Human Immunodeficiency Virus Lymphadenitis Definition Lymphadenitis caused by infection with human immunodeficiency virus (HIV). Synonym HIV lymphadenitis. Epidemiology In the 26 years since june 1981, when the first cases of…
Ordinary Bacterial Lymphadenitis Definition Acute, sometimes suppurative lymphadenitis caused by bacterial infection. Pathogenesis Common bacteria, more often Staphylococcus aureus than group A streptococci, may infect the regional lymph nodes draining…
Introduction In a broad sense, bacterial diseases include infections produced by ordinary cocci and bacilli and also by mycobacteria, rickettsiae, and spirochetes. This heterogeneous group of microorganisms can produce tissue…
Measles Lymphadenitis Definition Lymphadenitis caused by infection with measles virus. Etiology Measles virus, a paramyxovirus, produces an acute, highly contagious, exanthematous infection in unimmunized patients. The measles virus does not…
Vaccinia Lymphadenitis Definition Lymphadenitis caused by infection with vaccinia virus. Synonyms Postvaccinial lymphadenitis, smallpox vaccination adenitis. Etiology Vaccinia virus infections usually do not occur naturally, being generally induced as vaccination…
Varicella-Herpes Zoster Lymphadenitis Definition Lymphadenitis caused by infection with varicella or herpes zoster virus. Etiology The viruses isolated from patients with varicella (chickenpox) or herpes zoster (shingles) are physically and…
Herpes Simplex Virus Lymphadenitis Definition Lymphadenitis caused by infection by herpes simplex virus (HSV). Synonym HSV lymphadenitis. Clinical Syndrome Herpes simplex virus has a worldwide distribution and is primarily spread…
Infectious Mononucleosis Lymphadenitis Definition Acute lymphadenitis caused by infection with Epstein-Barr virus (EBV). Synonym EBV lymphadenitis; infectious mononucleosis. Etiology The human herpesvirus family, the Herpesviridae, includes 25 families of viruses…
Cytomegalovirus Lymphadenitis Definition Lymphadenitis caused by infection with cytomegalovirus (CMV). Synonym CMV lymphadenitis. Epidemiology Cytomegalovirus is a ubiquitous pathogenic agent with worldwide distribution. In the United States, complement-fixing antibodies to…
Introduction A variety of viruses can cause acute or chronic lymphadenitis. In some cases, the presence of viruses in the affected lymph nodes can be demonstrated by histologic, immunologic, molecular,…
