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Oral Surg Oral Med Oral Pathol. 1992 Sep;74(3):326-31.

Natural history of HIV-associated salivary gland disease.

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Department of Oral Medicine and Oral Surgery, Hillerød Central Hospital, Denmark.


To describe the natural history of HIV-associated salivary gland disease, which is characterized by enlarged major salivary glands and/or xerostomia in HIV-infected persons, we assessed 22 patients at an initial and follow-up examinations (median span of examinations, 15 months). Sixteen patients (73%) had bilateral parotid gland enlargement, 17 had symptoms of dry mouth, and 11 had both conditions. Parotid gland enlargement remained unchanged in 10 patients, it progressed in 2, and it regressed in 4 during treatment with zidovudine or steroids. Those patients with parotid gland enlargement had a significantly lower mean stimulated parotid flow rate (0.27 ml/min/per gland) than a control group of HIV+ persons without salivary gland disease (0.48 ml/min/per gland) (p less than 0.05), whereas the mean unstimulated whole salivary flow rates did not did not differ significantly between the two groups. The mean salivary flow rate of the study group did not change during the observation period. When HIV-associated salivary gland disease was diagnosed, 5 patients (23%) had AIDS, and at follow-up 10 (46%) had AIDS. Seven of these had Kaposi's sarcoma. The mean peripheral blood CD4 cell count was 280 and 225 per mm3 at the initial and follow-up examinations, respectively. The corresponding CD8 counts were 1138 and 900. The pathogenesis of HIV-associated salivary gland disease may include hyperplasia of intra-parotid lymphoid tissue. Because HIV-associated salivary gland disease can clinically resemble Sjögren's syndrome, the differential diagnosis of bilateral parotid enlargement should include HIV infection.

[Indexed for MEDLINE]

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