IntroductionAn embryonic paratesticular rhabdomyosarcoma is a very rare mesenchymal tumor. It is an intrascrotal tumor that is localized in paratesticular structures such as the epididymis or spermatic cord. Rhabdomyosarcoma is most often observed in children and adolescents, presenting as a painless scrotal mass.Case presentationOur patient was an 18-year-old Moroccan man who presented with a painless left scrotal mass that had evolved over four months. An inguinal orchiectomy was performed. A histological examination of the excised tissue revealed an embryonic rhabdomyosarcoma.Our patient had three sessions of chemotherapy with vincristine, actinomycin C and cyclophosphamide. Each chemotherapy session was conducted over five days, with a cycle of 21 days. Our patient was assessed two months after the last chemotherapy session and demonstrated good clinical improvement.ConclusionParatesticular rhabdomyosarcoma is a rare aggressive tumor manifesting in children and very young adults. Localized forms have a good prognosis whereas metastatic tumors show very poor results. A well-defined treatment based on surgery and chemotherapy yields good results.

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La localisation au niveau de la parotide des métastases du cancer du sein est très rare, quelques cas ont été rapportés dans la littérature. On rapporte le cas d'une patiente de 43 ans, qui a été traitée pour un cancer du sein droit, et qui a présenté deux ans après la fin du traitement une métastase au niveau de la parotide gauche, confirmée histologiquement.

Primary Ewing sarcoma (ES) and primitive neuroectodermal tumor (PNET) are considered as Ewing sarcoma family of tumors (ESFT), characterized by chromosomal translocation t(11; 22) (q24; q12) leading to a chimeric transcript EWS-FLI1 in 85% of cases. It typically involves the soft tissues of the chest wall, pelvis, paravertebral region, abdominal wall, retroperitoneal region and extremities in children, adolescents and young adults. It rarely occurs in the female genital tract. We report an extremely rare case of advanced vulvar Ewing sarcoma/PNET of the vulva confirmed by Fluorescence In Situ Hybridization (FISH) in a 30-year-old woman. The patient was treated by 6 cycles of chemotherapy followed by radiotherapy with favourable outcome. 242Case Reports in Clinical Medicine rarely found in the female genital tract, with occasional reports of tumors arising in the vulva, vagina, cervix, uterine corpus, broad ligament, and ovary [4].Here, we present a case of 30-year-old woman with a confirmed ES arising in the vulva and we report a systematic review of the published literature regarding primary vulvar ES.