Demographic Data |
Relation to Proband |
brother |
Age at Sampling |
3 YR |
Sex |
Male |
Age of Onset(If not a control) |
2 MO |
Age at Diagnosis(If not a control) |
3 YR |
Racial Category |
White |
Country |
ARGENTINA |
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Data Elements |
Clinical Element Type: General NIGMS Catalog Remarks |
(Baseline) |
Mutation Information |
Gene, variant, consequence, and exon number: |
TARGETED NEXT GENERATION SEQUENCING OF A REGION WITHIN THE SURF1 GENE REVEALED COMPOUND HETEROZYGOUS FAMILIAL PATHOGENIC VARIANTS IN EXON 9 OF THE SURF1 GENE (NM_003172.2), C.834G>A (P.W278*) AND C.845_846DEL (P.S282CFS*9) |
Zygosity: |
Compound Heterozygous |
Age of Symptom Onset and Age at Diagnosis |
Age of Symptom Onset: |
2 MONTHS |
Age at Diagnosis: |
3 YEARS |
In Utero History Information |
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Birth History Information |
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Caesarian section
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Additional Information: |
SECOND DIZYGOTIC TWIN; ICTERUS WAS TREATED WITH 1 DAY OF LUMINOTHERAPY |
Dysmorphic Features |
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Additional Information: |
HYPERTRICHOSIS |
Neurological Symptoms |
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Hypotonia
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Additional Information: |
GENERALIZED HYPOTONIA AT 17 MONTHS |
Optical and Audiological Symptoms |
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Additional Information: |
PROGRESSIVE ABNORMAL OCULAR MOVEMENTS UNCONJUGATED WITH PTOSIS |
Musculoskeletal Symptoms |
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Developmental Milestones |
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Additional Information: |
NORMAL GROWTH AND DEVELOPMENT UNTIL 1 YEAR; MOTOR COMPROMISE INCREASED PROGRESSIVELY, LOST THE STAND-UP POSITION AND FATIGUE INCREASED |
Gastrointestinal Symptoms |
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Additional Information: |
VOMITING DURING FEBRIL ILLNESS; AT 17 MONTHS, PRESENTED WITH VOMITING AND PROGRESSIVE TACHYPNEA DURING A GASTROINTESTINAL INFECTION |
Genitourinary Symptoms |
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Respiratory and Cardiovascular Symptoms |
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Additional Information: |
PROGRESSIVE O2 DESATURATION |
Cognitive and Behavioral Symptoms |
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Additional Information |
Testing Performed |
Cognitive and Behavioral Testing: |
AT 17 MONTHS MRI SHOWED BILATERAL HYPERINTENSITIES IN T2 AND FLAIR AT LEVEL OF MEDULLA OBLONGATA, DORSAL PART AND PERIAQUEDUCTAL PART OF PROTUBERANCE, AND SUBTHALAMIC NUCLEI; AT 3 YEARS MRI SHOWED INCREASED HYPERINTENSE LESIONS IN BRAIN STEM AND THE APPEARANCE OF BILATERAL BIPUTAMINAL LESIONS IN POSTERIOR |
Metabolic, Hematologic, and Endocrinologic Testing: |
METABOLIC ACIDOSIS, INCREASED LACTIC ACID (7.9 MMOL/L), BETA OH BUTYRATE (1.9 MMOL/L), MODERATE DECREASED FREE AND TOTAL CARNITINE, INCREASED LACTIC ACID IN CSF (4.9 MMOL/L) |
Treatments and Assistive Devices |
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Speech therapy
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Additional Testing: |
NASOGASTRIC DRIP USED FOR NOURISHMENT; FROM 3 YEARS TRACHEOSTOMY AND GASTROSTOMY |
Medications |
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CARNITINE; IDEBENONE; THIAMINE, RIBOFLAVIN |
Family History |
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OLDER BROTHER SHARES THE SAME PATHOGENIC MUTATIONS IN SURF1 |
Remarks |
See Phenotypic Data tab. Clinically affected; has one affected sibling in family 3519: Unaffected carrier mother is GM28035 (fibro), Unaffected carrier father is GM28036 (fibro), affected brother is GM28034 (fibro). |