Case Report

Operative Management of OSAS in a Complex Case of Proteus Syndrome

Table 1

Revised Proteus syndrome diagnostic criteria [4].

General criteriaMosaic distribution
Progressive course
Sporadic occurrence

Specific criteriaSubgroup A
(1) Cerebriform connective tissue nevus
Subgroup B
(1) Linear epidermal nevus
(2) Asymmetric, disproportionate overgrowth of limbs, skull, external auditory canal, vertebrae, or viscera (spleen/thymus)
(3) Specific tumors before 2nd decade of life, as bilateral ovarian cystadenomas or monomorphic parotid adenomas
Subgroup C
(1) Dysregulation of adipose tissue: lipomas, regional lipohypoplasia
(2) Vascular malformations (capillary, venous, and/or lymphatic)
(3) Bullous pulmonary disease
(4) Facial phenotype with long face, dolichocephaly, downslanted palpebral fissures, low nasal bridge, wide or anteverted nares, and open mouth at rest

For the diagnosis of Proteus syndrome all general criteria and one feature of subgroup A or two features of subgroup B or three features of subgroup C must be satisfied.