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Research Letter |

Peripapillary Chorioretinal Lacunae in a Girl With 3q21.3 to 3q22.1 Microdeletion With Features of Aicardi Syndrome FREE

Eileen Broomall, MD1; Deborah Renaud, MD1,2,3; Rafif Ghadban, MD2; Ralitza Gavrilova, MD1,3; Michael C. Brodsky, MD1,2
[+] Author Affiliations
1Department of Neurology, Mayo Clinic, Rochester, Minnesota
2Department of Ophthalmology, Mayo Clinic, Rochester, Minnesota
3Department of Medical Genetics, Mayo Clinic, Rochester, Minnesota
JAMA Ophthalmol. 2013;131(11):1485-1487. doi:10.1001/jamaophthalmol.2013.4830.
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Published online

Aicardi syndrome is characterized by the classic triad of agenesis of the corpus callosum, seizures, and peripapillary chorioretinal lacunae.1 This disorder occurs exclusively in girls and XXY boys and is presumed to be inherited in an X-linked dominant pattern, although the causative genes involved have not been identified. We examined a girl with a microdeletion on chromosome 3 who was found to have bilateral peripapillary chorioretinal lacunae with other features of Aicardi syndrome.

A girl was born at 32 weeks’ gestation to a mother with preeclampsia via induced vaginal delivery. At birth, she was noted to have preaxial polydactyly involving her left hand as well as an atrial-septal defect with mild pulmonary valvular stenosis. At age 18 months, she was evaluated for speech and motor delay and staring spells. Examination disclosed a broad flat nasal bridge, epicanthal folds, broad and wide mouth, retromicrognathia, and truncal hypotonia. A chromosomal microarray study revealed a 6-megabase deletion of chromosome 3, spanning from 3q21.3 to 3q22.1.

Ophthalmologic examination showed normal optokinetic responses and reactive pupils with no relative afferent pupillary defect. She had no strabismus, nystagmus, anterior segment anomalies, or refractive error. Retinal examination showed bilateral peripapillary chorioretinal lacunae. In the right eye, a normal right optic disc was abutted by a cluster of poorly circumscribed chorioretinal lacunae with hyperpigmented borders superotemporally (Figure 1). In the left eye, a dysplastic optic disc was encircled by a cluster of well-circumscribed depigmented chorioretinal lacunae with variably dense fine pigmentation around the borders (Figure 1). The midperipheral retinas showed multiple additional streaky areas of focal retinal pigment epithelial depigmentation (Figure 1). Magnetic resonance imaging showed thinning of the corpus callosum, mildly decreased white matter volume with dilation of the posterior aspect of the left lateral ventricle, mild cortical thickening with abnormal deep sulcation involving the right parasagittal lobe, and a cavum septum pellucidum (Figure 2).

Place holder to copy figure label and caption
Figure 1.
Retinal Photographs

High-magnification photographs showing bilateral peripapillary chorioretinal lacunae in the right (A) and left (B) eyes and low-magnification photographs showing multiple midperipheral oblong depigmented areas in the right (C) and left (D) eyes.

Graphic Jump Location
Place holder to copy figure label and caption
Figure 2.
Magnetic Resonance Images

A, T1-weighted sagittal magnetic resonance image demonstrating minimal hypoplasia of the corpus callosum (arrow). B, T2-weighted axial magnetic resonance image demonstrating cortical migration anomaly involving the parasagittal right parietal lobe with thickened gyrus (small arrow) abutting the lateral ventricle. There is also bilateral white matter hypoplasia with dilation of the posterior horn of the left lateral ventricle (large arrow) and a cavum septum pellucidum (asterisk).

Graphic Jump Location

In 1946, Krause2 first described the ocular findings of Aicardi syndrome in an infant girl with seizures, developmental delay, and gray-white plaques in the retina bilaterally. In 1965, Aicardi et al3 documented the classic findings of this syndrome in a series of girls with infantile spasms, absence of the corpus callosum on pneumoencephalogram, and abnormal eye findings (microphthalmia, coloboma, and atrophic choroiditis). The latter finding corresponds to chorioretinal lacunae, which consist of well-circumscribed, full-thickness defects limited to the retinal pigment epithelium and choroid, with an intact overlying retina that may appear histologically abnormal.1 Subsequent reports documented multiple structural central nervous system abnormalities in Aicardi syndrome including cortical migration anomalies (eg, pachygyria, cortical heterotopia, and polymicrogyria), cysts around the third cerebral ventricle, cerebral hemispheric asymmetry, Dandy-Walker variant, colpocephaly, choroid plexus papillomas, and enlargement of the tectum.4,5 Aicardi syndrome may also be associated with systemic anomalies such as vertebral malformations (eg, fused vertebrae, scoliosis, spina bifida), costal malformations (eg, absent ribs, fused or bifurcated ribs), muscular hypotonia, microcephaly, dysmorphic facies, auricular anomalies, and gastrointestinal tract dysfunction. A constellation of facial anomalies (prominent premaxilla, upturned nasal tip, decreased angle of the nasal bridge, and sparse lateral eyebrows) has also been described in Aicardi syndrome.6

