A 4-year-old who attends a daycare five days a week is brought to the GP by his mom for itchy,
watery eyes. The conjunctivae are injected. The most likely causative virus is also known to cause
which of the following?
- A) Hemorrhagic cystitis
- B) Uroepithelial cell tumorigenesis
- C) Hepatocellular neoplasia
- D) Retinal vascular proliferation
- E) Diabetes mellitus type I
0 voters
EXP:
This patient has viral conjunctivitis.
Adenovirus is the most common cause of viral conjunctivitis and keratoconjunctivitis
(inflammation of cornea + conjunctiva).1, 2
It is also associated with hemorrhagic cystitis, which presents as hematuria, dysuria, frequency, and
urgency, usually resolving within two weeks.3, 4
Adenovirus is not believed to be associated with cancers in humans, although it may be used to
transform mammalian cells in vitro.5
Coxsackie B virus6
, rotavirus7,8
, mumps virus9
, and cytomegalovirus are known viral precipitators of
diabetes mellitus type I in individuals with susceptible HLA haplotypes10. Coxsackie B is the most
common cause.11