Intravascular papillary endothelial hyperplasia. A benign lesion mimicking angiosarcoma. 1978

R J Barr, and J H Graham, and L A Sherwin

Observations were made of three cases of intravascular papillary endothelial hyperplasia (IPEH). Lesions of IPEH usually occur on the head and neck area as a subcutaneous red or blue nodule. This papillary proliferation of endothelial and stromal tissue occurs de novo in organizing venous thrombi or in preexisting hemangiomas or phlebectasias. An adequate understanding of this benign vascular disorder is important, since the lesion may be clinically and histologically mistaken for low grade angiosarcoma.

UI MeSH Term Description Entries
D006965 Hyperplasia An increase in the number of cells in a tissue or organ without tumor formation. It differs from HYPERTROPHY, which is an increase in bulk without an increase in the number of cells. Hyperplasias
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D003937 Diagnosis, Differential Determination of which one of two or more diseases or conditions a patient is suffering from by systematically comparing and contrasting results of diagnostic measures. Diagnoses, Differential,Differential Diagnoses,Differential Diagnosis
D004727 Endothelium A layer of epithelium that lines the heart, blood vessels (ENDOTHELIUM, VASCULAR), lymph vessels (ENDOTHELIUM, LYMPHATIC), and the serous cavities of the body. Endotheliums
D005260 Female Females
D006394 Hemangiosarcoma A rare malignant neoplasm characterized by rapidly proliferating, extensively infiltrating, anaplastic cells derived from blood vessels and lining irregular blood-filled or lumpy spaces. (Stedman, 25th ed) Angiosarcoma,Angiosarcomas,Hemangiosarcomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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