Authors :
Hassnaa Sarhane; Kaoutar Bahida; Maha Lhaloui; Amina Lakhdar; Najia Zraidi; Aziz Baydada; Nada Douraidi
Volume/Issue :
Volume 10 - 2025, Issue 6 - June
Google Scholar :
https://tinyurl.com/wf5v5u7r
DOI :
https://doi.org/10.38124/ijisrt/25jun1202
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Abstract :
Meckel-Gruber Syndrome (MKS) is a rare, lethal, congenital disorder, it’s been linked to chromosome 17,
characterized by a triad of occipital encephalocele, polycystic kidneys, and postaxial polydactyly, often accompanied by
other anomalies such as a nervous system malformations and hepatic fibrosis. MKS can affect individuals of all races and
ethnicities.
We present a case of a 25-week fetus diagnosed prenatally with features consistent with MKS on routine ultrasound.
The diagnosis was confirmed postnatally with the presence of occipital encephalocele, bilateral enlarged echogenic kidneys,
and postaxial polydactyly. Genetic counseling was provided to the parents, and the pregnancy outcome, as well as the clinical
implications, are discussed. This case accentuates the importance of antenatal diagnosis, multidisciplinary management, and
genetic counseling in cases of suspected Meckel-Gruber Syndrome.
Keywords :
Multicystic Dysplastic Kidneys, Encephalocele, Polydactyly, Prenatal Ultrasound Diagnosis, Autosomal Recessive Disorder, Meckel-Gruber Syndrome.
References :
- Meckel JF. Beschreibung zweier, duch sehr änhliche Bil- dungsabweichungen entstellter Geschwister. Dtsch Arch Physiol., (1822); 7: PP. 99-172.
- Gruber G. Beitrage zur frage “gekoppelte r” Miszbildungen (Akrocephalo- syndactylie und dysencephalia splanchnocystica). Beitr Pathol Anat (1934) 93:459–76.
- Salonen R. The Meckel syndrome: Clinicopathological findings in 67 patients. Am J Med Genet. 1984;18(4):671–89.
- Paavola P, Salonen R, Baumer A, Schinzel A. Clinical and genetic heterogeneity in Meckel syndrome. Hum Genet. 1997;101(1):88–92.
- Shaheen R, Ansari S, Alshammari MJ, Alkuraya FS. Genetic heterogeneity of Meckel-Gruber syndrome. Hum Genet. 2013;132(9):1079–90.
- Hartill VL, Szymanska K, Sharif SM, Wheway G, Johnson CA. Meckel–Gruber syndrome: An update on diagnosis, clinical management, and research advances. Front Pediatr. 2017; 5:244.
- Shiva S, Yadav R, Rajaram S, Kumari R. Antenatal diagnosis of Meckel–Gruber syndrome: A case report. J Clin Diagn Res. 2014;8(2):137–8.
- Lehman A, Eydoux P, Doherty D. Meckel-Gruber Syndrome. In: Adam MP, Mirzaa GM, Pagon RA, et al., editors. GeneReviews® [Internet]. Seattle (WA): University of Washington, Seattle; 1993–2023.
- Kyttälä M, Tallila J, Salonen R, et al. MKS1, encoding a component of the flagellar apparatus basal body, is mutated in Meckel syndrome. Nat Genet. 2006;38(2):155–7.
- Baala L et al. The Meckel-Gruber syndrome gene, MKS3, is mutated in Joubert syndrome. Am J Hum Genet. 2007;80(1):186–194.
- Logan CV, Abdel-Hamed Z, Johnson CA. Molecular genetics and pathogenic mechanisms for the severe ciliopathies: insights into embryonic development and potential therapeutic targets. Mol Syndromol. 2011;2(3–5):59–67.
- Hildebrandt F, Benzing T, Katsanis N. Ciliopathies. N Engl J Med. 2011;364(16):1533–1543.
- Badano JL, Mitsuma N, Beales PL, Katsanis N. The ciliopathies: an emerging class of human genetic disorders. Annu Rev Genomics Hum Genet. 2006; 7:125–148.
- Tongsong T, Wanapirak C, Sirichotiyakul S, et al . Prenatal sonographic features of Meckel-Gruber syndrome. J ClinUltrasound. 2002;30(5):293–8.
- Pober BR. Overview of epidemiology, genetics, and pathogenesis of Meckel syndrome. Am J Med Genet C Semin Med Genet. 2021;187(4):457–64.
- Hubbard AM et al. MRI of fetal CNS abnormalities. AJR Am J Roentgenol. 1997;169(6):1637–1642.
- Sepulveda W et al. Fetal endoscopy in the diagnosis of congenital malformations. Prenat Diagn. 1997;17(13):1237–1243.
- Reish O, Aspit L, Simanovsky N, et al. Prenatal diagnosis of Meckel syndrome in Jewish and Bedouin populations in Israel. Prenat Diagn. 2003;23(6):481–486.
- Sempere A, Faivre L, Lapierre JM, et al. Genetic counseling in Meckel-Gruber syndrome. PrenatDiagn. 2008;28(10):844–850.
- Verloes A. Genetic counseling in Meckel-Gruber syndrome: review and perspectives. Clin Genet. 1991;39(1):1–7.
- Barisic I et al. Meckel syndrome: a population-based study of prevalence and prenatal diagnosis. Prenat Diagn. 2000;20(9):731–736.
- Carey JC. Trisomy 13 and trisomy 18 syndromes. In: Management of Genetic Syndromes. Wiley-Blackwell; 2010.
- Joubert Syndrome and Related Disorders: Clinical Overview. GeneReviews® [Internet].
- Parisi MA. Clinical and molecular features of Joubert syndrome and related disorders. Am J Med Genet C Semin Med Genet. 2009;151C (4):326–340.
Meckel-Gruber Syndrome (MKS) is a rare, lethal, congenital disorder, it’s been linked to chromosome 17,
characterized by a triad of occipital encephalocele, polycystic kidneys, and postaxial polydactyly, often accompanied by
other anomalies such as a nervous system malformations and hepatic fibrosis. MKS can affect individuals of all races and
ethnicities.
We present a case of a 25-week fetus diagnosed prenatally with features consistent with MKS on routine ultrasound.
The diagnosis was confirmed postnatally with the presence of occipital encephalocele, bilateral enlarged echogenic kidneys,
and postaxial polydactyly. Genetic counseling was provided to the parents, and the pregnancy outcome, as well as the clinical
implications, are discussed. This case accentuates the importance of antenatal diagnosis, multidisciplinary management, and
genetic counseling in cases of suspected Meckel-Gruber Syndrome.
Keywords :
Multicystic Dysplastic Kidneys, Encephalocele, Polydactyly, Prenatal Ultrasound Diagnosis, Autosomal Recessive Disorder, Meckel-Gruber Syndrome.