title: [Metastases in the paranasal sinuses secondary to prostatic adenocarcinoma].
abstract: OBJECTIVE
  To report a new case of exceptional metastases from a prostatic carcinoma.
  
  
  METHODS
  64-year-old male with nine months history of disseminated prostate cancer, taking hormonal treatment and biphosphonates, who presents with rising PSA, facial dysesthesia and left exophtalmos. MRI recognizes the existence of a solid mass in the right maxillary sinus with involvement of the ipsilateral orbital floor, and another one in the left frontal sinus invading the roof of the ipsilateral orbit and also with orbital extraconal involvement.
  
  
  RESULTS
  Once the diagnosis was established hormonal maneuvers were performed and chemotherapy with docetaxel was administered achieving at the start of treatment measurable disease stabilization with biochemical remission of PSA levels, followed posteriorly by progression without changes in the metastatic images. Currently new cytoreductive therapy with docetaxel has been initiated.
  
  
  CONCLUSIONS
  1% of the prostatic tumors involve the head in their evolution. Most frequent metastases are localized in the brain and meninges, being the involvement of paranasal sinuses and ocular orbit extraordinary. The importance of these comes from the extension to the orbit and the eye in vicinity. Second line hormonal maneuvers, local radiotherapy and systemic chemotherapy will be necessary for control, although results are discouraging. In general, prognosis is poor, with short survival.
authors: Servicio de Urología, Hospital de Cruces, Baracaldo, Vizcaya, España. rllarena@eusklanet.net
authors: Roberto
authors: R
authors: Llarena Ibarguren
authors: Jorge
authors: J
authors: García-Olaverri Rodríguez
authors: Ainara
authors: A
authors: Villafruela Mateos
authors: Igor
authors: I
authors: Azurmendi Arin
authors: Ivan
authors: I
authors: Olano Grasa
authors: Carlos
authors: C
authors: Pertusa Peña
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis / Q000188:drug therapy / Q000556:secondary*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis / Q000188:drug therapy / Q000556:secondary*; D011471:Prostatic Neoplasms / Q000473:pathology*