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Primary intracranial angioleiomyomas: diagnosis, treatment, and literature review

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机构: [1]Capital Med Univ, Beijing Tiantan Hosp, Dept Neurosurg, Beijing 100050, Peoples R China; [2]Capital Med Univ, Beijing Neurosurg Inst, Dept Pathol, Beijing 100050, Peoples R China; [3]Capital Med Univ, Beijing Tiantan Hosp, Dept Neurosurg, Tiantan Xili 6, Beijing 100050, Peoples R China
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关键词: Angioleiomyomas Cavernous sinus Diagnosis Microsurgery Central nervous system

摘要:
Intracranial angioleiomyomas (ALMs) are extremely rare, benign, mesenchymal soft tissue tumours. Early diagnosis is difficult without histopathology. We present 2 new cases of extra-axial ALMs involving the cavernous sinus and right temporal lobe. Moreover, present a literature review based on a search in PubMed using the words "angioleiomyomas, vascular leiomyomas, or angiomyomas". This review exclusively included studies in English of primary intracranial ALMs with detailed clinical data. The histopathology of the presented cases was similar. Both lesions consisted of thick-walled vessels blending with smooth muscle cells and bands of collagen in a disorganized pattern. Mitosis, cytological atypia, necrosis, or pleomorphism was rarely observed. The Ki-67 labelling index was less than 1 %. Smooth muscle actin, desmin, and vimentin were positive, but cytokeratin and HMB45 were negative. Multifocality of mature fat cells was observed in one case. To date, only 12 cases of intracranial ALMs have been described. The mean age of these patients is 45.7 years, and they are predominantly male (M/F ratio 4.5:1). Neuroradiologic characteristics were indistinctive and were all misdiagnosed preoperatively. Intracranial ALMs are rare independent entities and favourable outcomes can be achieved by complete resection. Though rare, the possibility of ALM is considered during preoperative assessment.

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中科院(CAS)分区:
出版当年[2013]版:
大类 | 4 区 医学
小类 | 4 区 临床神经病学 4 区 肿瘤学 4 区 病理学
最新[2023]版:
大类 | 3 区 医学
小类 | 3 区 临床神经病学 3 区 病理学 4 区 肿瘤学
JCR分区:
出版当年[2012]版:
Q3 PATHOLOGY Q3 CLINICAL NEUROLOGY Q4 ONCOLOGY
最新[2023]版:
Q2 CLINICAL NEUROLOGY Q2 PATHOLOGY Q3 ONCOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2012版] 出版当年五年平均 出版前一年[2011版] 出版后一年[2013版]

第一作者:
第一作者机构: [1]Capital Med Univ, Beijing Tiantan Hosp, Dept Neurosurg, Beijing 100050, Peoples R China;
通讯作者:
通讯机构: [1]Capital Med Univ, Beijing Tiantan Hosp, Dept Neurosurg, Beijing 100050, Peoples R China; [3]Capital Med Univ, Beijing Tiantan Hosp, Dept Neurosurg, Tiantan Xili 6, Beijing 100050, Peoples R China
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