نتایج جستجو برای: primary retroperitoneal
تعداد نتایج: 649921 فیلتر نتایج به سال:
A Giant Primary Retroperitoneal Serous Cystadenoma: Case Report and Review of Retroperitoneal Cysts.
Primary retroperitoneal serous cystadenomas (PRSCs) are rare cystic lesions whose pathogenesis is currently not well understood. Although the vast majority of tumors are benign, early recognition and resection is necessary to avoid malignant transformation, rupture, and secondary infection. Here we present the case of a 79-year-old woman who presented with confusion, visual hallucinations, and ...
BACKGROUND Retroperitoneal tumors are often massive and can involve adjacent organs and/or vital structures, making them difficult to resect. Completeness of resection is within the surgeon's control and critical for long-term survival, particularly for malignant disease. Few studies directly address strategies for complete and safe resection of challenging retroperitoneal tumors. METHODS Fif...
RATIONALE Cystic echinococcosis (CE) is a parasitic zoonosis caused by echinococcus larvae. Manifestations of the disease include a severe damage to the liver and lung. Damages to the mesentery, omentum, spleen, brain, heart, bone, thyroid, kidney, and uterus are rarely observed. Moreover, primary ovarian and retroperitoneal hydatid disease is extremely rare, and is easily ignored or misdiagnos...
BACKGROUND Carcinoma of unknown primary (CUP) of the pelvis is a challenging entity for the oncologist. The role of human papilloma virus (HPV)/p16 in carcinogenesis and prognosis is more established in the head and neck than in the pelvis. In the case of an HPV positive occult primary of the pelvis the radiation therapy target coverage is not well established. CASE REPORTS Case#1: A 69-year-...
Sarcomas are malignant tumors arising from skeletal and non-skeletal connective tissue, as well the peripheral nervous system. Sarcoma is detected in majority of patients who have a primary retroperitoneal, extra-visceral, unifocal soft tissue mass. Liposarcoma leiomyosarcoma most prevalent histologic types retroperitoneal sarcoma adults. Most liposarcomas known low to mild grade tumors. Well d...
Primary osteosarcoma of the kidney is a very rare neoplasm with a very poor prognosis and unclear histogenesis. Only 20 cases have been reported in the literature. It has a strong tendency to recur locally and spread to distant sites. We present the clinical case of a 79-year-old man affected by a primary osteosarcoma of the kidney presenting with substantial retroperitoneal tumor hemorrhage. L...
A 56-year-old female was referred to our hospital due to a mass measuring 5 cm in size in the left pelvic cavity, which was found incidentally during a health examination by ultrasonography. Exploratory laparotomy was performed and the mass was located at the left retroperitoneal parametrium without invasion of the uterus and ovary. The pathology report confirmed squamous cell carcinoma. Even a...
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