Dense Deposit Disease

National Organization for Rare Disorders, Inc.

Important
It is possible that the main title of the report Dense Deposit Disease is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.

Synonyms

  • MPGN type II
  • DDD
  • membranoproliferative glomerulonephritis type II
  • mesangial proliferative glomerulonephritis
  • mesangial capillary glomerulonephritis

Disorder Subdivisions

  • None

General Discussion

Dense deposit disease (DDD) is a rare kidney disease that stops the kidneys from correctly filtering waste from the blood. The name is descriptive of the electron-dense changes that transform the middle layer (lamina densa) of the glomerular basement membrane (GBM) in a segmental, discontinuous or diffuse pattern. The glomeruli are the filtering units of the kidney. Blood flows through very small capillaries in each glomerulus where it is filtered through the GBM to form urine. When DDD is present, deposits in the GBM lead to disruption of kidney function. Because damage to glomeruli is progressive, about half of all persons with DDD experience kidney failure after living with their disease for 10 years. The development of kidney failure means that dialysis or transplantation must be started.

In addition to dense deposits in the GBM, persons with DDD can develop deposits in their eyes along an interface called the choriocapillaris-Bruch's membrane-retinal pigment epithelium. This region is very similar to the capillary-GBM interface in the kidney. The eye deposits are called drusen.

Resources

National Kidney Foundation
30 East 33rd Street
New York, NY 10016
Tel: (212)889-2210
Fax: (212)689-9261
Tel: (800)622-9010
Email: info@kidney.org
Internet: http://www.kidney.org

Kidneeds
The Greater Cedar Rapids Community Foundation
324 3rd St. SE
Cedar Rapids, IA 52401
Email: kidneedsMPGN@yahoo.com
Internet: http://www.healthcare.uiowa.edu/kidneeds/index.htm

Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
Tel: (301)251-4925
Fax: (301)251-4911
Tel: (888)205-2311
TDD: (888)205-3223
Internet: http://rarediseases.info.nih.gov/GARD/

For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders (NORD). A copy of the complete report can be downloaded free from the NORD website for registered users. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational therapies (if available), and references from medical literature. For a full-text version of this topic, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".

The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only. NORD recommends that affected individuals seek the advice or counsel of their own personal physicians.

It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report

This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.

For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email orphan@rarediseases.org

Last Updated:  2/7/2013
Copyright  2005, 2010, 2013 National Organization for Rare Disorders, Inc.

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