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A tumor composed of lymphatic vessels or blood.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a benign tumor consisting of blood or lymph vessels. There are two forms of angioma—simple angioma, which is a congenital flat growth on the skin or mucous membrane, forming the basis of so-called vascular birthmarks (of bluish-purple color), somewhat elevated above the skin and requiring no treatment; and cavernous angioma, a tumor found in subcutaneous tissue or inside internal organs, sometimes giving rise to serious hemorrhages. Surgical removal of the latter type of angioma is necessary in case of rapid growth or the presence of disfigurement.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Eccrine angiomatous hamartoma: a clinicopathologic review of 18 cases.
Interestingly the only one case of eccrine angiomatous nevus we found was on the face - a rather uncommon site.
Angiomatous meningiomas have a distinct genetic profile with multiple chromosomal polysomies including polysomy of chromosome 5.
Gamulescu, "Visual and morphological outcomes of bevacizumab (Avastin[R]) versus ranibizumab (Lucentis[R]) treatment for retinal angiomatous proliferation," International Ophthalmology, vol.
PASH of the breast is a rare benign proliferation of mesenchymal stromal cells with irregular slit-like formations resembling angiomatous structures that are similar to vascular spaces.
In our observation, the immunohistochemistry examination of the tumor confirmed the cutaneous angiomatous nature of the lesion by the use of specific markers (CD31, CD34, and AC Antifactor VIII), thus ruling out cutaneous metastases diagnosis [12].
Renal AVMs are divided to three types, including the cirsoid, angiomatous, and aneurysmal [1].
Galan, "Single-session photodynamic therapy combined with intravitreal bevacizumab for retinal angiomatous proliferation," Retina, vol.
Patients with polypoidal choroidal vasculopathy, retinal angiomatous proliferation, maculopathy with myopic CNV, or CNV based on angioid streaks or patients with axial length >26.0 mm or <23.0 mm were excluded from the study.
Total 50 cases of meningiomas were studied histologically, among them the most common variant is meningothelial meningioma, 32 cases (64%), followed by psammomatous consisting of 5 cases (10%), followed by angiomatous consisting of 4 cases (8%), followed by fibroblastic and atypical, each variant consisting of 3 cases (6%), followed by microcystic, clear cell, and papillary variant each consisting of 1 case (2%).
The tumor may contain high-, iso-, and low-attenuating areas, reflecting the angiomatous, sclerosing, and cystic components, respectively.
A differential diagnosis of fungiform papilloma, inverting papilloma, and angiomatous polyp was considered.