Pulmonary veno-occlusive disease is an extremely rare form of high blood pressure in the lung area.

See also: Primary pulmonary hypertension

Pulmonary vaso-occlusive disease

In most cases, the cause of pulmonary veno-occlusive disease is unknown. The condition may be related to a viral infection. It may occur as a complication of certain diseases such as lupus, or as a complication of leukemia, lymphoma, chemotherapy, or bone marrow transplantation.

The disorder is most common among children and young adults. As the disease gets worse, it causes narrowed pulmonary veins, pulmonary artery hypertension, and congestion and swelling of the lungs.

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Respiratory system

Review Date: 06/02/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)