Figure 1.1 demonstrates the female karyotype and the inset shows the sex chromosomes of the male A paca.

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The Center of Study and Research in Wild Animals Prof MA Giannoni, established at FCAVJ, is conducting research projects in mammals and birds. Partial results of cytogenetic analysis of some of these projects are presented below.The metaphases were obtained as described by Moorhead et al (1960), and chromosome G-, C-and NOR (nucleolar organizer region)-banding patterns were prepared according to Seabright (1971), Sumner (1972) and Howell and Black (1980), respectively. Cytogenetic analysis of Agouti pacaThis is a subproject of the 'Biology, behavior and adaptation to captivity of the Agouti paca species'. The species has great potential to be explored in animal production, but studies with a conservational viewpoint on repopulation and genetic improvement are needed. The purpose of this investigation was to contribute to

A case of uterine fatty tumour of 2 cm studied by transvaginal ultrasound in a 67-year-old woman undergone totally laparoscopic hysterectomy is here presented along with an updated review of this kind of tumours. A total of 226 cases from 75 publications could be found. Traditional definitions of these tumours are here critically reconsidered. The terminology used to define these tumours is confusing and reflects main radiological and pathological points of view (uterine fatty tumours [UFT] vs. lipoma/ lipoleiomyoma). It is here stressed that these tumours by occurring in aged and overweight women are not so uncommon as generally believed, can be very well recognized, as far as they are small (< 4 cm), by transvaginal ultrasound while CT and MR become more specific for decision making in case of larger size tumours. Symptoms largely vary from none to sudden lump enlargement or bleeding or pain. An association with malignancy has been found in 10% suggesting a radical treatment (hysterectomy) in most cases.