Atypical transformation in sacral drop metastasis from posterior fossa choroid plexus papilloma
نویسندگان
چکیده
منابع مشابه
Prognostic implications of atypical histologic features in choroid plexus papilloma.
The prognostic significance of atypical histologic features in choroid plexus tumors remains uncertain. Therefore, a series of 164 choroid plexus tumors was evaluated for the presence of atypical histologic features, including mitotic activity, increased cellularity, nuclear pleomorphism, blurring of papillary growth pattern, and necrosis. The impact of histopathologic and clinical features on ...
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Choroid plexus papillomas (CPPs) are usually not malignant and occur in less than 1% of brain tumors in patients of all ages. They represent 3% of childhood intracranial neoplasms with a predilection in younger ages. Papillomas have an indolent course and carry a good long-term outcome if gross total surgical resection is achieved. However malignant evolution may occur, with a 10-30% incidence....
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The authors present a case of huge atypical choroid plexus papilloma in both lateral and third ventricles. A 2-yearold girl presented with lethargy and vomiting. Magnetic resonance images disclosed a huge enhancing mass, which probably arose from the left lateral ventricle and extended to the right lateral and the third ventricles. Total removal of the mass via the interhemispheric transcallosa...
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BACKGROUND The pigmented or melanotic variant of choroid plexus carcinoma is very rarely encountered. CASE REPORT We report herein a case of melanotic or pigmented choroid plexus carcinoma in the posterior fossa of an 11-year-old female. CONCLUSIONS A histopathological study supported by immunohistochemistry helped the authors to diagnose this rare entity. How to differentiate this tumor fr...
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We reported a rare case of choroid plexus papilloma arising at the foramen of Luschka of the fourth ventricle. The features of the tumor, as observed by computed tomography, magnetic resonance imaging and digital subtraction angiography are described, along with a review of the literature. Correspondence Author to: Kou-Mou Huang Department of Diagnostic Radiology, Shin Kong Wu Ho-Su Memorial Ho...
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ژورنال
عنوان ژورنال: Case Reports
سال: 2012
ISSN: 1757-790X
DOI: 10.1136/bcr-01-2012-5681