoid flora. Specific antibodies against the above bacterial species were detected in all samples. In the chronic group, IgG titers against H. influenzae, IgG and IgM against S. pneumoniae, IgG and IgM against S. pyogenes, and IgG against S. salivarius were statistically higher than in the acute and subacute groups. IgG, IgM and IgA titers against S. mitis and S. pneumoniae in MEE with chronic sinusitis were higher than those from sinusitis free children. Anti-S. sanguis and S. pyogenes IgG and IgA of sinusitis free patients' MEE were higher than those with chronic sinusitis. The antibody titers against H. influenzae did not differ statistically between those with and without sinusitis. The presence of anti-bacterial antibodies inhibits acute infection in MEE, and the difference in titers with sinusitis may be caused by bacterial numbers in the adenoids and the host's response to the bacteria.

Adenoids↗
PubMed1996

Primary effusion lymphoma in women: report of two cases of Kaposi's sarcoma herpes virus-associated effusion-based lymphoma in human immunodeficiency virus-negative women.

Recent molecular evidence suggests an association with a new herpes virus, Kaposi's sarcoma-associated herpes virus (KSHV/HHV-8), and primary effusion lymphomas (PEL). PELs have a characteristic morphology, phenotype, and clinical presentation with malignant effusions in the absence of a contiguous solid tumor mass. Most cases of PEL have occurred in human immunodeficiency virus (HIV)-positive male patients who are coinfected with Epstein-Barr virus (EBV). This report describes two cases of PEL in HIV- and EBV-negative women. In one patient, a pleural cavity PEL was preceded by classic Kaposi's Sarcoma (KS) of the lower extremities. In the second patient, PEL developed in an artificial cavity related to the capsule of a breast implant. Both cases had the characteristic morphologic appearance of high-grade anaplastic/B-cell immunoblastic lymphomas, with loss of B-cell differentiation antigens, clonal immunoglobulin heavy chain gene rearrangements, and expression of activation antigen CD30. Both cases were negative for EBV, herpes virus simplex, and cytomegalovirus (CMV). DNA extracted from both lymphomas and skin KS specimen showed KSHV sequences by molecular analysis. This report expands the spectrum of KSHV-associated disease to include PEL in HIV-negative women.

Aged↗
PubMed1980

Malignant effusions in recurrent breast cancer: steroid hormone receptor analysis of effusion fluid derived cells.

Estrogen and progesterone receptor determination in breast cancer is of significance in determining a patient's potential response to hormonal manipulation. One practical limitation to this procedure has been availability of material for receptor assay. We describe 12 patients in whom quantitative estrogen and/or progesterone receptor analysis was accomplished utilizing tumor cells obtained from malignant effusions. The ability to obtain quantitative steroid receptor data on material derived from malignant effusions provides an effective source for this important biochemical parameter in patients in whom no other tumor tissue is available for study.

Adult↗
PubMed2000

Expression of MUM1/IRF4 selectively clusters with primary effusion lymphoma among lymphomatous effusions: implications for disease histogenesis and pathogenesis.

Primary effusion lymphoma (PEL) is a peculiar B-cell lymphoma characterized by infection by human herpesvirus type-8/Kaposi sarcoma-associated herpesvirus (HHV-8/KSHV) and by preferential growth in the serous body cavities. Histogenetic studies have suggested that PEL originates from B cells at a late stage of differentiation. In this study, we have investigated PEL for the expression status of MUM1/IRF4 (multiple myeloma 1/interferon regulatory factor 4) protein, which is involved in physiological B-cell maturation and represents a histogenetic marker of late B-cell differentiation. Using multiple detection assays, all cases of PEL (n = 22) were found to express MUM1/IRF4 molecules. MUM1/IRF4 expression was a selective feature of PEL among lymphomas involving the serous body cavities as secondary lymphomatous effusions generally failed to express the protein. In reactive lymphoid tissues, MUM1/ IRF4 expression clustered with advanced stages of B-cell differentiation. Comparison of MUM1/IRF4 expression with that of other histogenetic markers defined two phenotypic variants of PEL, i.e. MUM1/IRF4+, CD138/syndecan-1+, B-cell antigen- (20 out of 22 cases) and MUM1/IRF4+, CD138/syndecan-1-, B-cell antigen+ (2 out of 22 cases), suggesting a certain degree of heterogeneity in the disease histogenesis. The implications of these data are threefold. First, MUM1/IRF4 expression corroborates the notion that PEL originates from post-germinal centre, preterminally differentiated B-cells. Second, MUM1/IRF4 may help in the differential diagnosis of PEL among other lymphomas involving the serous body cavities. Finally, MUM1/IRF4 may interact with HHV-8/KSHV-encoded interferon regulatory factors (IRFs) and thus contribute to PEL escape from interferon-mediated control of viral infection.

Antigens, Differentiation, B-Lymphocyte↗
PubMed2002

[Prospective study of 1,000 consecutive patients with pleural effusion. Etiology of the effusion and characteristics of the patients].

OBJECTIVE: To describe the characteristics of patients with pleural effusion (PE) and the causes of PE in a prospective, consecutive series of patients. SETTING: A tertiary care hospital associated with the Universidad Complutense de Madrid (Spain). PATIENTS: One thousand consecutive patients with PE for whom clinical signs indicated the need for diagnostic thoracocentesis were studied prospectively in our service from December 1991 to July 2000. RESULTS: The most common cause of PE was neoplasm (n = 364 patients). The most common place of origin of the tumor was the lung (n = 125), followed by the pleura (mesothelioma, n = 48). The most common histologic type was adenocarcinoma (n = 128). Tuberculosis was the second most common cause of PE (n = 155). PE was transudate in 118 patients, mainly secondary to heart failure. Among the 42 patients who were positive for human immunodeficiency virus (HIV), the most common cause of PE was tuberculosis. Tuberculosis was also the most likely cause of PE in patients under 40 years of age. CONCLUSIONS: The most common causes of PE were neoplasm and tuberculosis. Tuberculosis was the most common cause in patients under 40 years of age and in those infected by HIV.

