نتایج جستجو برای: retroperitoneal space
تعداد نتایج: 498947 فیلتر نتایج به سال:
neuroblastoma is the most common extracranial solid tumor in childhood. in different classification of neuroblastomas, a subset of undifferentiated or poorly differentiated tumors with bizarre histological features has been mentioned. a 3-year-old girl presented with abdominal pain. her haematological and biochemical parameters were normal except her urinary vanelylmandelic acid level was elevat...
conclusions in hemodynamically stable patients with a ruptured raml, early detection by ct followed by selective arterial embolization may be lifesaving. introduction renal angiomyolipoma (raml), is a rare, benign tumor arising from renal mesenchymal cells. frequently, it is asymptomatic and found incidentally. spontaneous rupture with consequent retroperitoneal hemorrhage is an uncommon but ca...
conclusions this is the first case of sft of the retroperitoneum removed laparoscopically. the laparoscopic approach is useful for the advantages of minimally invasive surgery especially in case of peduncolate tumor as the case reported. case presentation a 29-year-old female, was admitted in the gynaecology and obstetrics unit, for suspected pelvic tumor. ct scan showed a mass with hypervascul...
introduction hemangiopericytomas (hpcs) are rare neoplasms which account for approximately 1% of primary vascular tumors. case presentation we report a 73 years old woman with vague abdominal pain who did not have further significant symptoms and was diagnosed to have retroperitoneal hemangiopericytoma. discussion the tumor was initially diagnosed by ultrasound evaluation. mri showed a lobulate...
malignant peripheral nerve-sheath tumor (mpnst) is a high-grade malignant tumor of ecto-mesenchymal origin comprising approximately 10% of soft-tissue sarcomas. they tend to occur associated with neurofibromatosis or sporadically. here we report a mpnst at an extremely rare location and behavior causing disappearance of the entire kidney. patient evaluation included clinical, biochemical and ra...
OBJECTIVE To develop and describe a laparoscopic retroperitoneal access technique, investigate working space establishment, and describe the surgical anatomy in the retroperitoneal space as an initial step for clinical application of retroperitoneal laparoscopy in dogs. STUDY DESIGN Cadaveric and experimental study. ANIMALS Cadaveric (n=8) and healthy (n=6) adult dogs. METHODS The retrope...
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.
The results of examination and treatment of 110 patients with acute pancreatitis (AP) have been analyzed; 47 (42.7%) of these patients underwent computed tomography (CT) of the pancreas and of the retroperitoneal space prior to the operation. The analysis of the results showed that the CT of the pancreas and retroperitoneal space allows inferring the infected nature of liquid formations with an...
Retroperitoneal schwannomas are rare tumors and a correct pre-operative diagnosis is often not possible. They are usually identified incidentally via cross-sectional imaging. Diagnosis is based on histopathologic examination and immunohistochemistry. A 57-year-old man with a retroperitoneal schwannoma, as an unusual localisation, is presented.
An example of this rare combination of localized idiopathic fibrosis was reported by Morgan, Loughridge, and Calne (1966a). After much correspondence it was agreed that only 10 or 12 cases had appeared in the literature, two of which were diagnosed during life (Morgan et al., 1966b). The following case was diagnosed within a week of admission to hospital and the patient is still alive 14 months...
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