Some Common Diseases Associated with AIDS Pathogen or Disease Disease Description Protozoa Cryptosporidium parvum Persistent diarrhea Toxoplasma gondii Encephalitis Isospora belli Gastroenteritis Viruses Cytomegalovirus Fever,encephalitis,blindness Herpes simplex virus Vesicles of skin and mucous membranes Varicella-zoster virus Shingles Bacteria Mycobacterium tuberculosis Tuberculosis M.avium-intracellulare May infect many organs;gastroenteritis and other highly variable symptoms Fungi Pneumocystis jiroveci Life-threatening pneumonia Histoplasma capsulatum Disseminated infection Cryptococcus neoformans Disseminated,but especially meningitis C.albicans Overgrowth on oral and vaginal mucous membranes(cate:gry B stage of HIV infection) C.albicans Overgrowth in esophagus,lungs (category C stage of HIV infection) Cancers or Precancerous Conditions Kaposi's sarcoma Cancer of skin and blood vessels (caused by human herpessirus 8) Hairy leukoplakia Whitish patches on mucous membranes;commonly considdeed precancerous Cervical dysplasia Abnormal cervical growth Table 19.5Some Common Diseases Associated with AIDS Table 19.5