| Features | Answer | % Correct |
|---|---|---|
| Dysarthria, abnormal movements, anaemia. Malabsorption, failure to thrive, visual problems including retinitis pigmentosa. Acanthocytes on blood film [AR] | Abetalipoproteinaemia | 100%
|
| asymptomatic in children, blue skin/scleral pigmentation, dark urine, later arthritis, vascular heart disease, renal stones, hearing loss [AR] | Alkaptonuria | 100%
|
| nephritis + SNHL (high freqnecy) [XL, AD, AR] | Alport | 100%
|
| spastic paraplegia and developmental delay, raised arginine and urinary orotic acid, can be treated with degzilarginase artificial enzyme [AR] | Arginase 1 deficiency (Arginaemia) | 100%
|
| neonatal hyperammonaemia, raised citrulline, raised urinary orotic acid and ASA [AR] | ASL deficiency (Arginosuccinaemic aciduria) | 100%
|
| neonatal hyperammonaemia, raised citrulline, raised urinary orotic acid [AR] | ASS deficiency (Citrullinaemia I) | 100%
|
| Neonatal hypoglycaemia, macroglossia, hemihypertrophy, anterior abdominal wall defects, embryonal tumours. Frequent feeds + diazoxide to prevent hypos [Sporadic] | Beckwith-Widemann | 100%
|
| liver disease, renal tubular acidosis; high total/free carnitine and low C16, 18, 18:1, no dicarboxylic aciduria [AR] | Carnitine palmitoyltransferase I deficiency (CPT I) | 100%
|
| cardiomyopathy, liver disease; low total carnitine and no/non-specific dicarboxylic aciduria [AR] | Carnitine palmitoyltransferase II deficiency (CPT II) | 100%
|
| cardiomyopathy, muscle weakness, liver disease; very low total and free carnitine, no dicarboxylic aciduria [AR] | Carnitine transporter defect | 100%
|
| coloboma, heart defects, choanal atresia, developmental delay, genital hyoplasia, absent semicircular canals + VIIIth nerve hypoplasia [AD] | CHARGE | 100%
|
| lysosomal sotrage defect resulting in AA accumulation, Fanconi syndrome (proximal RTA + hypophosphataemia + glucosuria + proteinuria/aminoaciduria), faltering growth, hypophosphataemic rickets, polyuria/polydipsia, photophobia due to corneal accumulation, diabetes, thyroid, and neurological problems [AR, CTNS mutation] | Cystinosis | 100%
|
| Fanconi syndrome (proximal RTA + hypophosphataemia + glucosuria + proteinuria/aminoaciduria), faltering growth, hypophosphataemic rickets, polyuria/polydipsia, photophobia due to corneal accumulation, diabetes, thyroid, and neurological problems [AR, CTNS mutation] | Cystinosis | 100%
|
| AA reabsorption defect: renal stones (hexagonal), diagnosed with sodium cyanide nitroprusside test and managed with alkalinisation of urine and penicillamine chellation [AR] | Cystinuria | 100%
|
| conductive hearing loss in up to 80% [Sporadic] | Down | 100%
|
| Sphingolipidosis. Pancytopenia, hepatosplenomegaly, joint and bone pain, neurological symptoms, osteoporosis [AR] | Gaucher's | 100%
|
| non-syndromic genetic HL [AR, connexin 26 gap junction protein mutations] | GJB2 | 100%
|
| initially asymptomatic with acute decompensation resulting in encephalopathy, classically bilateral subdurals; part of blood spot [AR] | Glutaric aciduria type 1 | 100%
|
| hypoglycaemia, hepatomegaly, faltering growth, hyperlipidaemia, myopathy [AR, glycogen debranching enzyme deficiency] | GSD III (Cori's) | 100%
|
| coarse facial features, macroglossia, hypotonia, HOCM [AR, alpha-glucosidase deficiency] | GSD II (Pompe) | 100%
|
| hepatomegaly and cirrhosis, myopathy, dilated cardiomyopathy [AR, glycogen branching enzyme deficiency] | GSD IV (Andersen's) | 100%
|
| severe hypoglycaemia, hepatomegaly, faltering growth, hyperlipidaemia, lactic acidosis, hyperuricaemia [AR, glucose-6-phosphatase deficiency] | GSD I (von Gierke's) | 100%
|
