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1.
Hiroko Ida-Yonemochi Wael Swelam Chikara Saito Takashi Saku 《Journal of oral pathology & medicine》2005,34(1):59-61
A case of angiolipoma occurring in the buccal mucosa of a 69-year-old male is described. The patient had noticed a painless mass in his buccal mucosa for 2 years. The surgically removed tumor, measuring 9 mm in diameter, was mainly located in the submucosal layer with focal expansion into the muscle layer. Histologically, the tumor was well-demarcated and composed of proliferations of mature fat cells and fibrous connective tissue containing many small blood vessels, which were evenly distributed. There was diffuse infiltration of a large number of mast cells, which were immunopositive for vascular endothelial growth factor (VEGF) especially around blood vessels, suggesting that VEGF produced by mast cells in angiolipomas plays an important role in the vascular proliferation in this particular tumor. 相似文献
2.
Angiolipomas of the Central Nervous System 总被引:4,自引:0,他引:4
Angiolipomas are neoplasms composed of mature adipocytes admixed with abnormal vascular elements. They are most commonly found in the subcutaneous tissue of the trunk and extremities, but other sites have been reported. The craniospinal axis is an uncommon but significant site. An extensive review of the literature is conducted. We summarize 94 cases of angiolipomas in the central nervous system (CNS) in 92 patients, including five in our own series, to highlight the most prominent features of these tumors. The increasing number of cases of CNS angiolipoma in the era of magnetic resonance imaging raises the question of the rarity of these lesions. 相似文献
3.
A 33-year-old female with a longstanding history of seizures was admitted to our hospital with subarachnoid haemorrhage (SAH). Computed tomography (CT), magnetic resonance imaging (MRI) and digital subtraction angiography (DSA) depicted a vascular fat-containing lesion overlying a right frontal cortical polymicrogyria. The diagnosis of angiolipoma was established. Conservatory management was undertaken with full recovery. She has been followed for 5 years since, with neither re-bleeding nor morphologic change of the lesion. This is a rare intracranial lesion, with only 11 intracranial angiolipomas published in the literature, and is the first case reported which is associated with SAH caused by this lesion. 相似文献
4.
Jin Hyoung Won Sung Ku Ahn Seung Hun Lee Soo-Chan Kim Soo Im Choi 《The Journal of dermatology》1993,20(6):381-383
We report a 20-year-old-Korean woman with a congenital giant pigmented nevus and angiolipoma. She was admitted our department with a large, dark, pigmented lesion on the right flank and abdomen and a slowly growing mass on the right flank area since birth. On biopsy, the specimen taken from the giant pigmented patch showed typical findings of compound nevus. The right flank mass was surgically removed. The specimen was composed of mature fat cells with an increased vascular component. These findings are compatible with angiolipoma. 相似文献
5.
A. Bardosi Th. Schaake R. L. Friede U. Roessmann 《Virchows Archiv : an international journal of pathology》1985,406(2):253-259
Summary The light and ultrastructural analyses of an extradural intraspinal angiolipoma causing symptoms of spinal cord compression, are reported. The tumour showed morphological evidence of an endocrine-like secretory activity of fat cells, with an apparent mechanism of secretory function that has not previously been described for angiolipomas. The secretory granules, containing a lipid-like material, were covered with a continuous basement membrane originating from the basement membrane of the adipocyte. 相似文献
6.
《Neurocirugía (Asturias, Spain)》2020,31(2):76-86
Introduction and objectivesAngiolipomas of the spinal canal are a rare condition of unknown origin. They are considered histologically benign; however, some have the potential to infiltrate adjacent structures. The aim of this systematic review was to suggest a potential mechanism for the pathogenesis of spinal angiolipomas, along with a useful approach for their preoperative management.Materials and methodsA literature review of cases of spinal angiolipoma was performed. In addition, two of the cases encountered in our practice are presented. The first case refers to a 35-year-old male patient with a history of spinal fusion because of a T9 fracture, while the second concerns a 46-year-old male patient with an epidural mass extending outside the spinal canal, who underwent fine needle biopsy and embolisation of its feeding vessel.ResultsFrom the review of the literature performed, we were unable to identify any correlation between the infiltrative potential and the patients’ demographic and tumour characteristics.ConclusionsAngiolipomas are considered to be sporadic, yet theories concerning their pathogenesis include reaction to harmful stimuli and congenital malformation of the adipose tissue. Fine needle biopsy may be mistakenly considered non-diagnostic, due to the presence of well-differentiated adipocytes. 相似文献
7.
Kacar S Kuran S Temucin T Odemis B Karadeniz N Sasmaz N 《World journal of gastroenterology : WJG》2007,13(9):1460-1465
Angiolipoma is a rare vascular variant of the benign lipomatous tumors and is generally seen in subcutaneous tissues. We report a 70-year-old female with abdominal distension not related to rectal small polypoid mass with peduncule described as angiolipoma by histologically, and review the literature. 相似文献
8.
Ajay Garg Vipul Gupta Shailesh Gaikwad P Deol Nalin Kant Mishra Mehar Chand Sharma Sandeep Vaish 《Journal of Medical Imaging and Radiation Oncology》2002,46(1):84-90
We report three cases of spinal angiolipoma, two intramedullary and one epidural, and review their MRI features. Diagnoses were established preoperatively in all cases. Specific MRI features including the importance of postgadolinium fat‐saturated T1‐weighted images and presence of vascular flow‐voids are discussed with histopathological correlation. A characteristic morphological appearance of intramedullary angiolipoma has been suggested. 相似文献
9.
Abstract: The mammographic and sonographic appearance of angiolipomas of the breast is presented. This rare benign variant of lipoma usually presents as a painless breast mass. The imaging characteristics of angiolipomas of the breast are variable, overlapping with both other benign breast neoplasms and with malignancies. The most common mammographic appearance of angiolipomas of the breast in this series was an oval or round, isodense, circumscribed mass. The most common sonographic features were oval shape, circumscribed borders, and iso- to slight hyperechogenicity. These imaging features are nonspecific and biopsy is required for definitive diagnosis. 相似文献
10.
Flemming Skovby John M. Graham Stig Sonne-Holm M. Michael Cohen 《American journal of medical genetics. Part A》1993,47(5):656-659
We report on 2 children with spinal stenosis and neurologic sequelae. They illustrate the 2 ways in which spinal compromise may develop in Proteus syndrome—vertebral anomalies or tumor infiltration. In one patient, spinal stenosis resulted from an angular kyphoscoliosis. In the other, cord compression resulted from infiltration of a paraspinal, intra-thoracic angiolipoma. © 1993 Wiley-Liss, Inc. 相似文献