PURPOSE During varicocelectomy in adolescents it is complex to preserve at least some of the lymphatic vessels draining the testis, postoperative hydrocele formation consequently represents a complication of this procedure. Basic pattern of the lymphatic drainage of the testes and inguinal canal is described following studies of dissected specimens in male cadavers. MATERIAL AND METHODS Microlymphography was undertaken using a combination of two parts methylen blue and one part India ink. After preservation with intravasal injection of a formol/carbolic mixture histological examination of four inguinal canals were performed. 4 μm sections were cut after fixation in formaldehyde-PBS and stained with mouse monoclonal D2-40 antibody (marker of lymphatic endothelium) and biotinylated secondary antibody. Visualisation of antigen-antibody complex was performed via incubation with streptavidian, alcaline phosphatase, fast red and haematoxylin. Digitalisation was completed with a Zeiss axioplan microscope and AxioVision. RESULTS Lymphographic studies demonstrated lymphatic vessels emerging from the surface of the testis in three groups to escort mainly the testicular artery and vein as well subsequently. Around the vas deferens just delicate lymphatics are evident. At the internal inguinal ring the contrast media outlined two to three main testicular lymphatic trunks which accept the lymph drainage of the three testicular lymphatic groups. CONCLUSIONS The recognition of the three main routes of lymphatic drainage in the inguinal canal arising from the surface of the testes establishes constancy in the morphological pattern and provides the opportunity to preserve at least one main testicular lymphatic trunk irrespective of the surgical procedure.