ClinVar Miner

Submissions for variant NC_000001.9:g.157610062_160185096del2575035

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Geisinger Autism and Developmental Medicine Institute,Geisinger Health System RCV000677173 SCV000803333 pathogenic Charcot-Marie-Tooth disease, demyelinating, type 1b; Variegate porphyria; Familial hemiplegic migraine type 2; Paragangliomas 3 2018-04-13 criteria provided, single submitter provider interpretation This deletion was identified in a 21 year old female with developmental delays and intellectual disability. Parental testing was not completed. This deletion contains approximately 50 genes including MPZ, PPOX, ATP1A2, and SDHC. She is at risk for developing Charcot-Marie-Tooth syndrome (type 1B, 2I, 2J, and dominant intermediate D), porphyria variegata, Hereditary Paraganglioma and Pheochromocytoma syndrome, and has an increased risk for migraines based on this deletion. Notably, she currently has no muscular symptoms consistent with CMT, nor any skin findings consistent with porphyria. Similar overlapping deletions have been seen in individuals with symptoms included but not limited to: intellectual disability, proportionate short statue, dysmorphic features, bilateral cleft lip/palate, hemiatrophy, hypodysplasia of corpus callosum, IUGR, and complex heart defects. This individual also has 16p11.2 deletion syndrome, identified through chromosomal microarray, which is also likely contributing to her developmental phenotype.

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