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Query: UMLS:C0019158 (hepatitis)
 30,205 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Reovirus 3 infection of neonatal mice, although characterized primarily by encephalitis, hepatitis, and pancreatitis, also induces an adrenalitis. Histologically, the latter is characterized initially by foci of coagulative necrosis which later enlarge and become surrounded by leukocytic infiltration. Ultrastructurally, the virus was shown to replicate in the paranuclear region of mainly adrenocortical cells but also medullary and endothelial cells. Apoptosis is the most common form of necrosis exhibited and is quickly followed by an infiltration of mononuclear phagocytes which eventually ingest the virus and the cellular debris.
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PMID:Acute murine adrenalitis induced by reovirus 3. An ultrastructural study. 99 33

Cytomegalovirus (CMV) is a pathogen causing major disease in an HIV-infected individual. This AIDS-related opportunistic infection results in severe morbidity from chorioretinitis, pneumonitis, encephalitis, adrenalitis, esophagitis, cholangitis, and hepatitis. The author provides a comprehensive overview of CMV infection as seen in adults with HIV disease and related nursing care, and discusses issues related to concerns about occupational exposure among healthcare workers.
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PMID:Nursing care of the adult client with AIDS and cytomegalovirus infection. 131 17

The clinical manifestations of cytomegalovirus (CMV) infection in persons with AIDS are described, and recent advances in the management of these syndromes with antiviral agents are reviewed. CMV infection is the most common serious opportunistic viral infection in AIDS patients. Clinical manifestations include chorioretinitis, gastroenteritis, hepatitis, pneumonia, CNS infection, adrenalitis, and a wasting syndrome. The diagnosis of CMV infection requires laboratory demonstration of a serologic response to the virus, detection of viral components or products, or isolation of the virus. Ganciclovir is an acyclic nucleoside analogue marketed for the treatment of CMV-related retinitis in immunocompromised hosts. After i.v. ganciclovir induction therapy, more than 80% of patients show improvement or stabilization of retinitis. Relapse is common in AIDS patients, however, and low-dose i.v. maintenance therapy is recommended. The most serious dose-limiting effect is neutropenia. Intravitreal injection of ganciclovir has been well tolerated and efficacious. Ganciclovir has shown some efficacy in the treatment of other life-threatening CMV infections, especially gastroenteritis, but data are limited. Ganciclovir-resistant strains have been reported. Foscarnet, a pyrophosphate analogue with activity against both human CMV and human immunodeficiency virus, is undergoing clinical trials. Foscarnet has shown promise in the therapy of CMV-related retinitis, but results for other CMV infections are disappointing. Nephrotoxicity is the major dose-limiting effect. AIDS patients with sight-threatening and rapidly progressive CMV-related retinitis should be treated with ganciclovir. Foscarnet may offer an alternative when it becomes available. More must be learned about the efficacy of these drugs in the treatment of CMV infection in patients with AIDS.
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PMID:Management of cytomegalovirus infection in patients with acquired immunodeficiency syndrome. 216 89

An untreated C57BL/6NCrlBR male mouse in a life-long longevity study, killed in extremis at 761 days of age, had mild focal necrotic hepatitis and extensive focal necrotic adrenalitis. Characteristic cytomegalic cells bearing intranuclear and cytoplasmic inclusions and cytoplasmic vacuoles were seen in necrotic areas. Scattered intranuclear inclusions were also seen in the reticulum cells of the spleen and acinar epithelium of the submaxillary glands. We believe this to be the first report of spontaneous disseminated cytomegalic inclusion disease in aged mice.
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PMID:Spontaneous disseminated cytomegalic inclusion disease in an ageing laboratory mouse. 284 85

Late onset cytomegalovirus (CMV) disease (occurring more than 1 year post-transplant] was documented in two liver transplant recipients with recurrent hepatitis C virus hepatitis in the absence of factors known to precipitate CMV disease, i.e., primary acquisition of CMV, allograft rejection, augmented immunosuppression, concomitant infections, or blood transfusions. Both patients had CMV enteritis (with CMV adrenalitis in one case]; however, other symptoms and signs of overt CMV infection, i.e., fever, leukopenia, or atypical lymphocytes, were lacking. Hepatitis C virus is an immunomodulatory virus; impaired CMV-specific T-cell responses may have accounted for the predisposition of our patients to unprovoked, late onset CMV disease. Given the high incidence of hepatitis C virus recurrence after liver transplantation, awareness of the occurrence and recognition of the unusual presentation of CMV disease in this setting is both clinically relevant and significant, particularly since CMV is treatable if recognized promptly.
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PMID:Late onset cytomegalovirus disease in liver transplant recipients: de novo reactivation in recurrent hepatitis C virus hepatitis. 970 98

