Epidemiology of Conjunctival Squamous Cell Carcinoma in Uganda

Sample size: 1274 publication 10 minutes Evidence: high

Author Information

Author(s): Newton R, Ziegler J, Ateenyi-Agaba C, Bousarghin L, Casabonne D, Beral V, Mbidde E, Carpenter L, Reeves G, Parkin D M, Wabinga H, Mbulaiteye S, Jaffe H, Bourboulia D, Boshoff C, Touzé A, Coursaget P

Primary Institution: Cancer Research UK, Epidemiology Unit

Hypothesis

Is conjunctival squamous cell carcinoma associated with HIV infection and other risk factors in Uganda?

Conclusion

Conjunctival cancer is strongly associated with HIV infection and poverty, with some evidence suggesting that increased time spent cultivating may also raise risk.

Supporting Evidence

The odds of conjunctival cancer were 10 times higher in HIV-infected individuals compared to controls.
Conjunctival cancer was less common in individuals with higher personal income.
The risk of conjunctival cancer increased with more time spent cultivating, indicating potential sun exposure.
Cases were more likely to report giving or receiving gifts for sex, but this finding may be coincidental.

Takeaway

This study found that people with HIV are much more likely to get a type of eye cancer called conjunctival cancer, especially if they have low income or spend a lot of time in the sun.

Methodology

A case-control study comparing 60 patients with conjunctival cancer to 1214 controls with other cancers, assessing various risk factors through interviews and blood tests.