According to the revised diagnostic criteria,6,7 patients can be diagnosed as having Aicardi syndrome when they have 2 of the classic features with 2 other associated findings. Our patient had some clinical features (muscular hypotonia) and neuroimaging features (abnormal corpus callosum, neuronal migration abnormalities) of Aicardi syndrome, but they were not enough to be diagnostic and her facial features did not correspond to those of Aicardi syndrome. Although virtually pathognomonic for Aicardi syndrome,1 peripapillary chorioretinal lacunae in girls are seen rarely in other conditions including autosomal dominant microcephaly with lacunar retinal hypopigmentations,8 amniotic band syndrome,9 oral-facial-digital syndrome,10 and oculoauricular syndrome.11

It is hypothesized that Aicardi syndrome arises from a de novo mutation of a gene on the X chromosome.4 However, 2 similar cases have been described in patients with a translocation of chromosome 3.12,13 Our patient with peripapillary chorioretinal lacunae had a deletion on chromosome 3 that comprised more than 66 genes, none of which have been associated with chorioretinal lacunae. She also had several features of Aicardi syndrome, although she did not meet the current diagnostic criteria. Because our patient was found to have an interstitial chromosomal microdeletion, we recommend that chromosomal microarray testing be performed in girls with chorioretinal lacunae when the neurological and systemic features do not fully correspond to those of Aicardi syndrome.

Corresponding Author: Michael C. Brodsky, MD, Mayo Clinic, 200 First St SW, Rochester, MN 55905 (brodsky.michael@mayo.edu).

Published Online: September 19, 2013. doi:10.1001/jamaophthalmol.2013.4830.

Author Contributions: Dr Brodsky had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.

Study concept and design: Broomall, Renaud, Ghadban, Brodsky.

Acquisition of data: Broomall, Ghadban, Gavrilova, Brodsky.

Analysis and interpretation of data: All authors.

Drafting of the manuscript: Broomall, Renaud, Ghadban, Gavrilova.

Critical revision of the manuscript for important intellectual content: Renaud, Ghadban, Gavrilova, Brodsky.

Administrative, technical, or material support: Ghadban.

Study supervision: Renaud, Gavrilova, Brodsky.

Conflict of Interest Disclosures: None reported.

Funding/Support: This work was supported in part by a grant from Research to Prevent Blindness, Inc and by the Mayo Foundation.

Role of the Sponsors: The funding agencies had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; or preparation, review, or approval of the manuscript.

Carney  SH, Brodsky  MC, Good  WV, Glasier  CM, Greibel  ML, Cunniff  C.  Aicardi syndrome: more than meets the eye. Surv Ophthalmol. 1993;37(6):419-424.
PubMed   |  Link to Article
Krause  AC.  Congenital encephalo-ophthalmic dysplasia. Arch Ophthal. 1946;36(4):387-44.
PubMed   |  Link to Article
Aicardi  J, Lefebvre  J, Lerique-Koechlin  A.  A new syndrome: spasm in flexion, callosal agenesis, ocular abnormalities. Electroencephalogr Clin Neurophysiol. 1965;19:609-610.
Aicardi  J.  Aicardi syndrome. Brain Dev. 2005;27(3):164-171.
PubMed   |  Link to Article
Hopkins  B, Sutton  VR, Lewis  RA, Van den Veyver  I, Clark  G.  Neuroimaging aspects of Aicardi syndrome. Am J Med Genet A. 2008;146A(22):2871-2878.
PubMed   |  Link to Article
Sutton  VR, Hopkins  BJ, Eble  TN, Gambhir  N, Lewis  RA, Van den Veyver  IB.  Facial and physical features of Aicardi syndrome: infants to teenagers. Am J Med Genet A. 2005;138A(3):254-258.
PubMed   |  Link to Article
Aicardi  J.  Aicardi syndrome: old and new findings. Int Pediatr. 1999;14:5-8.
Warburg  M, Heuer  HE. Autosomal dominant microcephaly with lacunar retinal hypopigmentations. In: Henkind  P, ed. Acta XXIV: International Congress of Ophthalmology. Philadelphia, PA: Lippincott; 1983.
Hashemi  K, Traboulsi  EI, Chavis  R, Scribanu  N, Chrousos  GA.  Chorioretinal lacuna in the amniotic band syndrome. J Pediatr Ophthalmol Strabismus. 1991;28(4):238-239.
PubMed
Nevin  NC, Silvestri  J, Kernohan  DC, Hutchinson  WM.  Oral-facial-digital syndrome with retinal abnormalities: OFDS type IX: a further case report. Am J Med Genet. 1994;51(3):228-231.
PubMed   |  Link to Article
Schorderet  DF, Nichini  O, Boisset  G,  et al.  Mutation in the human homeobox gene NKX5-3 causes an oculo-auricular syndrome. Am J Hum Genet. 2008;82(5):1178-1184.
PubMed   |  Link to Article
Ropers  HH, Zuffardi  O, Bianchi  E, Tiepolo  L.  Agenesis of corpus callosum, ocular, and skeletal anomalies (X-linked dominant Aicardi’s syndrome) in a girl with balanced X/3 translocation. Hum Genet. 1982;61(4):364-368.
PubMed   |  Link to Article
Donnenfeld  AE, Packer  RJ, Zackai  EH, Chee  CM, Sellinger  B, Emanuel  BS.  Clinical, cytogenetic, and pedigree findings in 18 cases of Aicardi syndrome. Am J Med Genet. 1989;32(4):461-467.
PubMed   |  Link to Article

