Cerebriform plantar hyperplasia: The major cutaneous feature of Proteus syndrome

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Abstract

A 6-year-old girl was referred for clinical evaluation. Her phenotype was characterized by an asymmetric face, dysmorphic skull with frontal-parietal hyperostosis, hypertelorism, strabismus, long neck, and low-set antiverted ears (Fig. 1). Her thorax was also dysmorphic with dropped shoulders because of the abnormal orientation of the scapulae and scoliosis. Moreover, the following features were evident: multiple abdominal lipomatous formations, muscle hypotonia and hypotrophia, lower limb heterometria, severe limitation of spinal articulation movements, congenital papular-nodular nevus over the posterior axillary line, macrodactyly of the third and fourth right fingers, left hand smaller than the right, and thickening of the cutaneous tissues of the plantar surface of the foot with a gyrate and cerebriform aspect (Fig. 2). In addition, simple hypermetropic astigmatism of both eyes, exotropia and hypertrophy of the left eye, and dental caries were found. All routine blood examinations were within normal limits; electromyography disclosed a primary muscle disease. Thyroid ultrasound showed a dyshomogeneous structure with normal dimensions. Abdominal ultrasound showed a normal liver, gall bladder, and spleen; however, the pyelic cavities of the kidney were enlarged. Finally, molecular genetic analysis of the PTEN gene was negative. The clinical and instrumental features and the presence of significant cerebriform plantar hyperplasia allowed us to propose a diagnosis of Proteus syndrome.

Original languageEnglish
Pages (from-to)374-376
Number of pages3
JournalInternational Journal of Dermatology
Volume47
Issue number4
DOIs
Publication statusPublished - Apr 2008

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Proteus Syndrome
Hyperplasia
Hypertelorism
Hyperostosis
Exotropia
Scapula
Skin
Muscle Hypotonia
Astigmatism
Nevus
Strabismus
Dental Caries
Scoliosis
Electromyography
Skull
Hypertrophy
Fingers
Ear
Foot
Molecular Biology

ASJC Scopus subject areas

  • Dermatology

Cite this

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title = "Cerebriform plantar hyperplasia: The major cutaneous feature of Proteus syndrome",
abstract = "A 6-year-old girl was referred for clinical evaluation. Her phenotype was characterized by an asymmetric face, dysmorphic skull with frontal-parietal hyperostosis, hypertelorism, strabismus, long neck, and low-set antiverted ears (Fig. 1). Her thorax was also dysmorphic with dropped shoulders because of the abnormal orientation of the scapulae and scoliosis. Moreover, the following features were evident: multiple abdominal lipomatous formations, muscle hypotonia and hypotrophia, lower limb heterometria, severe limitation of spinal articulation movements, congenital papular-nodular nevus over the posterior axillary line, macrodactyly of the third and fourth right fingers, left hand smaller than the right, and thickening of the cutaneous tissues of the plantar surface of the foot with a gyrate and cerebriform aspect (Fig. 2). In addition, simple hypermetropic astigmatism of both eyes, exotropia and hypertrophy of the left eye, and dental caries were found. All routine blood examinations were within normal limits; electromyography disclosed a primary muscle disease. Thyroid ultrasound showed a dyshomogeneous structure with normal dimensions. Abdominal ultrasound showed a normal liver, gall bladder, and spleen; however, the pyelic cavities of the kidney were enlarged. Finally, molecular genetic analysis of the PTEN gene was negative. The clinical and instrumental features and the presence of significant cerebriform plantar hyperplasia allowed us to propose a diagnosis of Proteus syndrome.",
author = "Carmelo Schepis and Donatella Greco and Maddalena Siragusa and Corrado Romano",
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