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Bannayan-Zonana syndrome (Bannayan-Riley-Ruvalcaba syndrome) is a rare hamartomatous disorder with occurrence of multiple subcutaneous lipomas, macrocephaly and hemangiomas. The disease is inherited in an autosomal dominant form, but sporadic cases have been reported. The disease belongs to a family of hamartomatous polyposis syndromes, which also includes Peutz-Jeghers syndrome, juvenile polyposis and Cowden syndrome.
Additional recommended knowledge
Most lesions of BZS are slowly growing and easily resectable. Visceral as well as intracranial involvement may occur in rare cases, and can cause bleeding and symptomatic mechanical compression, especially of the spinal cord or spinal nerve roots. This may require surgical resection.
The macroencephaly of BZS is symmetrical, and does not cause widening of the ventricles or raised ICP (intracerebral pressure).
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Bannayan-Zonana_syndrome". A list of authors is available in Wikipedia.|