Intersection of Syphilis and HIV Networks to Identify Opportunities to Enhance HIV Prevention

Oropharyngeal Secondary Syphilis Mimicking Metastatic Lymphoma in an HIV-Positive Patient

Syphilis is a bacterial infection commonly transmitted by sexual contact. It has variable manifestations and can mimic other disease processes or infections. This report presents the case of a 48-year-old HIV-positive male who was referred to our head and neck clinic with complaints of tonsillar hypertrophy and ulceration accompanied by a one-month history of ipsilateral cervical lymphadenopathy and facial pain in the setting of recent unexplained weight loss and abnormal radiographic imaging of the neck. In-office tonsillar biopsy and fine-needle aspiration of a neck mass revealed a non-diagnostic atypical lymphoid proliferation. Surgical pathology following an open biopsy in the operating room showed Treponema pallidum infection, which was diagnostic for secondary syphilis.

Costs Associated With Incorporation of Network Approaches Into Sexually Transmitted Disease Program Activities

BACKGROUND

Network approaches can be used to study sociosexual partnerships and identify individuals at high risk of infection. Little is known about the cost structure of these services and their association with STD diagnoses.

METHOD

We collected costs associated with using a peer network strategy to recruit men who have sex with men and transwomen of color in 4 counties in North Carolina: Guilford, Forsyth, Durham, and Wake from February through October 2019. We used a comprehensive costing approach to gather detailed retrospective information on the intervention cost, broken down by category and programmatic activity.

RESULTS

The sociosexual networks collected consisted of 31 initial seeds (index cases) and 49 peers of those seeds. In peers, 5 cases of human immunodeficiency virus (HIV) and 10 cases of syphilis were identified. The cost per case (HIV or syphilis) identified was $7325. Personnel costs accounted for 80% of total expenditures, followed by laboratory expenses (12%). Personnel cost was distributed between disease intervention specialist patient navigators (51%), nonclinical (37%), and management (12%) staff. General administration was the costliest programmatic activity (37%), followed by case management and field services (37%), and study activities (11%). The estimated average cost per patient tested was $2242.

CONCLUSIONS

Finding positive peer cases in nonclinical settings is costly but may be crucial for limiting the spread of sexually transmitted diseases. The cost of staff was the major driver. This study demonstrates that using a network strategy can be a cost-effective way to identify, test, and refer patients at high risk of syphilis and HIV infections to care.