Lyimo, J,E2020-12-182020-12-181978Lyimo, J,E (1978) Twenty case Histories and Comentaries in Surgery, Masters dissertation, University of Dar es Salaam, Dar es Salaam.http://41.86.178.5:8080/xmlui/handle/123456789/13910Available in print form, East Africana Collection, Dr.Wirbert Chagula Library, Class mark (THS EAF RD34.L8)The need for postgraduate training of surgical specialist in the environment in which they will eventually work in well recognized. Such training provides the opportunity of learning the “Art and Science of Surgery” in the environment which the Specialist are to practice and they can make a contribution to service in the local community, the training of their junior colleagues students and auxiliary staff. In 1973, the University of Dar es Salaam, started a three-year post graduate training course in secretary and one of its requirements for entry to the final M. Med. Examination is the preparation and submission of dissertation of 20 different clinical case studies with the review of the relevant literature. This dissertation is made up of 20 case histories divided into three sections:- A. General Surpery 10 marks B. Orthopaedics and traumatic Surgery 5 marks C. Genitourinary surgery 5 marks The cases in general surgery reflects the common in the digessive system that constitutes the largest group of admissions in adult general surgical wards in Muhimbili. Section B covers the common traumatic and infective conditions seen in the Orthopnedic-Trauma department of Muhimbili. In section C the author’s specialist some interesting genitourinary clinical conditions commonly seen in Muhimbili are presented. The author participated actively in the management of these patients under supervision of his teachers. All these 20 case histories with their respective literature review offered an excellence varied learning opportunities of the noble “Art and science of surgery” in Muhimbili Medical Centre.enSurgeryOperativeCase historyThesis