Indagini istologiche, immunocitochimiche ed ultrastrutturali su quattro casi di tumore a cellule della granulosa-teca della cavalla

SUMMARY - The histological, immunocytochemical and ultrastructural characteristics of Leydig-like cells were investigated in four equine gjanulosa-theca cells tumore (GTCT). Proliferation of thè granulosa-theca cells in a follicular pattern was thè prominent microscopie finding in each tumor. Neoplastic cells were also arranged in cords, trabecular pattems or in solid insular masses. The amount of stremai or thecal reactions varied both in thè different cases and within thè same tumor. Leydig-like cells were present arnong theca cells in 3 cases. Immunocytochemical staining for testosterone was strongly positive in these cells. Ultrastructurally they were similar to thè interstitial cells of thè testìs. The rcsults of thè present study show that thè number of Leydig-like cells is related to plasma testosterone concentration and that they appear to be a source of thè testosterone production

Poverty Consumption: Consumer Behavior of Refugees in Industrialized Countries

To date, consumer research has devoted no attention to the consumer behavior of refugees in industrialized countries. This article summarizes research investigating the experiences of young refugees in a western country and the coping strategies they develop in consumer behavior in order to deal with the new situation of living in an affluent society. Another part of the study focuses on “sacred” possessions and on the question of whether they have a significant meaning for the adolescent refugees and for what reasons. The research was conducted in a shelter for adolescent refugees and was based chiefly on ethnographic fieldwork, collage techniques and long interviews, especially making use of male informants from Africa and Asia

Poverty Consumption: Consumer Behavior of Refugees in Industrialized Countries

To date, consumer research has devoted no attention to the consumer behavior of refugees in industrialized countries. This article summarizes research investigating the experiences of young refugees in a western country and the coping strategies they develop in consumer behavior in order to deal with the new situation of living in an affluent society. Another part of the study focuses on “sacred” possessions and on the question of whether they have a significant meaning for the adolescent refugees and for what reasons. The research was conducted in a shelter for adolescent refugees and was based chiefly on ethnographic fieldwork, collage techniques and long interviews, especially making use of male informants from Africa and Asia

Ultrastructural findings of spontaneously occurring seminoma in an adult ornamental cyprinid (Cyprinus carpio L.)

An ultrastructural description of a previously described spontaneous seminoma in a Koi carp (Cyprinus carpio) is given in this note. The seminoma, diagnosed as classical with a diffuse pattern by histology and immunohistochemistry, displayed a homeomorphic population of neoplastic cells with ultrastructural features similar to those described in human seminoma