Cytomegalovirus causes pneumonia, hepatitis, thrombocytopenia, and hemolytic anemia. Cytomegalovirus adrenalitis in premature infants, however, is rare. This report described a premature newborn who had progressively worsening hyperbilirubinemia, pancytopenia, and hepatosplenomegaly at the age of 4 days. The baby's mother had prolonged rupture of amniotic membrane for about 8 weeks. The infant received exchange blood transfusion, empiric antibiotics treatment, and mechanical ventilation. Pneumonia and sepsis developed at the age of 18 days. Serum anticytomegalovirus immunoglobulin M and urine virus culture were positive for cytomegalovirus. The baby died at the age of 22 days. Autopsy showed cytomegalovirus infection complicated with interstitial pneumonitis and pulmonary edema, subacute bronchopulmonary dysplasia with interstitial fibrosis, and adrenalitis. We concluded that the functional status of the adrenal glands in cytomegalovirus-infected premature newborns who have unexplained electrolytes imbalance, fever, diarrhea, weight loss, or hypotension should be closely followed because of the possible involvement of adrenal glands.
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PMID:Perinatal cytomegalovirus infection complicated with pneumonitis and adrenalitis in a premature infant. 1182 12

Fatal disseminated toxoplasmosis was diagnosed in a Risso's dolphin (Grampus griseus) dam and its fetus on the basis of pathologic findings, immunohistochemistry, and structure of the parasite. The dolphin was stranded alive on the Spanish Mediterranean coast and died a few hours later. At necropsy the dam was in good condition. From the standpoint of pathology, however, it had generalized lymphadenomegaly and splenomegaly, enlargement of and multifocal hemorrhage in the adrenal glands, diffuse mucosal hemorrhage of the glandular and pyloric stomach, ulcerative glossitis and stomatitis, focal erosions and reddening of the laryngeal appendix, and severe paraotic sinusitis with intralesional nematodes Crassicauda grampicola. The dolphin was pregnant, most probably in the first gestational trimester. The most prominent microscopic lesions were multifocal granulomatous encephalomyelitis, diffuse subacute interstitial pneumonia, mild multifocal necrotizing hepatitis and nonsuppurative cholangiohepatitis, gastritis and adrenalitis, mild lymphoid depletion, medullary sinus and follicular histyocitosis, and systemic hemosiderosis. The fetus had foci of coagulative and lytic necrosis in the kidneys, the lung, and the heart. Most lesions were associated with tachyzoites and tissue cysts of Toxoplasma gondii. The diagnosis was confirmed immunohistochemically. This is the first report on toxoplasmosis in a Risso's dolphin (G. griseus) and on transplacental transmission to an early-stage fetus in any cetaceans.
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PMID:Disseminated toxoplasmosis in a Mediterranean pregnant Risso's dolphin (Grampus griseus) with transplacental fetal infection. 1243 53

The Schmidt Syndrome (Type II Autoimmune-Syndrome) is characterised by an autoimmune adrenalitis in combination with a chronic lymphocellular thyreoiditis resulting in insufficiency of these organs in adulthood. Combination with diabetes is possible. The diagnosis is usually established by clinical examination and analysis of serum hormone levels (adrenocorticotropin hormone [ACTH], cortisol, thyroid stimulating hormone [TSH], triiodothyronine [fT3], thyroxine [fT4]). In the present case, initial diagnosis was rapid progressive liver failure of unknown origin with consecutive multiple organ dysfunction syndrome including dysfunction of heart, lungs, and kidneys. Frequent and less frequent causes of liver failure were ruled out, e.g. viral or autoimmune hepatitis, Budd-Chiari-syndrome, toxic, or drug induced liver failure. In retrospect, the multiple organ dysfunction syndrome was caused by hypoperfusion due to severe hypovolemia and hypoperfusion was induced by adrenocortical insufficiency proven by endocrinological testing. The clinical course of this case stresses the importance of the hormone balance in the critical ill patient. The guideline for treatment of patients with assumed hormonal dysregulation should include a full hormone status prior to substitution. The present case report also illustrates the importance of clinical signs and careful consideration of the medical history in detecting an autoimmune endocrine disease.
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PMID:Schmidt syndrome presenting as acute liver failure. 1566 98

