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....

BACKGROUND Liposarcoma is the most frequent histopathological variety of the retroperitoneum, surgery is the gold standard for treatment. CASE PRESENTATION We present the case of a 24-year-old male who was diagnosed with a giant retroperitoneal liposarcoma. The patient received palliative treatment due to non-resectability on the basis of chemotherapy. We decided to perform surgery after no b...

Introduction: Retroperitoneal schwannoma is a rare tumor that originates from the Schwann cells of peripheral nerve sheath. It mostly located in brain and spinal cord, but can affect other untypical places such as scrotum penis. Aim: The aim this study was to present two different cases retroperitoneal schwannoma. Case study: authors patients with benign malignant schwannomas (malignant sheath ...

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...

Retroperitoneal tumors can pose a diagnostic and therapeutic challenge to gynecologists because of their rarity, late presentation, and complex anatomical location in the retroperitoneum. This article reviews the diagnosis and management of retroperitoneal tumors in the pelvis, and highlights the potential pitfalls that may be faced by gynecologists.

A 59-year-old male was admitted to our hospital because of incidentally found right retroperitoneal tumor. He had undergone removal of a hemangioma in the left oral cavity four years before. An abdominal CT scan performed in our hospital revealed poorly enhanced bilateral retroperitoneal tumors adjacent to kidneys. Those tumors were of low signal intensity on T1-weighted images and high on T2-w...

Retroperitoneal liposarcoma is an infrequent, locally aggressive malignancy. We report two cases of huge retroperitoneal liposarcomas. The presence of a palpable abdominal mass was a common symptom of the two patients. Preoperative imaging study showed huge retroperitoneal tumors. Both patients underwent complete surgical resections, and a negative microscopic margin was achieved in both cases....

BACKGROUND Abdominal cavity drainage fluid can be used as an early diagnostic tool of postoperative complications, and observing its characteristics can help us to judge and handle postoperative complications. There is no accurate standard reference range on its characteristics after surgeries for gastrointestinal or retroperitoneal tumors. This research attempted to analyze its characteristics...