Ultrasound thyroid gland dimensions in school-aged children in our environment are reproducible and the data obtained are comparable to those obtained in other environment. The values may be better used in our environment as reference data for screening purposes.

Objective: The objective of this study is to document the abdominal ultrasound findings in HIV infected patients and compare it with their CD4+ count. Patients and method: 300 confirmed HIV positive patients had abdominal ultrasonography done at the University of Benin Teaching Hospital from November 2007 to January 2008. Each patient’s sonographic findings were correlated with their CD4+ category using the WHO’s HIV classification index. Result: Splenomegaly, hepatomegaly, renomegaly, hyperechoic splenic parenchyma, increased renal echogenicity and lymphadenopathy are among the common sonographic findings. However, few of these findings correlated statistically with the CD4+ count. Conclusion: The versatile diagnostic tool, ultrasound, should continue to be an important imaging equipment in several impoverished communities. In the evaluation of HIV infected patients, its use is invaluable and should be promoted.

There are inadequate radiation protection and monitoring practices in most of the functional X-ray facilities in Edo state with only five (62.5%) of the private and two (20%) of the public X-ray units monitored. There is poor adherence to the advice of the medical physicists due to the cost implications of the implementation.

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Errors in replicate sonographic kidney size measurements obtained by a single observer were less than errors in the same measurements by different observers; therefore, replicate sonographic measurements by a single observer were more consistent in this population.