Comparability, diagnostic validity and completeness of Nigerian cancer registries.

Background: Like many countries in Africa, Nigeria is improving the quality and coverage of its cancer surveillance. This work is essential to address this growing category of chronic diseases, but is made difficult by economic, geographic and other challenges.

Purpose: To evaluate the completeness, comparability and diagnostic validity of Nigeria's cancer registries.

Complete hydatidiform mole coexisting with a live fetus.

Hydatidiform mole co-existing with a normal fetus is very rare. We report a case of a 36 year old woman Para 4+0 who presented with amenorrhoea of twenty four weeks duration, vaginal bleeding, abdominal pain and pre-eclampsia. Ultrasound examination revealed a hydatidiform mole coexisting with a normal living fetus.

Leiomyoma of the greater omentum presenting with massive ascites.

Introduction: : Primary tumours of the omentum are quite uncommon, although it is a common site for for secondaries.

Presentation Of Case: : We report a case of leiomyoma of the greater omentum in a 31-year-old nulliparous woman who presented with a 2-year history of progressive abdominal distension with examination findings of massive ascites and a mobile ill-defined centrally located intra-abdominal mass. The preoperative diagnosis was equivocal.