Tumeur primitive inhabituelle de l'ovaire : lymphome malin non hodgkinien : à propos d'un cas.

Non-Hodgkin primary ovarian lymphoma is an extremely rare tumour of which the histogenesis remains debated. Some authors consider it the manifestation of a generalized lymphoma disease. The prognosis is evaluated on the basis of the clinical stage, the histological type and the phenotype.Wepresent the case of a 13-year-old girl who presented with pelvic pain. Pelvic ultrasonography and tomography confirmed the ovarian origin. The diagnosis of B diffuse large cell lymphoma was established from the anatomic specimen after exploratory laparotomy and pathologic examination. Problems related to this rare entity are discussed in terms of diagnosis and therapy. [ABSTRACT FROM AUTHOR]