Figures

Place holder to copy figure label and caption
Figure 1.
Retinal Photographs

High-magnification photographs showing bilateral peripapillary chorioretinal lacunae in the right (A) and left (B) eyes and low-magnification photographs showing multiple midperipheral oblong depigmented areas in the right (C) and left (D) eyes.

Graphic Jump Location
Place holder to copy figure label and caption
Figure 2.
Magnetic Resonance Images

A, T1-weighted sagittal magnetic resonance image demonstrating minimal hypoplasia of the corpus callosum (arrow). B, T2-weighted axial magnetic resonance image demonstrating cortical migration anomaly involving the parasagittal right parietal lobe with thickened gyrus (small arrow) abutting the lateral ventricle. There is also bilateral white matter hypoplasia with dilation of the posterior horn of the left lateral ventricle (large arrow) and a cavum septum pellucidum (asterisk).

Graphic Jump Location

Tables

References

Carney  SH, Brodsky  MC, Good  WV, Glasier  CM, Greibel  ML, Cunniff  C.  Aicardi syndrome: more than meets the eye. Surv Ophthalmol. 1993;37(6):419-424.
PubMed   |  Link to Article
Krause  AC.  Congenital encephalo-ophthalmic dysplasia. Arch Ophthal. 1946;36(4):387-44.
PubMed   |  Link to Article
Aicardi  J, Lefebvre  J, Lerique-Koechlin  A.  A new syndrome: spasm in flexion, callosal agenesis, ocular abnormalities. Electroencephalogr Clin Neurophysiol. 1965;19:609-610.
Aicardi  J.  Aicardi syndrome. Brain Dev. 2005;27(3):164-171.
PubMed   |  Link to Article
Hopkins  B, Sutton  VR, Lewis  RA, Van den Veyver  I, Clark  G.  Neuroimaging aspects of Aicardi syndrome. Am J Med Genet A. 2008;146A(22):2871-2878.
PubMed   |  Link to Article
Sutton  VR, Hopkins  BJ, Eble  TN, Gambhir  N, Lewis  RA, Van den Veyver  IB.  Facial and physical features of Aicardi syndrome: infants to teenagers. Am J Med Genet A. 2005;138A(3):254-258.
PubMed   |  Link to Article
Aicardi  J.  Aicardi syndrome: old and new findings. Int Pediatr. 1999;14:5-8.
Warburg  M, Heuer  HE. Autosomal dominant microcephaly with lacunar retinal hypopigmentations. In: Henkind  P, ed. Acta XXIV: International Congress of Ophthalmology. Philadelphia, PA: Lippincott; 1983.
Hashemi  K, Traboulsi  EI, Chavis  R, Scribanu  N, Chrousos  GA.  Chorioretinal lacuna in the amniotic band syndrome. J Pediatr Ophthalmol Strabismus. 1991;28(4):238-239.
PubMed
Nevin  NC, Silvestri  J, Kernohan  DC, Hutchinson  WM.  Oral-facial-digital syndrome with retinal abnormalities: OFDS type IX: a further case report. Am J Med Genet. 1994;51(3):228-231.
PubMed   |  Link to Article
Schorderet  DF, Nichini  O, Boisset  G,  et al.  Mutation in the human homeobox gene NKX5-3 causes an oculo-auricular syndrome. Am J Hum Genet. 2008;82(5):1178-1184.
PubMed   |  Link to Article
Ropers  HH, Zuffardi  O, Bianchi  E, Tiepolo  L.  Agenesis of corpus callosum, ocular, and skeletal anomalies (X-linked dominant Aicardi’s syndrome) in a girl with balanced X/3 translocation. Hum Genet. 1982;61(4):364-368.
PubMed   |  Link to Article
Donnenfeld  AE, Packer  RJ, Zackai  EH, Chee  CM, Sellinger  B, Emanuel  BS.  Clinical, cytogenetic, and pedigree findings in 18 cases of Aicardi syndrome. Am J Med Genet. 1989;32(4):461-467.
PubMed   |  Link to Article

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