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2 or More Pneumonias Per Year May Indicate Genetic Immune Deficiency

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Chronic granulomatous disease (CGD) is a genetic disorder of the immune system. It is most commonly diagnosed in young children, but can appear at any age. Most patients have severe recurrent infections because some of the white blood cells, called phagocytes, are unable to respond properly to pathogenic bacteria and fungi. Warning signs include multiple infections of the ear or sinuses, two or more pneumonias within one year, poor response to antibiotics, deep-seated infections such as meningitis or sepsis, and failure of an infant to grow normally. There is a simple blood test for diagnosis.

CGD affects different patients in very different ways. It can mimic other disorders, and it ranges from very mild to life threatening. Treatment options include long-term prophylactic antibiotics, stem cell transplantation and gene therapy. Balancing the risks and benefits of treatment is difficult because it is so hard to predict the course of the disease in individual patients.

A recent review article provides statistics on the different sites of disease in CGD, with the percentage of patients who experience episodes in these sites:

1. Lungs, 66 percent. Pneumonia is the most common manifestation of CGD in the lungs. It is sometimes confused with mycobacterial infection or sarcoidosis.
2. Skin, 53 percent. The symptoms are diverse, including skin abscesses caused by common bacteria.
3. Lymph node, 50 percent.
4. Gastrointestinal, 48 percent. Granulomas of the colon mimic Crohn's colitis; granulomas of the esophagus or stomach may cause obstruction. Other gastrointestinal symptoms include diarrhea, peri-anal abscess or fissure, gastroenteritis, stomatitis, aphthae, gingivitis and dental cavities, appendicitis and pancreatitis.
5. Liver, 32 percent. The most frequent symptom of liver involvement is abscess caused by Staphalococus aureus.
6. Kidneys and urinary tract, 22 percent. Infections are the most common urinary symptom, but granulomas can also cause hydronephrosis by obstructing the urinary tract, possibly leading to renal insufficiency.
7. Septicemia, 20 percent. A variety of bacteria can be the cause.
8. Ear, 14 percent. Otitis media (ear infection) may occur repeatedly.
9. Bone, 13 percent. The ribs, vertebrae, femur, talus, and tibia may be sites of osteomyelitis.
10. Eye, 11 percent. Conjunctivitis (pink eye) and blepharitis (infection of the eyelid at the base of the eyelashes) are the most common eye symptoms.
11. Joint, 7 percent. Septic arthritis affects the joints.
12. Brain, 7 percent. Brain abscesses are one of the most feared complications.
13. Autoimmunity or rheumatology, 6 percent.

The Chronic Granulomatous Disease Association is a non-profit organization devoted to helping patients and families. See references.


J Merlign van den Berg et al, “Chronic Granulomatous Disease: The European Experience”, PLoS ONE. April 2009; 4(4): e5234.

Chronic Granulomatous Disease Association:

Linda Fugate is a scientist and writer in Austin, Texas. She has a Ph.D. in Physics and an M.S. in Macromolecular Science and Engineering. Her background includes academic and industrial research in materials science. She currently writes song lyrics and health articles.

Add a Comment2 Comments

EmpowHER Guest

I am curious to know what you think about probiotics helping with immune function? I know they work great for so many things and we have tried to learn as much as possible on them since (chewable probiotics) for kids have dramatically helped our son's Eczema and food allergies/intolerance. They have been amazing and our whole family loves them now. What do you think about them?

(Comment edited by EmpowHER moderator to remove product brand name.)

March 15, 2010 - 8:00am
EmpowHER Guest

Not only is CGD a rare disease, affecting about on in a million, but most of the patients with this disease are males (due to an x-linked form) making female CGDers very rare indeed.

March 12, 2010 - 7:26am
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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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