title: Paratesticular metastasis from Wilms tumor associated with a hydrocele.
abstract: Metastatic sites other than the lungs, lymph nodes, and liver are unusual for Wilms tumor (WT). Intra-scrotal metastasis is very rare. We report a 3-year-old boy with stage IIA WT, who experienced paratesticular metastasis 2 months after surgery for an abdominal recurrence. He had right scrotal hydrocele at initial diagnosis. The patient underwent right radical orchiectomy, and pathological examination revealed paratesticular WT metastasis. Intra-abdominal and peritoneal disseminated metastases followed. We considered that tumor cells spread through the patent processus vaginalis and grew at paratesticular space in hydrocele. One month after the end of 12 months of salvage chemotherapy and abdominal radiotherapy, the patient has no evidence of disease.
authors.affiliation: Department of Pediatric Oncology, Faculty of Medicine, Hacettepe University, Ankara, Turkey. burcaaydin@yahoo.com
authors.forename: G Burça
authors.initials: GB
authors.lastname: Aydin
authors.forename: Arbay O
authors.initials: AO
authors.lastname: Ciftçi
authors.forename: Bilgehan
authors.initials: B
authors.lastname: Yalçin
authors.forename: Zuhal
authors.initials: Z
authors.lastname: Akçören
authors.forename: Melda
authors.initials: M
authors.lastname: Cağlar
authors.forename: Mehmet E
authors.initials: ME
authors.lastname: Senocak
authors.forename: Münevver
authors.initials: M
authors.lastname: Büyükpamukçu
mesh_terms: D002675:Child, Preschool; D003131:Combined Modality Therapy; D005834:Genital Neoplasms, Male / Q000556:secondary* / Q000628:therapy; D006801:Humans; D008297:Male; D009364:Neoplasm Recurrence, Local / Q000473:pathology* / Q000601:surgery; D009919:Orchiectomy; D006848:Testicular Hydrocele / Q000209:etiology* / Q000473:pathology / Q000601:surgery; D013736:Testicular Neoplasms / Q000556:secondary; D009396:Wilms Tumor / Q000473:pathology* / Q000601:surgery