Cases reported "Lipoma"

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1/2006. angiomyolipoma: diagnosis and treatment.

    Four cases of renal angiomyolipoma are presented, 3 of which were diagnosed in non-tuberous sclerosis patients. In 1 case diagnosis was made preoperatively and in another case it was made intraoperatively, allowing for preservation of functioning renal parenchyma. The second successful kidney transplant in a patient with tuberous sclerosis and renal failure is reported. One cannot always differentiate renal angiomyolipomas from adenocarcinoma. However, if the classical angiographic findings of sacculated pseduo-aneurysms supplied by the interlobular and interlobar arteries are present non-operative observation or limited surgery with preservation of renal tissue is possible. Also, knowledge of the gross pathologic appearance and the syndrome of tuberous sclerosis will allow one to make a preoperative or intraoperative diagnosis with confidence. ( info)

2/2006. Benign renal angiomyolipoma with regional lymph node involvement.

    The 2 cases reported herein involve benign renal angiomyolipomas, showing the same angiomyolipoma changes in the regional lymph nodes. It is concluded that these lymph node changes are caused by a multicentric origin of the angiomyolipoma rather than true metastasis. A plea is made not to over treat these tumors since all evidence points to the fact that they are indeed benign. ( info)

3/2006. Ossifying lipoma.

    Lipomas are very common, but osseous changes within these tumours are rare. A lipoma with osseous components is presented, with an overview of the literature and pathogenesis of this unusual lesion and considerations relating to the differential diagnosis. ( info)

4/2006. Lipoma of the preputium clitoridis in neonate: an exceptional abnormality different from ambiguous genitalia.

    A lipoma of the preputium clitoridis was found in a newborn girl. Ambiguous genitalia was first suspected. Surgery was successfully performed at 5 months. ( info)

5/2006. Giant lipoma of the larynx: a case report and literature review.

    Fewer than 15% of lipomas occur in the head and neck. To date, fewer than 100 cases of laryngeal lipoma have been reported in the literature. Typical clinical manifestations include dysphagia, dyspnea and hoarseness, as well as the presence of a smooth or pedunculated mass seen endoscopically and a low attenuation mass on computed tomography scan. Pathologic sections commonly reveal a tumor consisting of mature adipocytes, which is often encapsulated. Treatment of laryngeal lipoma varies from conservative total endoscopic removal to external surgical approaches. The following is a report of a single case of laryngeal lipoma, including pathologic and radiologic findings, as well as a review of the literature. ( info)

6/2006. Childhood lipoma arborescens presenting as bilateral suprapatellar masses.

    Synovial lipomatous proliferations are uncommon idiopathic lesions. Suprapatellar synovial plicae commonly are diagnosed with mechanical knee problems. However, it is not widely known that these plicae can isolate the suprapatellar pouch from the rest of the knee joint. We describe a case of complete bilateral compartmentalization of the suprapatellar pouch (plica synovialis suprapatellaris) in which a 10-year-old boy developed articular tumors isolated in this area. Arthroscopic synovectomy specimens revealed the lesions to represent lipoma arborescens. Rheumatologists should be aware of these two findings when examining a child with swollen knee. ( info)

7/2006. A case of bleeding gastric lipoma: US, CT and MR findings.

    We report a case of gastric lipoma which manifested with an episode of acute gastrointestinal hemorrhage. Preoperative diagnosis was based on the US, CT, and MRI findings, as the results of gastrointestinal endoscopy were inconclusive. The role of current imaging methods, and particularly of MRI, is discussed. ( info)

8/2006. Lipoma of the corpus callosum.

    Lipoma of the corpus callosum is a rare congenital condition, often asymptomatic, but which may present as epilepsy, hemiplegia, dementia, or headaches. This paper reviews the condition and reports the only two cases which are known to the Hospital for Sick Children, Great Ormond Street, london. The second case demonstrated the value of computerised axial tomography (EMI scan) in making the diagnosis and showing associated anomalies. ( info)

9/2006. Infiltrating extradural spinal angiolipoma.

    BACKGROUND: Angiolipomas are considered to be rare. They are benign mesenchymal tumors generally located in the subcutaneous tissue of trunk and limbs. methods: The authors report a thoracic epidural angiolipoma mimicking a vertebro-epidural metastasis. The patient suffered from medullary compression related to an extradural mass in T6. RESULTS: Pathological ex-, amination was obtained from tumoral samples. They consisted of mature adipose tissue with numerous sections of abnormal vascular channels. CONCLUSIONS: Reviewing literature particular attention is paid to some questions raised in connection with different kinds of vertebro-epidural tumors. The authors give importance to relationships between angiolipomas and angiomyolipomas using MRI as a tool in differential diagnosis. Pathogenesis is evokated especially regarding the role of corticotherapy, the case herein reported lying within this therapeutical context. ( info)

10/2006. Renal angiomyolipoma resembling gastrointestinal stromal tumor with skenoid fibers.

    We report an unusual case of renal angiomyolipoma occurring in 68-year-old man. The tumor lacked well-developed vascular and adipose components and was composed almost exclusively of smooth muscle cells. Numerous skenoid-like periodic acid-Schiff-positive globules were interspersed between the tumor cells; the lesion therefore closely resembled a low-grade stromal tumor of the gastrointestinal tract. The HMB45-positive/CD34-negative immunophenotype was essential for the diagnosis of angiomyolipoma. Neither gastrointestinal tumor nor any signs of tuberous sclerosis were found. This lesion should be included in the list of morphologic variations of angiomyolipoma, which may cause diagnostic difficulties. ( info)
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