SMITH MAGENIS SYNDROME: CASE REPORT IN THE MUNICIPALITY OF ITAPERUNA - RJ

Authors

  • Thiago Marcos Teixeira Brum Universidade Iguaçu
  • Juliana Ferreira da Silva

DOI:

https://doi.org/10.36557/2674-8169.2025v7n7p463-480

Keywords:

Smith-Magenis; rare syndrome; case study.

Abstract

Smith-Magenis syndrome presents as a neurobehavioral disorder, whose etiology lies in the haploinsufficiency of the RAI1 gene due to a genetic mutation or deletion of chromosome 17p11.2. CASE REPORT: This is the case of a patient from the municipality of Itaperuna who has the syndrome in question and whose diagnosis occurred at the age of 1 year and 10 months through the FISH cytogenetic test. DISCUSSION: It is a rare syndrome with a significant social and health impact on both the affected individual and their surrounding family. Among the behavioral manifestations observed in the studied patient, there is marked hyperreactivity associated with attention deficit, reluctance toward adaptive behaviors, and self-injurious behavior characterized as onychotillomania, in which the child frequently pulls out her toenails until they bleed and breaks her own teeth. This is related to alterations in nociceptive mechanisms, resulting in a decreased perception of pain. Furthermore, another significant clinical manifestation is the sleep disorder, with circadian cycle inversion and altered melatonin release mechanism via the pineal gland. As such, it is noteworthy that even with the daily use of sleep-inducing medications, the patient only sleeps an average of three hours per night. Lastly, the patient's mother reports experiencing social discrimination regarding her daughter and complains about the lack of preparedness of the public educational institution in addressing the child’s specific needs within the school environment. FINAL CONSIDERATION: This work aims to enrich the understanding of the syndrome through an integrated approach that values not only the clinical aspects but also the unique perspective provided by the family's lived experience. In doing so, it seeks to disseminate information and foster discussions on the subject, contributing positively to society, considering that this is a condition rarely discussed in social and health spheres, where there is a lack of public health actions and services specifically geared toward individuals with this syndrome.

 

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References

BOGOSSIAN, M. A. D. S.; SANTOS, M. J. Manual do examinador: teste Illinois de habilidades psicolinguísticas. Rio de Janeiro: EMPSI, 1977.

BRONBERG, D. R.; ZIEMBAR, M.; DRUT, M.; GOLDSCHMIDT, E. Síndrome de Smith-Magenis: comunicación de un caso y revisión de la bibliografía. Archivos Argentinos de Pediatría, v. 106, p. 143–146, 2008.

DI CICCO, M. et al. Otorhinolaringologic manifestations of Smith-Magenis syndrome. International Journal of Pediatric Otorhinolaryngology, v. 59, n. 2, p. 147–150, 2001.

DUNN, L. M. et al. Test de vocabulario en imágenes Peabody: adaptación hispanoamericana. Circle Pines: Dunn Educational Services, 1986.

ELSEA, S. H.; GIRIRAJAN, S. Smith-Magenis syndrome. European Journal of Human Genetics, London, v. 16, p. 412–421, 2008.

GROPMAN, A. L.; DUNCAN, W. C.; SMITH, A. C. M. Neurologic and developmental features of the Smith-Magenis syndrome (del 17p11.2). Pediatric Neurology, Philadelphia, v. 34, n. 5, p. 337–350, 2006.

GROPMAN, A. L. et al. New developments in Smith-Magenis syndrome (del17p11.2). Current Opinion in Neurology, Philadelphia, v. 20, n. 2, p. 125–134, 2007.

LLERENA, J. R.; ALMEIDA, J. C. C. Cytogenetic and molecular contributions to the study of mental retardation. Genetics and Molecular Biology, v. 21, n. 2, p. 273–279, 1998.

MARTIN, S. C.; WOLTERS, P. L.; SMITH, A. C. M. Adaptive and maladaptive behavior in children with Smith-Magenis syndrome. Journal of Autism and Developmental Disorders, New York, v. 36, n. 4, p. 541–552, 2006.

SMITH, A. C. M. et al. Growth assessment of Smith–Magenis syndrome. In: ANNUAL MEETING OF THE AMERICAN SOCIETY OF HUMAN GENETICS, 54., 2004, Toronto. Anais [...]. Toronto, 2004. p. 145.

SMITH, A. C. M. et al. Circadian melatonin rhythm abnormalities in Smith-Magenis syndrome. American Journal of Medical Genetics, [S.l.], v. 133, n. 3, p. 261–267, 2005.

VLANGOS, C. N. et al. Diagnostic FISH probes for del 17(p11.2p11.2) associated with Smith-Magenis syndrome should contain the RAI1 gene. American Journal of Medical Genetics Part A, Hoboken, v. 132A, n. 3, p. 278–282, 2005.

WECHSLER, D. Wechsler abbreviated scale of intelligence manual. San Antonio: Psychological Corporation, 1999.

WERTZNER, H. F. Fonologia. In: ANDRADE, C. R.; BEFI-LOPES, D. M.; FERNANDES, F. D. M.; WERTZNER, H. F. ABFW: teste de linguagem infantil nas áreas de fonologia, vocabulário, fluência e pragmática. 2. ed. Barueri: Pró-Fono, 2004. p. 5–32.

Published

2025-07-08

How to Cite

Brum, T. M. T., & Ferreira da Silva, J. (2025). SMITH MAGENIS SYNDROME: CASE REPORT IN THE MUNICIPALITY OF ITAPERUNA - RJ. Brazilian Journal of Implantology and Health Sciences, 7(7), 463–480. https://doi.org/10.36557/2674-8169.2025v7n7p463-480