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[HIV infections. Problems of morphologic diagnosis]
Arkhiv Patologii
|January 1, 1991
Summary
Human immunodeficiency virus (HIV) infection causes significant ultrastructural changes in lymphoid and rectal cells, indicating metabolic disturbances. These alterations, particularly tubuloreticular structures, may signal a terminal stage of HIV infection.
Area of Science:
- Immunology
- Virology
- Cell Biology
Background:
- Human immunodeficiency virus (HIV) infection impacts various organs.
- The rectum serves as an initial site of viral contact in some cases.
- Understanding cellular changes is crucial for diagnosing and staging HIV infection.
Observation:
- Significant ultrastructural alterations occur in lymphoid cells of immunocompetent organs.
- Epithelial and stromal cells of the rectum also exhibit changes.
- These changes are quantitative and suggest metabolic dysregulation.
Findings:
- HIV infection disrupts water-salt and protein metabolism.
- Damage to lymphocytes and plasmacytes in the rectal lamina propria impairs local immune defense.
- Tubuloreticular and tubulo-annular structures in rectal and lymphoid cells are characteristic of terminal-stage HIV infection.
Implications:
- Rectal biopsy can reveal characteristic ultrastructural changes indicative of HIV infection.
- These findings highlight the systemic impact of HIV on cellular structure and metabolism.
- Identifying these structures may aid in diagnosing advanced HIV disease and understanding its pathogenesis.