Regional Proteus syndrome and somatic mosaicism. 1994

E Smeets, and J P Fryns, and M M Cohen
Centre for Human Genetics, University of Leuven, Belgium.

We report on a patient with regional manifestations of Proteus syndrome. Major findings included multiple hyperostoses of the calvaria, facial bones, and mandible. Additionally, the patient had a scleral tumor. This lends further support to the hypothesis of somatic mosaicism as a cause of Proteus syndrome. Because mosaic distribution of lesions is variable in extent, criteria for the diagnosis of Proteus syndrome should be loose rather than overly rigid even though patients with limited regional involvement may be particularly difficult to diagnose.

UI MeSH Term Description Entries
D008297 Male Males
D008334 Mandible The largest and strongest bone of the FACE constituting the lower jaw. It supports the lower teeth. Mylohyoid Groove,Mylohyoid Ridge,Groove, Mylohyoid,Grooves, Mylohyoid,Mandibles,Mylohyoid Grooves,Mylohyoid Ridges,Ridge, Mylohyoid,Ridges, Mylohyoid
D009030 Mosaicism The occurrence in an individual of two or more cell populations of different chromosomal constitutions, derived from a single ZYGOTE, as opposed to CHIMERISM in which the different cell populations are derived from more than one zygote.
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D004424 Ear Canal The narrow passage way that conducts the sound collected by the EAR AURICLE to the TYMPANIC MEMBRANE. Auditory Canal, External,External Acoustic Canal,External Acoustic Meatus,External Auditory Canal,External Ear Canal,Acoustic Canal, External,Acoustic Canals, External,Acoustic Meatus, External,Auditory Canals, External,Canal, Ear,Canal, External Ear,Canals, Ear,Canals, External Ear,Ear Canal, External,Ear Canals,Ear Canals, External,External Acoustic Canals,External Auditory Canals,External Ear Canals
D005096 Exostoses Benign hypertrophy that projects outward from the surface of bone, often containing a cartilaginous component. Exostosis
D005134 Eye Neoplasms Tumors or cancer of the EYE. Cancer of Eye,Eye Cancer,Cancer of the Eye,Neoplasms, Eye,Cancer, Eye,Cancers, Eye,Eye Cancers,Eye Neoplasm,Neoplasm, Eye
D005146 Facial Asymmetry Congenital or acquired asymmetry of the face. Asymmetries, Facial,Asymmetry, Facial,Facial Asymmetries
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012590 Sclera The white, opaque, fibrous, outer tunic of the eyeball, covering it entirely excepting the segment covered anteriorly by the cornea. It is essentially avascular but contains apertures for vessels, lymphatics, and nerves. It receives the tendons of insertion of the extraocular muscles and at the corneoscleral junction contains the CANAL OF SCHLEMM. (From Cline et al., Dictionary of Visual Science, 4th ed) Scleral Spur,Scleral Spurs,Scleras

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