Porencephaly-cerebellar hypoplasia-internal malformations syndrome explained

Synonyms:Bonnemann Meinecke syndrome[1]
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Porencephaly-cerebellar hypoplasia-internal malformations syndrome is a rare autosomal recessive syndrome that mainly affects the central nervous system.[2] It causes cardiac defects, brain anomalies, and craniofacial dysmorphisms.[3] [4] It has been reported in a pair of German siblings of the opposite sex born to consanguineous Turkish parents.[5]

Discovery

This condition was first discovered in 1996 by Bonnemann and Meinecke, their patients were a pair of infant siblings of the opposite sex (brother and sister) who had multiple congenital anomalies, all of which were internal.[6]

The siblings' parents were first-degree cousins of Turkish ancestry.

The both of them exhibited bilateral porencephaly, an underdeveloped cerebellum, an absent vermis, an absent septum pellucidum, and generalized internal malformations, most of which were unique to one another;

The brother was noted to have situs inversus totalis (a condition in which most to all organs of the body are facing the opposite way they would normally be facing) and tetralogy of Fallot (type of congenital cardiac defect).

The sister was noted to have an atrial septal defect (type of congenital cardiac defect).

They had cranio-facial dysmorphisms such as hypertelorism, epicanthic folds, prominence of the metopic suture, a high arched palate, and macrocephaly. Other features that were found in the siblings included epilepsy and corneal clouding.[7]

See also

Notes and References

  1. Web site: Porencephaly cerebellar hypoplasia internal malformations . 2022-09-25 . 2022-05-13 . https://web.archive.org/web/20220513141125/https://rarediseases.org/gard-rare-disease/porencephaly-cerebellar-hypoplasia-internal-malformations/ . live .
  2. Web site: RESERVED . INSERM US14-- ALL RIGHTS . Orphanet: Porencephaly cerebellar hypoplasia internal malformations syndrome . 2022-09-25 . www.orpha.net . en . 2022-09-25 . https://web.archive.org/web/20220925202923/https://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=2941 . live .
  3. Web site: Clinical Synopsis - 601322 - PORENCEPHALY, CEREBELLAR HYPOPLASIA, AND INTERNAL MALFORMATIONS - OMIM . 2022-09-25 . omim.org . 2022-09-25 . https://web.archive.org/web/20220925202921/https://omim.org/clinicalSynopsis/601322 . live .
  4. Web site: Porencephaly-cerebellar hypoplasia-internal malformations syndrome (Concept Id: C1832472) - MedGen - NCBI . 2022-09-25 . www.ncbi.nlm.nih.gov . en . 2022-09-25 . https://web.archive.org/web/20220925202923/https://www.ncbi.nlm.nih.gov/medgen/331296 . live .
  5. Web site: Entry - 601322 - PORENCEPHALY, CEREBELLAR HYPOPLASIA, AND INTERNAL MALFORMATIONS - OMIM . 2022-09-25 . omim.org . 2022-09-25 . https://web.archive.org/web/20220925202922/https://omim.org/entry/601322#1 . live .
  6. Bönnemann . C. G. . Meinecke . P. . 1996-06-14 . Bilateral porencephaly, cerebellar hypoplasia, and internal malformations: two siblings representing a probably new autosomal recessive entity . American Journal of Medical Genetics . 63 . 3 . 428–433 . 10.1002/(SICI)1096-8628(19960614)63:3<428::AID-AJMG3>3.0.CO;2-N . 0148-7299 . 8737647 . 2022-09-25 . 2022-09-25 . https://web.archive.org/web/20220925202922/https://pubmed.ncbi.nlm.nih.gov/8737647/ . live .
  7. Web site: Porencephaly cerebellar hypoplasia internal malformations - About the Disease - Genetic and Rare Diseases Information Center . 2022-09-25 . rarediseases.info.nih.gov . en . 2021-07-27 . https://web.archive.org/web/20210727151351/https://rarediseases.info.nih.gov/diseases/4437/porencephaly-cerebellar-hypoplasia-internal-malformations . live .