Human Immunodeficiency Virus
- RNA retrovirus
- requires reverse transcriptase
- Core protein RNA surrounded by glycoprotein envelope
- Infects cells via CD4 receptors (T-helper)
Neoplastic associations
- Lymphoma
- B-cell NHL / T-cell NHL
- Aggressive form HL
- Kaposi's sarcoma
- Skin cancer
- SCP
- SCC: anus, vulva
- Laryngeal neoplasm
- SCC larynx
Surgical Relevance
- Bacterial enteritis
- Haemorrhage from KS of GIT
- CMV infection leading to megacolon
- GIT lymphoma