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Lipoleiomyosarcoma Presenting as Massive Retroperitoneal Mass: An Unusual Soft Tissue Tumor of Abdomen and its Review of Literature
Lipoleiomyosarcoma is a malignant tumor of both mesenchymal and smooth muscle origin. Lipoleiomyosarcoma is a very rare type of retroperitoneal...
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Retroperitoneal Mass: Lymphoma as Differential Diagnosis to Retroperitoneal Fibrosis: Case Report
The etiology of solid retroperitoneal mass may be autoimmune or neoplastic and should be investigated by imaging and histology. The spectrum of...
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Safety and efficacy of laparoscopic transperitoneal versus retroperitoneal resection for benign retroperitoneal tumors: a retrospective cohort study
Background and objectiveBenign retroperitoneal tumors (BRTs) are clinically rare solid tumors. This study aimed to compare the safety and efficacy of...
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Collecting duct carcinoma with retroperitoneal mass as initial presentation: a rare case report
BackgroundCollecting duct carcinoma (CDC) is a rare renal tumor, originating from the distal collecting duct. CDC rarely presents as a primary tumor...
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Surgical resection of a massive residual retroperitoneal mass after chemotherapy for a paratesticular rhabdomyosarcoma: a case report
IntroductionParatesticular rhabdomyosarcoma is a rare and aggressive mesenchymal tumor, accounting for only 7% of all rhabdomyosarcomas. It is mainly...
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Image features and clinical analysis of retroperitoneal pelvic schwannoma: a case report
BackgroundSchwannomas are benign usually encapsulated nerve sheath tumors derived from the Schwann cells, and affecting single or multiple nerves....
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Laparoscopic Tumorectomy for an Unusual Pelvic Retroperitoneal Leiomyoma: A Case Report
Leiomyomas are benign tumors, mostly located in the uterus. The pelvic localization is quite rare, and it is associated with unusual growth patterns....
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A rare case of retroperitoneal teratoma with evidence of papillary thyroid carcinoma: a case report
BackgroundTeratomas are germ cell tumors composed of somatic tissues from up to three germ layers. Primary retroperitoneal teratomas usually develop...
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Primary retroperitoneal squamous cell carcinoma: a literature review
PurposeRetroperitoneal squamous cell carcinoma is an extremely rare histological variant of retroperitoneal tumors. The exact etiology and origin of...
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Robotic transperitoneal versus retroperitoneal approach for anterior renal mass nephron-sparing surgery
Robotic nephron-sparing surgery is traditionally performed via a transperitoneal (TP) approach. However, the retroperitoneal (RP) approach has gained...
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IgG4-related retroperitoneal fibrosis mimicking renal pelvis tumor: a case report and literature review
BackgroundRetroperitoneal fibrosis (RPF) is a rare disease characterized by the development of a fibroinflammatory mass in the retroperitoneum....
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Anesthetic management of a huge retroperitoneal leiomyoma: a case report
BackgroundRetroperitoneal leiomyomas are rare, with just over 100 cases reported in the literature. Perioperative management of retroperitoneal...
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Retroperitoneal leakage as an important cause of acquired ultrafiltration decline in peritoneal dialysis: clinical characteristics and related risk factors
BackgroundPeritoneal dialysis (PD) is a widely-used renal replacement therapy while low ultrafiltration volume usually results in technique failure....
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Spontaneous retroperitoneal hematoma: a case report
BackgroundSpontaneous retroperitoneal hematoma is defined as bleeding in the retroperitoneal space without any triggers such as trauma, invasive...
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Correlation between imaging and histology in benign solitary retroperitoneal nerve sheath tumors: a pictorial review
BackgroundBenign nerve sheath tumors presenting as solitary retroperitoneal masses (RBNSTs) pose a complex diagnostic challenge for multidisciplinary...
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Primary Retroperitoneal Teratoma – a Rare Case
Primary retroperitoneal Teratomas are very rarely encountered in clinical practice and account only for 4% of all primary Teratomas. Commonly found...
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Large retroperitoneal extraskeletal Ewing’s sarcoma with renal pedicle invasion: a case report
BackgroundExtraskeletal Ewing’s sarcoma (EES) is a rare malignant tumor primarily found in children and young adults. Localized disease can present...
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Multi-omics joint analysis revealed the metabolic profile of retroperitoneal liposarcoma
Retroperitoneal liposarcoma (RLPS) is the main subtype of retroperitoneal soft sarcoma (RSTS) and has a poor prognosis and few treatment options,...
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Spontaneous retroperitoneal haemorrhage after pulmonary endarterectomy surgery
Spontaneous retroperitoneal hematoma (SRH) is a rare complication of anticoagulation therapy. Presentation may vary from limb paresis to hypovolemic...
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Retroperitoneal liposarcoma with pancreatic metastasis and gastric cancer: a case report
On computed tomography scanning, a 63-year-old man with vomiting and anorexia was discovered to have a mass in the pancreatic body and a...
