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Abstract: Giant ameloblastomas may present with massive swelling of the jaws. We report a giant ameloblastoma of the mandible in a Nigerian patient that measured 15.1×12.2×13.6cm and was managed with a single procedure. The tumour was removed by segmental mandibulectomy and reconstructed with a fibular free flap. The excess soft tissue was treated with a bilateral commissuroplasty. Single stage treatment that establishes early functional and aesthetic recovery offers advantages over multi staged procedures, and is therefore the treatment of choice for giant ameloblastomas. [Copyright &y& Elsevier]

There is a critical shortage of trained human immunodeficiency virus (HIV) providers in resource-limited settings. To strengthen preservice HIV training for postgraduate health care providers, University of Maryland's Institute of Human Virology and Center for Clinical Care and Research Nigeria collaborated with University of Nigeria to plan and implement a comprehensive 4-week course in HIV medicine. The first course was piloted with 30 postgraduate doctors. Mean objective structured clinical examinations (OSCE), pretest, and posttest scores score were 51%, 53%, and 75%, respectively; follow-up examination at 6 months showed mean score of 74%. In multivariate regression analysis, pretest score was positively associated with posttest score (22.03, P < .001) and OSCE (0.29, P = .04), age negatively associated with pretest score (-0.94, P = .001), and female gender positively associated with OSCE score (6.15, P = .05). Six- and 18-month online surveys revealed trainees continued to apply knowledge and skills gained. North-south university collaborations to develop practicum-based preservice curricula offer a sustainable way to strengthen preservice evidence-based HIV medicine training with long-lasting retention of skills and knowledge.