Disseminated encephalitozoonosis was diagnosed in 2 sibling, juvenile, cotton-top tamarins (Saguinus oedipus) and 3 sibling, neonatal, emperor tamarins (S. imperator) by use of histologic examination, histochemical analysis, electron microscopy, and polymerase chain reaction (PCR) analysis with nucleotide sequencing. All tamarins were captive born at zoos in North America and died with no premonitory signs of disease. The main pathologic findings were myocarditis (4/5), hepatitis (3/5), interstitial pneumonia (3/5), skeletal myositis (3/5), meningoencephalitis (2/5), adrenalitis (2/5), tubulointerstitial nephritis (1/5), myelitis (1/5), sympathetic ganglioneuritis (1/5), and retinitis (1/5). Central nervous system lesions were the most prominent findings in cotton-top tamarins. The inflammation was predominantly lymphocytic and suppurative in cotton-top tamarins, whereas emperor tamarins had granulomatous or lymphoplasmacytic lesions. Intralesional periodic acid-Schiff-, gram-, or acid-fast (or all 3)-positive, oval-to-elliptical shaped organisms were found in 1 cotton-top and the 3 emperor tamarins. By electron microscopy, these organisms were consistent with microsporidia of the genus Encephalitozoon. E. cuniculi genotype III was detected by PCR analysis and sequencing in paraffin-embedded brain, lung, and bone marrow specimens from the cotton-top tamarins. Although PCR results were negative for one of the emperor tamarins, their dam was seropositive for E. cuniculi by ELISA and Western blot immunodetection. These findings and recent reports of encephalitozoonosis in tamarins in Europe suggest that E. cuniculi infection may be an emerging disease in callitrichids, causing high neonatal and juvenile mortality in some colonies. The death of 2 less than 1-day-old emperor tamarins from a seropositive dam supports the likelihood of vertical transmission in some of the cases reported here.
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PMID:Disseminated encephalitozoonosis in captive, juvenile, cotton-top (Saguinus oedipus) and neonatal emperor (Saguinus imperator) tamarins in North America. 1684 85

Cytomegalovirus (CMV) is a virus that infects both normal and compromised hosts. In normal hosts, CMV presents most often as an "infectious mononucleosis-like" illness, but less commonly may present as community-acquired pneumonia (CAP), colitis, hepatitis, or fever of unknown origin. In compromised hosts, CMV often presents as CAP, encephalitis, retinitis, adrenalitis, hepatitis, or colitis. Not unlike parvovirus B19, CMV is an immunomodulatory virus that may cause or exacerbate rheumatic/inflammatory disorders, particularly systemic lupus erythematosus (SLE). Acute CMV infection may result in de novo SLE or more commonly may precipitate an SLE flare. In patients with SLE who are taking immunosuppressives, CMV increases the degree of immunosuppression of cell-mediated immunity. We present the case of a 40-year-old woman with SLE who presented with severe CMV CAP. CMV infection was suspected because of 2 nonspecific laboratory findings: increased serum transaminases and atypical lymphocytes in the peripheral smear. SLE is a multisystem autoimmune disorder that spares the liver. Therefore, in a patient with SLE who experiences an SLE flare, increased serum transaminases should suggest the possibility of CMV. In patients with SLE with flare, the likelihood of CMV is further increased if serum transaminases are elevated with atypical lymphocytes and should prompt specific testing for CMV. This patient's severe CMV CAP was treated successfully with oral valganciclovir, and she made a slow but complete recovery.
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PMID:Severe cytomegalovirus (CMV) community-acquired pneumonia (CAP) precipitating a systemic lupus erythematosus (SLE) flare. 1948 95


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