Adolescent↗
PubMedDate not supplied

[Therapy-induced formation of ascites and pleural effusion during initial chemotherapy in a patient with non-Hodgkin's lymphoma. Ascites and pleural effusion during initial chemotherapy].

We report on a 16-year old boy with non-Hodgkin's lymphoma who acquired a therapy-induced ascites and pleural effusion during initial chemotherapy. This life-threatening condition could be controlled by intensive care measures including pleural tap and drainage. Chemotherapy could then be continued. The patient has been in continuous complete remission for 18 months.

Adolescent↗
PubMed1989

Protease inhibitors in middle ear effusions from experimental otitis media with effusion: kinetics of alpha 1-antitrypsin and alpha 2-macroglobulin levels.

Alpha 1-antitrypsin (alpha 1-AT) and alpha 2-macroglobulin (alpha 2-M) were measured by both immunochemical and functional assays in paired plasma and middle ear effusions (MEEs) from experimental otitis media models (serous otitis media [SOM], purulent otitis media [POM], and SOM + POM). The MEE/plasma ratio of alpha 1-AT in SOM was significantly higher than that in POM (p less than .01) because of the high alpha 1-AT level in POM plasma. The ratio of both antitryptic activity and trypsin-binding activity in POM was significantly higher than that in SOM + POM (p less than .01, less than .05), and significantly lower than that in SOM (p less than .01). The majority of both inhibitors in SOM exists as the free state, and the reaction between proteases and inhibitors in POM and SOM + POM is more active than that in SOM. It is concluded that both alpha 1-AT and alpha 2-M appear to play an important role in the protection of middle ear mucosa by forming protease-inhibitor complexes to reduce proteolytic damage in POM and SOM + POM models.

Animals↗
PubMed2003

Hearing loss due to mannosidosis and otitis media with effusion. A case report and review of audiological assessments in children with otitis media with effusion.

A case of a child with mannosidosis and bilateral otitis media with effusion (OME) is reported here along with some discussion of relevant literature to emphasize the need for age appropriate audiometric assessment before and after insertion of grommets for glue ear (OME). There is a need for multidisciplinary teamwork in the management of children with hearing loss. If OME is treated surgically, age-appropriate hearing assessment is required before and after insertion of grommets. The need for audiological assessments will be relevant even if children had passed the newborn hearing screening test.

Audiometry↗
PubMed1990

Functional and phenotypic characteristics of effusion-associated lymphoid cells cultured in the presence of either recombinant interleukin 2 or T-cell growth factor from malignant pleural and peritoneal effusions in patients with advanced carcinoma.

Malignant pleural or peritoneal effusion-associated lymphoid (EAL) cells from 17 patients with advanced carcinoma were cultured with autologous carcinoma cells in the presence of either recombinant interleukin 2 (rIL 2) or T-cell growth factor (TCGF). Considerable cytolytic activity of the cells against allogeneic tumor cells, such as K562 and Daudi cells was induced by the cultivation. TCGF-activated EAL cells acquired higher anti-Daudi tumor cytotoxicity than rIL 2-activated EAL cells. The resultant TCGF-activated EAL cells from cancer patients significantly exceeded lytic activity of TCGF-activated EAL cells from patients with liver cirrhosis for control (p less than 0.01). Four of 6 cases examined also showed cytotoxic activity against autologous tumor. In facts, viable carcinoma cells co-cultured with EAL cells and TCGF mostly disappeared during 14 days. Similar phenomenon was not observed in rIL 2-activated EAL cells. Thus, it was suggested that more additional lymphokine other than IL 2 was necessary to generate cytotoxic activity against autologous tumor cells. The cell populations responsible for cytolytic activity to allogeneic and/or autologous tumor cells were investigated by two-color flow cytometry. The majority of killer-effector cells against allogeneic cells in rIL 2-activated EAL cells from cancer patients showed CD4+Leu8- phenotype at population level. In contrast, it was suggested that cytolytic activity against allogeneic and/or autologous tumor cells in TCGF-activated EAL cells might be mediated by CD8+ CD11- and CD8+ CD28+ effector cells.

Adenocarcinoma↗
PubMed1980

[Tuberculous pleural effusion and pleural effusion secondary to non-specific bacterial infection: biochemical differential diagnosis (author's transl)].

The authors study 14 different analytical parameters in the pleural fluid in order to recognize differential biological criteria, helping to establish an etiologic diagnosis in patients with suggestive clinical symptoms and biological data of an infectious process. In a group of 38 patients with bacterial exudative pleural effusion (22 of tuberculous origin and 16 secondary to non-specific bacterial infection), the following parameters were analyzed: total proteins, acid glucoprotein, X1, antytripsin, CDH, acid phosphatase, amylase, cholinest, copper, iron, pCO2, pO2 pH, glucose, and cholesterol. The results of amylase, copper, pCO2, pO2 and pH determinations in the pleural fluid show statistical significant differences between the tuberculous cases and the patients with non-specific infections. Lastly, the authors mention the minimal biological criteria necessary to confirm the tuberculous or non-specific bacterial etiology of a pleural fluid, stressing the value of the levels of cholinesterase, copper, pO2 and pH as differential data.

Copper↗