Papillary Endothelial Hyperplasia and Dilated Lymphatic Vessels in Bullous Pilomatricoma
نویسندگان
چکیده
منابع مشابه
Papillary endothelial hyperplasia and dilated lymphatic vessels in bullous pilomatricoma.
This is a report of papillary endothelial hyperplasia in a 9-year-old girl with a pilomatricoma showing bullous appearance. Histologically, papillary proliferation of endothelial cells was found within dilated lymphatic endothelium-lined vascular channels overlying a pilomatricoma. The endothelial cells covering the papillae were of a lymphatic endothelial cell nature proved by immunohistochemi...
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Mailing address: Luiz Alberto Benvenuti • Rua Madalena, 477/31 Vila Madalena 05434-090 São Paulo, SP Brazil E-mail: [email protected] Manuscript received May 15, 2009; revised manuscript received July 25, 2009; accepted October 07, 2009. 3 males). These samples were routinely processed and paraffin-embedded. Serial 4-μm sections were stained by hematoxylin and eosin, Masson’s trichrome or su...
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No growth factors specific for the lymphatic vascular system have yet been described. Vascular endothelial growth factor (VEGF) regulates vascular permeability and angiogenesis, but does not promote lymphangiogenesis. Overexpression of VEGF-C, a ligand of the VEGF receptors VEGFR-3 and VEGFR-2, in the skin of transgenic mice resulted in lymphatic, but not vascular, endothelial proliferation and...
متن کاملIntravascular papillary endothelial hyperplasia of the orbit.
Intravascular papillary endothelial hyperplasia is a rare vascular benign tumour bearing some similarities to malignant angiosarcoma. The case reported here in a 20-year-old girl is of particular interest because the orbital tumour, despite its entirely benign nature, invaded the temporal fossa through the lateral bone of the orbit.
متن کاملPapillary endothelial hyperplasia of adrenal: case report.
Intravascular papillary endothelial hyperplasia is a benign and rare intravascular process thought to arise from an organizing thrombus. Involvement of the adrenal gland is extremely rare, with only one case reported in the literature. We report a case of this vascular lesion in the adrenal gland, treated with laparoscopic adrenalectomy.
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ژورنال
عنوان ژورنال: Acta Dermato-Venereologica
سال: 2005
ISSN: 0001-5555
DOI: 10.1080/00015550410024120