AIDS

Kaposi sarcoma is the most common AIDS- related tumor in homosexual men and in populations in parts of Africa
2. Non-Hodgkin lymphoma is the second most common AIDS-associated neoplasm
3. The most common ocular manifestation of AIDS is a form of retinopathy consisting of cotton-wool spots, hemorrhages, and capillary abnormalities.
4. Cytomegalovirus (CMV), a double-stranded DNA virus in the herpesvirus family, is the most
common cause of life-threatening opportunistic viral infection in AIDS patients
5. Esophagus is the most common site of HIV related ulcer
6. Candidiasis in AIDS=the esophagus is the most common site of infection
7. The colon is the most common site of involvement of Histoplasma organisms in he gastrointestinal tract in AIDS patients
8. Terminal ileum is the most common gastrointestinal site of disseminated histoplasmosis in the non-AIDS immunocompromised patient
9. Cryptosporidiosis in AIDS=the jejunum is the most common site
10. Pneumonia is the most common manifestation of P carinii infection in AIDS
11. The liver, spleen, and lymph nodes are the most common sites of extrapulmonary pneumocystosis
12. The ileocecal region is the most common site of  tuberculosis in the gastrointestinal tract
13. The most common non-tuberculous mycobacterial infection in AIDS patients is caused by M avium.It is the most common opportunistic infection of bacterial origin in AIDS patients in developed countries . Acquired most commonly through the mouth or gastrointestinal tract
14. Bacillary angiomatosis =cutaneous lesions, which mimic those of Kaposi sarcoma, are the most common manifestation
15. The most common causes of vision loss affecting patients with AIDS --Cytomegalovirus (CMV) retinitis
16. Pulmonary TB is the most common type of TB in persons with HIV infection
(One controversy: PCP is the most common
cause of death in AIDS patient or Liver failure is the most common cause of death in people with AIDS)