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Shedding Light on Sarcoidosis

Credit: WikiMedia
Credit: WikiMedia

Normally, the immune system defends the body against foreign or harmful substances, sending special cells to protect organs. These cells release chemicals that recruit other cells to isolate and destroy the harmful substance. Inflammation occurs during this process. Once the harmful substance is gone, the cells and the inflammation go away…but not always.

Consider sarcoidosis, a chronic inflammatory disease that affects about 200,000 in the US–three times as many African-Americans as Caucasians. The condition can affect many organs, but mainly appears in the lungs. Skin changes — including purple lesions — are sometimes associated with the disorder, and the clinical course of the condition can vary depending on organ involvement, ethnicity and incubation period. Complicating things further: Onset can be either rapid or gradual and many individuals appear asymptomatic for years.

The cause of sarcoidosis is unknown, though researchers have made associations with irritants like fumes from wood-burning stoves and tree pollen. More recently, exposure to molds, insecticides and even particulates from photocopiers have been linked to the disease as well.

Sarcoidosis is usually temporary, with the body healing itself about half the time. Many people recover from the disease with few or no long-term problems, according to the National Heart, Lung and Blood Institute. When patients need treatment, it often includes using good health practices like eating a balanced diet, exercising, curbing excessive intake of calcium-rich foods, and avoiding exposure to noxious materials (including cigarettes). For other cases, a physician may prescribe medications that commonly treat gout or rheumatoid arthritis or steroid therapy.

To diagnose sarcoidosis, a physician must first exclude other diseases that may have similar signs and symptoms, such as tuberculosis and some lymphomas. These other diseases need very different treatments than sarcoidosis.

Groups such as the Foundation for Sarcoidosis Research, the American Lung Association and the Sarcoid Networking Association are helping, and bring together support, education and resources to improve the lives of sarcoidosis patients and their loved ones.

This post was written by Edmund Miller, PhD, and Arunabh Talwar, MD, at the Center for Heart and Lung Research at North Shore University Hospital and LIJ Medical Center. 

For more North Shore-LIJ Health Blog posts, go tohttp://blog.northshorelij.com/ 

Contents of the health blog are the property of North Shore-LIJ Health System and are provided as a health resource for consumers, health care professionals and members of the media. The medical content on the North Shore-LIJ Health Blog is for informational purposes only and should not be considered a substitute for consultation with your physician regarding diagnosis, treatment or any other form of specific medical advice. These materials may be reprinted for noncommercial personal use only. "North Shore-LIJ Health System," "North Shore-LIJ," "northshorelij.com," "VivoHealth," their related entities and logos are trademarks of the North Shore-LIJ Health System. Copyright © 2011 North Shore-LIJ Health System. All rights reserved.

This post is contributed by a community member. The views expressed in this blog are those of the author and do not necessarily reflect those of Patch Media Corporation. Everyone is welcome to submit a post to Patch. If you'd like to post a blog, go here to get started.

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