نتایج جستجو برای: retroperitoneal space
تعداد نتایج: 498947 فیلتر نتایج به سال:
paragangliomas are tumors that originate from extra-adrenal medullary neural crest derivatives. they are rarely located in retroperitoneal space. these tumors are often discovered incidentally during imaging studies performed for other reasons.periampullary cancers include adenocarcinomas arising from the pancreas, ampulla of vater, duodenum or distal common bile duct. the exact site of origin ...
INTRODUCTION AND OBJECTIVE Retroperitoneal access for robotic renal surgery is an effective alternative to the commonly used transperitoneal approach. We describe our contemporary experience and technique for attaining retroperitoneal access. MATERIALS AND METHODS We outline our institutional approach to retroperitoneal access for the instruction of urologists at the beginning of the learning...
Background Retroperitoneal schwannomas are extremely rare, as they account for only 3% of retroperitoneal tumors. Clinical symptoms are nonspecific and of late onset, meaning that these tumors are diagnosed at an advanced stage. Surgical resection is required for histological diagnosis and to prevent possible malignant transformation. Celioscopy offers numerous benefits, reducing postoperative ...
Primary retroperitoneal mucinous cystic tumors are extremely rare. These tumors can be classified as a primary retroperitoneal mucinous cystadenoma with or without borderline malignancy or primary retroperitoneal mucinous cystadenocarcinoma. The most common of these is primary retroperitoneal mucinous cystadenoma, which almost always occurs in female patients; only ten cases have been reported ...
INTRODUCTION Spontaneous retroperitoneal hemorrhage is a distinct clinical entity that can present as a rare life-threatening event characterized by sudden onset of bleeding into the retroperitoneal space, occurring in association with bleeding disorders, intratumoral bleeding, or ruptures of any retroperitoneal organ or aneurysm. The spontaneous form is the most infrequent retroperitoneal hemo...
Air may extend to the retroperitoneal space from retroperitoneal perforation of a hollow viscus, infection of the anterior pararenal space with gas-forming organisms and from pneumothorax or pneumomediastinum [1]. Rare pathologies, such as open reduction and internal fixation of femoral fractures and anaerobic abscess of the hip joint have also been described in relation to this complication [1...
We herein present a case of unicentric type Castleman’s disease (CD) arising in the retroperitoneal space. An asymptomatic 44-year-old male was noted to have an abdominal mass during his annual health checkup. The only abnormal finding on laboratory testing was an increased erythrocyte sedimentation rate. Preoperative imaging studies led to a possible diagnosis of unicentric type CD in the retr...
Retroperitoneal tumors, whether primary or resulting from the metastasis of other tumors, are a real challenge for the surgeon, in terms of their diagnosis and treatment. They are relatively rare, under 0.2% of the total number of tumors. The clinical examination of retroperitoneal tumors is uncharacteristic and misleading, consisting mainly in palpation of the tumor proper and in assessment of...
Retroperitoneum is a large space where the primary and metastatic tumors grow silently before clinical signs appear. Retroperitoneal sarcomas represent 10% to 15% of all soft tissue sarcomas. This group, retroperitoneal soft tissue sarcomas is associated with a very poor long-term survival rate, difficulty in diagnosis and complete surgical removal with a rim of normal tissue around the tumors....
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