Primary renal lymphoma is a controversial entity. Only 29 cases have been reported since 1980. Diagnostic criteria are not well established. We report here 3 new cases and review the literature. Primary renal lymphoma was considered on the basis of uni- or bilateral nonobstructive nephromegaly with or without renal failure. In all cases, the diagnosis was made after renal biopsy. Extrarenal abdominal involvement was excluded by imaging techniques. The role of staging laparotomy remains controversial. Chemotherapy is the treatment of choice, but the prognosis is poor. We propose a clinical definition of primary renal lymphoma in order to achieve a better management of the disease.

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The purpose of this work is to present the research program of a Clinical Center, the AIGLE Foundation in Buenos Aires, Argentina. It describes the potentialities and advantages of research in this context. It also describes the institute, the types of patients treated and its professional staff. The program covers four areas: determining the demand for psychotherapeutic care in the population at large, studying the conditions making participation in community mental health possible, analyzing and follow-up on the outcomes and studying the personal styles of the therapists. Finally, this work discusses the usefulness and applicability of these results for clinical practice.

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BackgroundThe association between obesity and psychopathology is well known. However, the presence of psychopathology in patients with morbid obesity who attend bariatric surgery and its impact in weight loss has been less studied. ObjectiveTo perform a theme update about the general context of psychiatric disorders associated with morbid obesity, and to assess the impact of such disorders in patients undergoing bariatric surgery. Method EBSCO ResearchDatabase and PubMed databases were consulted. Articles published between 2011 and today were selected. Key words related to the topic of study were used. ResultsThe studies reviewed showed five psychopathological clinical entities with high prevalence in patients who attend bariatric surgery: Depression and anxiety, attention deficit hyperactivity disorder, disorders of eating behavior, substance abuse, and some dimensions of personality. The presence of these disorders was associated to a poor post-surgical weight loss. Discussion and conclusionBinge eating disorder and substance abuse impact on weight loss after bariatric surgery is controversial. The evaluation of obese patients who attend bariatric surgery must emphasize, according with reported disorders prevalence, the identification of depression, anxiety and attention deficit hyperactivity disorder.Key words: Mental health, morbid obesity, bariatric surgery, weight loss, psychopathology, depressive disorder. RESUMEN AntecedentesLa asociación entre obesidad y psicopatología es bien conocida; sin embargo, la presencia de esta última en los pacientes con obesidad mórbida sometidos a cirugía bariátrica y su impacto en la pérdida de peso ha sido menos estudiado. ObjetivoRealizar una actualización sobre el panorama general de los trastornos psiquiátricos asociados con la obesidad mórbida, y el impacto de éstos sobre la pérdida de peso en pacientes bariátricos. MétodoSe consultaron las bases de datos EBSCO Research Database y PubMed. Se seleccionaron los artículos publicados de 2011 a la fecha. Fueron utilizadas palabras clave relacionadas con el tema de estudio. ResultadosLos estudios revisados mostraron cinco entidades clínicas psicopatológicas con alta prevalencia en pacientes que se encuentran en protocolo de cirugía bariátrica: Depresión y ansiedad, trastorno por déficit de atención e hiperactividad, trastornos de la conducta alimentaria, abuso de sustancias y algunas dimensiones de la personalidad. La presencia de estas condiciones se asoció a una menor pérdida de peso posterior al procedimiento quirúrgico. Discusión y conclusiónEl impacto del trastorno por atracón y por abuso de sustancias en la pérdida de peso, posterior a la cirugía bariátrica, es controversial. La evaluación del paciente con obesidad candidato a cirugía bariá-trica debe enfatizar, de acuerdo con la prevalencia de los trastornos reportados, la identificación de trastornos depresivos-ansiosos y del trastorno por déficit de atención e hiperactividad.Palabras clave: Salud mental, obesidad mórbida, cirugía bariátri-ca, pérdida de pes...

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