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Radiology of AIDS in the pediatric patient
D Grattan-Smith1, L F Harrison, E B Singleton
1Department of Radiology, Royal Children's Hospital, Melbourne, Australia.
Insights
Pediatric Acquired Immunodeficiency Syndrome (AIDS) presents unique challenges, with distinct complications affecting multiple organ systems in children born to Human Immunodeficiency Virus (HIV)-positive mothers. Imaging is crucial for diagnosing these diverse manifestations.
Area of Science:
- Pediatric Infectious Diseases
- Immunology
- Radiology
Background:
- Pediatric Acquired Immunodeficiency Syndrome (AIDS) disproportionately affects infants of mothers with Human Immunodeficiency Virus (HIV).
- Children exhibit shorter incubation periods and earlier onset of symptoms compared to adults.
- Opportunistic infections and unique malignancies characterize pediatric AIDS, alongside altered T-cell and humoral immunity.
Purpose of the Study:
- To describe the spectrum of complications associated with pediatric AIDS across various organ systems.
- To highlight the role of diagnostic imaging in identifying and managing these complications in children.
Main Methods:
- Review of complications in pediatric AIDS patients.
- Emphasis on imaging modalities for diagnosis.
- Detailed description of pulmonary, cardiovascular, gastrointestinal, genitourinary, and neurological manifestations.
Main Results:
- Common pulmonary complications include Pneumocystis carinii pneumonia and lymphoid hyperplasia.
- Cardiovascular involvement encompasses myocarditis, pericarditis, and endocarditis.
- Gastrointestinal, genitourinary, and neurological systems are frequently affected by opportunistic infections and HIV neuropathy, with abdominal lymphadenopathy also noted.
Conclusions:
- Pediatric AIDS involves a wide range of organ system complications, differing from adult presentations.
- Diagnostic imaging plays a vital role in the comprehensive evaluation and management of pediatric AIDS.
- Early identification of complications through imaging is essential for improved patient outcomes.
Abstract:
The Acquired Immunodeficiency Syndrome (AIDS) has involved the pediatric age group and is especially prevalent in babies born of mothers who are intravenous drug abusers or prostitutes. Approximately 30% of children born to mothers who are seropositive for the human immunodeficiency virus (HIV) will develop HIV infection. There are several important differences in children and adults with AIDS. The incubation period of the disease is shorter, and initial clinical manifestations occur earlier in children. In addition, certain infections are more common in children, and the different types of malignancy, especially Kaposi's sarcoma, are unusual in the pediatric age group. The altered immune system involves both T cells and humoral immunity and increases susceptibility to a variety of infections, particularly opportunistic organisms. In this publication the complications of pediatric AIDS involving the lungs, cardiovascular system, gastrointestinal tract, genitourinary system, and neurological system are described. The most common pulmonary complications in our experience are Pneumocystis carinii pneumonia and pulmonary lymphoid hyperplasia. The spectrum of cardiovascular involvement in pediatric AIDS includes myocarditis, pericarditis, and infectious endocarditis. Gastrointestinal tract involvement is usually due to opportunistic organisms that produce esophagitis, gastritis, and colitis. Abdominal lymphadenopathy is a common finding either due to disseminating Mycobacterium avium-intracellulare infection or nonspecific lymphadenopathy. Although cholangitis is more commonly seen in adults, it may occur in children with AIDS and, in most cases, is due to related opportunistic infections. Genitourinary infections may be the first evidence of HIV disease. Cystitis, pyelonephritis, renal abscesses, and nephropathy with renal insufficiency are complications of pediatric AIDS. A variety of neurological abnormalities may occur in pediatric AIDS. The most common cause of neurological dysfunction in children with AIDS is HIV neuropathy. We present the many complications of AIDS in children demonstrated by a variety of imaging modalities, emphasizing the importance of diagnostic imaging in children with this disease.