%0 Journal Article %T S¨ªndrome de desarrollo sexual precoz por tumor de c¨¦lulas granulosas: presentaci¨®n de un caso %A Moreno Kim %A Silvia Elena %A Gonz¨¢lez Fern¨¢ndez %A Diana %A Romero Rivero %A Oscar %A D¨ªaz Borroto %A Abel %A Medina Dom¨ªnguez %A Rolando %J Revista M£¿£¿dica Electr£¿3nica %D 2012 %I Centro Provincial de Informaci¨®n de Ciencias M¨¦dicas. Matanzas %X we describe a case of juvenile ovarian tumor of granulose cells. its initial manifestation was an isosexual precocious puberty, in a girl aged 3 years, of a rapid and progressive evolution, associated to a palpable hypogastric mass. the hormonal assessment showed estradiol, high; 17aoh-progesterona, 13,44ng/ml, inhibited fsh, the same as lh, normal alpha fetoprotein. the imaging examination confirmed a tumoral mass in the right ovary. we extirpated the right ovary tumor of nearly 10- 12 cm , solid, well delimitated with a granulose surface, together with the tube involved in the process. the histopathologic examination showed a juvenile tumor of granulose cells. after the surgical treatment the patient has evolved satisfactorily, not showing symptoms of metastasis. the hormonal dosages were found in the normal range. %K functional ovarian tumors. %U http://scielo.sld.cu/scielo.php?script=sci_abstract&pid=S1684-18242012000100009&lng=en&nrm=iso&tlng=en