Bannayan–Riley–Ruvalcaba syndrome
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Bannayan–Riley–Ruvalcaba syndrome
| Bannayan-Riley-Ruvalcaba syndrome | |
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| Classification and external resources | |
| OMIM | 153480 |
| DiseasesDB | 31337 |
| MeSH | D006223 |
Bannayan–Riley–Ruvalcaba syndrome (BRRS) is a rare hamartomatous disorder with occurrence of multiple subcutaneous lipomas, macrocephaly and hemangiomas.[1][2] 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. Mutation of the PTEN gene underlies this syndrome, as well as Cowden syndrome, Proteus syndrome, and Proteus-like syndrome. Collectively, these four syndromes are referred to as PTEN Hamartoma-Tumor Syndromes (PHTS).
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Contents
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Presentation
Most lesions 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 is symmetrical, and does not cause widening of the ventricles or raised ICP (intracerebral pressure).
Etymology
The syndrome combines Bannayan-Zonana syndrome, Riley-Smith syndrome, and Ruvalcaba-Myrhe-Smith syndrome.[3] Bannayan-Zonana syndrome is named for George A. Bannayan and Jonathan Zonana.[4][5][6] Riley-Smith syndrome was named for Harris D. Riley, Jr. and William R. Smith.[7] Ruvalcaba-Myrhe-Smith syndrome is named for S. Myhre, Rogelio H. A. Ruvalcaba and David Weyhe Smith.[8]
See also
References
- ^ Buisson P, Leclair MD, Jacquemont S, et al. (September 2006). "Cutaneous lipoma in children: 5 cases with Bannayan-Riley-Ruvalcaba syndrome". J. Pediatr. Surg. 41 (9): 1601–3. doi:10.1016/j.jpedsurg.2006.05.013. PMID 16952599.
- ^ Gujrati M, Thomas C, Zelby A, Jensen E, Lee JM (August 1998). "Bannayan-Zonana syndrome: a rare autosomal dominant syndrome with multiple lipomas and hemangiomas: a case report and review of literature". Surg Neurol 50 (2): 164–8. doi:10.1016/S0090-3019(98)00039-1. PMID 9701122. http://linkinghub.elsevier.com/retrieve/pii/S0090-3019(98)00039-1.
- ^ Hannigan, Steve; National Information Centre for Metabolic Diseases (2007). Inherited Metabolic Diseases: A Guide to 100 Conditions. Radcliffe Publishing. p. 101. ISBN 1-84619-099-1. http://books.google.com/books?id=lQvUH3ALdJcC&pg=PA101&dq=Ruvalcaba-Myhre-Smith+syndrome&client=firefox-a.
- ^ synd/1276 at Who Named It?
- ^ Bannayan GA (July 1971). "Lipomatosis, angiomatosis, and macrencephalia. A previously undescribed congenital syndrome". Arch Pathol 92 (1): 1–5. PMID 5091590.
- ^ Zonana J, Rimoin DL, Davis DC (October 1976). "Macrocephaly with multiple lipomas and hemangiomas". J. Pediatr. 89 (4): 600–3. doi:10.1016/S0022-3476(76)80397-6. PMID 957004.
- ^ synd/1731 at Who Named It?
- ^ synd/1275 at Who Named It?
External links
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