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  3. Pulmonary alveolar microlithiasis
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Pulmonary alveolar microlithiasis


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Categories:
Congenital and Genetic Diseases; Lung Diseases

Summary Summary


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Pulmonary alveolar microlithiasis is a disorder in which tiny fragments (microliths) of calcium phosphate gradually accumulate in the small air sacs (alveoli) of the lungs. These deposits eventually cause widespread damage to the alveoli and surrounding lung tissue (interstitial lung disease). People with this disorder may also develop a persistent cough and difficulty breathing (dyspnea), especially during physical exertion. Chest pain that worsens when coughing, sneezing, or taking deep breaths is another common feature. People with pulmonary alveolar microlithiasis may also develop calcium phosphate deposits in other organs and tissue of the body.[1] Though the  course of the disease can be variable, many cases slowly progress to lung fibrosis, respiratory failure, or cor pulmonale.[2][3] The only effective therapy is lung transplantation.[2][3] In some cases, pulmonary alveolar microlithiasis is caused by mutations in the SLC34A2 gene and inherited in an autosomal recessive manner.[1][2]
Last updated: 6/19/2015

Symptoms Symptoms


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This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.

Showing of 7 |
Medical Terms Other Names
Learn More:
HPO ID
Percent of people who have these symptoms is not available through HPO
Autosomal recessive inheritance 0000007
Diffuse 0020034
Intraalveolar nodular calcifications 0006514
Onset
Age symptoms begin
0003674
Progressive pulmonary function impairment 0006520
Restrictive ventilatory defect
Stiff lung or chest wall causing decreased lung volume
0002091
Slow progression
Signs and symptoms worsen slowly with time
0003677
Showing of 7 |
Do you have more information about symptoms of this disease? We want to hear from you.
Last updated: 2/1/2021
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Research Research


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Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.

Clinical Research Resources

  • The Rare Lung Diseases Consortium: Molecular Pathway-Driven Diagnostics and Therapeutics for Rare Lung Diseases is an integrated group of academic medical centers, patient support organizations, and clinical research resources dedicated to conducting clinical research involving pulmonary alveolar proteinosis, Hermansky-Pudlak Syndrome, and Lymphangioleiomyomatosis. A pilot project program supports research into other rare lung diseases that complement the main research projects.

Learn More Learn More


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These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.

Where to Start

  • Genetics Home Reference (GHR) contains information on Pulmonary alveolar microlithiasis. This website is maintained by the National Library of Medicine.

In-Depth Information

  • The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
  • Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Pulmonary alveolar microlithiasis. Click on the link to view a sample search on this topic.

News & Events News & Events


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News

  • Rare Disease Day at NIH 2021
    March 1, 2021

GARD Answers GARD Answers


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Questions sent to GARD may be posted here if the information could be helpful to others. We remove all identifying information when posting a question to protect your privacy. If you do not want your question posted, please let us know.

Have a question? Contact a GARD Information Specialist.

References References


  1. Pulmonary alveolar microlithiasis. Genetics Home Reference. December 2014; http://ghr.nlm.nih.gov/condition/pulmonary-alveolar-microlithiasis#glossary. Accessed 6/19/2015.
  2. Francisco, Flavia Angelica Ferreira, et al.. Pulmonary alveolar microlithiasis. State-of-the-art review.. Respir Med. Jan 2013; 107(1)::1-9. http://www.ncbi.nlm.nih.gov/pubmed/23183116. Accessed 6/19/2015.
  3. Al-Sardar, Hussain et al.. Pulmonary alveolar microlithiasis: report of two brothers with the same illness and review of literature. BMJ Case Rep.. Mar 31, 2014; http://www.ncbi.nlm.nih.gov/pubmed/?term=24686795. Accessed 6/19/2015.
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