نتایج جستجو برای: papillary cystadenomas
تعداد نتایج: 22414 فیلتر نتایج به سال:
Pancreatic cystic lesions are commonly encountered today with the routine use of cross-sectional imaging modalities such as computed tomography (CT) and magnetic resonance imaging (MRI). The majority of patients discovered to have a pancreatic cyst are completely asymptomatic; yet the presence of such a finding instills fear in the minds of both patient and physician, as the concern for maligna...
OBJECTIVE To describe the computed tomography (CT) features of neuroendocrine tumors (NETs) and solid pseudopapillary tumors (SPTs) with unilocular cyst-like appearance, and to compare them with those of unilocular cystic tumors of the pancreas. MATERIALS AND METHODS This retrospective study was approved by our Institutional Review Board, and informed consent was waived. We included 112 pancr...
Pancreatic cysts that develop after abdominal trauma are generally considered to be pseudocysts. We present a patient with a post-traumatic peri-pancreatic cyst that later ruptured suddenly, leading to an acute abdomen. Following an urgent laparotomy and excision of the cyst, post-operative histopathological assessment showed this to be a mucinous cystadenoma of the pancreas. We have reviewed t...
Appendiceal cystadenoma, the most common type of what has been generally termed 'mucocele' of the appendix, has unique clinical characteristics. In this study, three similar clinical manifestations of appendiceal cystadenoma are presented, with different subsequent management and diverse prognostic outcomes relating to the characteristics of the disease, the wishes of the patients, the medical ...
Primary mucinous cystadenomas are rare retroperitoneal tumors that are exclusively found in women. The histogenesis of these tumors is still uncertain, though mucinous metaplasia of the mesothelial lining cells is the most likely hypothesis. We report a 19-year-old pregnant female, initially believed to have a severe hydronephrosis of left kidney, but was finally diagnosed as a retroperitoneal ...
BACKGROUND Oxidative damage and DNA repair dysfunction are associated with carcinogenesis. 8-OHdG is one of the major oxidative DNA adducts. Present work aims to investigate whether the expression of 8-OHdG and its key repair gene hOGG1 play distinctive role in two types of serous ovarian cancer. MATERIALS AND METHODS 8-OHdG level in DNA from tumor and matched tumor-adjacent normal tissue in ...
Pancreatic cancer is the fourth leading cause of cancer death in the U.S. According to the Surveillance Epidemiology and End Results (SEER) program, the median age at diagnosis between 2003-2007 was 72 years of age, and the incidence of new cases diagnosed during this period in all races was 13.3 per 100,000 men and 10.5 per 100,000 women. The median age at death for pancreatic cancer during th...
More than 2% of adults harbor a pancreatic cyst, a subset of which progresses to invasive lesions with lethal consequences. To assess the genomic landscapes of neoplastic cysts of the pancreas, we determined the exomic sequences of DNA from the neoplastic epithelium of eight surgically resected cysts of each of the major neoplastic cyst types: serous cystadenomas (SCAs), intraductal papillary m...
Cardiac papillary fibroelastoma is the third most frequent primary cardiac tumor, after myxoma and fibroma. A papillary fibroelastoma that arises from the papillary muscle is rare. We removed a papillary fibroelastoma located at the anterior papillary muscle of the tricuspid valve. The papillary muscle needed reconstruction. We used the loop technique to adjust the length of the papillary muscl...
Mucinous cystadenomas of the liver are rare cystic neoplasms, often mistaken for simple cysts or hydatid liver. They generally benign tumors, discovered incidentally on imaging during independent surgeries. Despite their tendency to grow slowly, mucinous can reach symptomatic dimensions. And given potential malignant transformation into cystadenocarcinomas, a misdiagnosis have serious secondary...
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