- This article covers Dysplasia, a pre-cancerous change in cellular structures. For details on Hip dysplasia, a clinical condition affecting the hip joint (especially in dogs), please see the article on Hip dysplasia.
Dysplasia (latin for 'bad form') is an abnormality in the appearance of cells indicative of an early step towards transformation into a neoplasia. It is therefore a pre-neoplastic or pre-cancerous change. This abnormal growth is restricted to the epithelial layer, not invading into the deeper tissue. Though dysplasia may regress spontaneously, persistent lesions must be removed, either with surgery, chemical burning, heat burning, burning with laser, or freezing (cryotherapy).
The best known form of dysplasia is the precursor lesions to cervical cancer, called cervical intraepithelial neoplasia (CIN). This lesion is sometimes caused by an infection with the human papilloma virus (HPV). Dysplasia of the cervix is almost always unsuspected by the woman. It is usually discovered by a screening test, the pap smear. The purpose of this test is to diagnose the disease early, while it is still in the dysplasia phase and easy to cure.
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Rare Disorders :: Conditions and Diseases
National Institutes of Health (NIH) News ReleasesNHGRI Seeks DNA Sequencing Technologies Fit for Routine Laboratory and Medical Use Wed, 20 Aug 2008 11:45:00 -0400
The National Human Genome Research Institute (NHGRI), part of the National Institutes of Health (NIH), today awarded more than $20 million in grants to develop innovative sequencing technologies inexpensive and efficient enough to sequence a person's DNA as a routine part of biomedical research and health care.
Bacterial Pneumonia Caused Most Deaths in 1918 Influenza Pandemic Tue, 19 Aug 2008 09:00:00 -0400
The majority of deaths during the influenza pandemic of 1918-1919 were not caused by the influenza virus acting alone, report researchers from the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health. Instead, most victims succumbed to bacterial pneumonia following influenza virus infection. The pneumonia was caused when bacteria that normally inhabit the nose and throat invaded the lungs along a pathway created when the virus destroyed the cells that line the bronchial tubes and lungs.
Largest Study of Its Kind Implicates Gene Abnormalities in Bipolar Disorder Mon, 18 Aug 2008 14:25:00 -0400
The largest genetic analysis of its kind to date for bipolar disorder has implicated machinery involved in the balance of sodium and calcium in brain cells. Researchers supported in part by the National Institute of Mental Health, part of the National Institutes of Health, found an association between the disorder and variation in two genes that make components of channels that manage the flow of the elements into and out of cells, including neurons.
CNN.com - HealthIs your kid really gifted? Probably not Wed, 27 Aug 2008 16:58:38 -0400
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Doctor dives in to repair Torres' shoulder Wed, 27 Aug 2008 16:58:51 -0400
A nagging injury almost kept 41-year-old Dara Torres from competing in her fifth Olympics in Beijing, China. Instead she swam through the pain to capture three silver medals.
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National Library of Medicine: CNFS - Offers synonyms of craniofrontonasal syndrome, a summary and a list of features.
NORD: Craniofrontonasal Dysplasia - Offers a general discussion and resources.
Meta Description: [ National Organization for Rare Disorders is dedicated to helping people with rare, orphan diseases. Rarediseases.org contains information on the prevention, treatment and cure of rare diseases. ]
OMIM: National Center for Biotechnology Information - A clinical synopsis of Craniofrontonasal Dysplasia.