Venous Hemangioma of the Posterior Mediastinum.
Summary of "Venous Hemangioma of the Posterior Mediastinum."
Here, we describe our experience in treating a patient with mediastinal hemangioma, a rare neoplasm. An abnormal shadow was noted in the thoracic region of a 54-year-old woman at a health checkup, and she was referred to our hospital. A neurogenic tumor was suspected based on the findings of the chest X-ray and computed tomography scan. Thoracoscopic tumorectomy was performed. The tumor surface was smooth with a reddish-dark reddish color, and capillary blood vessels showed marked growth around the tumor. The tumor was composed of medium or large blood vessels with a relatively thick vascular wall containing smooth muscle. On immunostaining, anti-CD34 antibody and Factor VIII were positive and D2-40 was negative. Based on these findings, the tumor was diagnosed as mediastinal venous hemangioma.
Affiliation
Department of Thoracic Surgery, Saitama Cancer Center, Kitaadachi-gun, Saitama, Japan.
Journal Details
This article was published in the following journal.
Name: Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of A
ISSN: 1341-1098
Pages:
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22033239
- DOI: http://dx.doi.org/
Medical and Biotech [MESH] Definitions
Central Nervous System Venous Angioma
A vascular anomaly characterized by a radial or wedge-shaped arrangement of dilated VEINS draining into a larger vein in the brain, spinal cord, or the meninges. Veins in a venous angioma are surrounded by normal nervous tissue, unlike a CENTRAL NERVOUS SYSTEM CAVERNOUS HEMANGIOMA that lacks intervening nervous tissue. Drainage of venous angioma is fully integrated with the body's venous system, therefore, in most cases there is no clinical signs and rare bleeding.
Venous Insufficiency
Impaired venous blood flow or venous return (venous stasis), usually caused by inadequate venous valves. Venous insufficiency often occurs in the legs, and is associated with EDEMA and sometimes with VENOUS STASIS ULCERS at the ankle.
Klippel-trenaunay-weber Syndrome
A congenital disorder that is characterized by a triad of capillary malformations (HEMANGIOMA), venous malformations (ARTERIOVENOUS FISTULA), and soft tissue or bony hypertrophy of the limb. This syndrome is caused by mutations in the VG5Q gene which encodes a strong angiogenesis stimulator.
Pulmonary Sclerosing Hemangioma
A benign neoplasm of pneumocytes, cells of the PULMONARY ALVEOLI. Originally considered to be vascular in origin, it is now classified as an epithelial tumor with several elements, including solid cellular areas, papillary structure, sclerotic regions, and dilated blood-filled spaces resembling HEMANGIOMA.
Hemangioma, Capillary
A dull red, firm, dome-shaped hemangioma, sharply demarcated from surrounding skin, usually located on the head and neck, which grows rapidly and generally undergoes regression and involution without scarring. It is caused by proliferation of immature capillary vessels in active stroma, and is usually present at birth or occurs within the first two or three months of life. (Dorland, 27th ed)
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