| exercise-induced muscle fatigue and cramps, muscle hypertrophy, rhabdomyalysis, NO hepatomegaly or hypoglycaemia [AR, muscle glycogen phosphorylase deficiency] | GSD V (McArdle's) | 100%
|
| marfanoid body habitus, eye problems inc lens dislocation, VTE/strokes, learning difficulties, part of blood spot except for a B6-responsive subtype [AR] | Homocystinuria | 100%
|
| acidosis with ketosis, raised lactate, hyperammonaemia, neutropenia, part of blood spot [AR] | Isovaleric acidaemia | 100%
|
| long QT syndrome + congenital SNHL [AD, KCNQ1/KCNE1 (potassium channels) mutations] | Jervell-Lange-Nielsen | 100%
|
| Hemihypertrophy of the bone or soft tissues associated with an overlying port-wine stain. If AVM present then *-Weber syndrome | Klippel-Trenaunay syndrome | 100%
|
| cariomyopathy, liver disease, hypotonia, neuropathy, retinopathy, late-onset rhabdomyalisis; associated with maternal steatosis or HELLP syndrome; dicarboxyclic aciduria [AR] | LCADD | 100%
|
| encephalopathy, seizures, cerebral oedema, acidosis with ketosis, raised branch chain amino acids, part of blood spot [AR] | Maple Syrup Urine Disease | 100%
|
| Reye-like progressive crisis after 8-16 hours of fasting; hypoketotic hypoglycaemia; dicarboxylic aciduria [AR] | MCADD | 100%
|
| Copper metabolism. Progressive neurodegeneration and seizures. Rosy cheeks and friable hair. Low serum copper [XR] | Menke's | 100%
|
| acidosis with ketosis, raised lactate, hyperammonaemia, neutropenia, extrapyramidal signs, cardiomyopaty, renal failure, x2 raised organic acids in urine [AR] | Methylmalonic acidaemia | 100%
|
| coarse facial features, skeletal abnormalities, joint stiffness, abdominal hernias, developmental delay, cardiac abnormalities [XR, iduronate-2-sulfatase deficiency] | MPS I (Hunter) | 100%
|
| coarse facial features, skeletal abnormalities, joint stiffness, abdominal hernias, developmental delay, cardiac abnormalities, cataracts [AR, alpha-L-iduronidase deficiency] | MPS II (Hurler) | 100%
|
| cafe-au-lait spots, peripheral nerve sheath tumours, optic glioma, renal artery stenosis [AD] | Neurofibromatosis 1 | 100%
|
| vestibular shwannomas [AD] | Neurofibromatosis 2 | 100%
|
| Sphingolipidosis. Neurological symptoms inc cerebellar and basal ganglia dysfunction, gelastic cataplexy, hepatosplenomegaly [AR] | Niemann-Pick | 100%
|
| Hypotonia, lethargy, coma, seizures, choreas [AR] | Non-ketotic hyperglycinaemia | 100%
|
| spastic paraplegia and liver dysfunction, raised ornithine, homocitrulline and urinary orotic acid [AR] | Ornithine transporter deficiency (Hyperornithinaemia hyperammonaemia homocitrullinaemia) | 100%
|
| neonatal hyperammonaemia, raised glutamine, low citrulline, raised urinary orotic acid [XR] | OTC deficiency | 100%
|
| posterior fossa malformations, haemangiomas, arterial lesions, cardiac abmormalities e.g. coarctation of the aorta, eye abnormalities, sternal cleft | PHACES | 100%
|
| fair skin, microcephaly and progressive cognitive impairment, part of blood spot [AR] | Phenylketonuria | 100%
|
| coarse facial features, macroglossia, hypotonia, HOCM [AR, alpha-glucosidase deficiency] | Pompe | 100%
|
| acidosis with ketosis, raised lactate, hyperammonaemia, neutropenia, extrapyramidal signs, cardiomyopaty, x1 raised organic acid in urine [AR] | Propionic acidaemia | 100%
|
| Developmental regression, acquired microcephaly, repetitive hand movements. [XD, MECP2 mutation] | Rett | 100%
|
| port-wine stain, LD, seizures, hemiparesis, glaucoma [Sporadic] | Sturge-Weber | 100%
|
| Gangliosidosis. Progressive neurological condition. Motor regression, siezures, hearing loss. Retinal red spot. More common in Ashkenazi Jewish, Old Order Amish, Quebec French Canadian communities [AR, HEXA mutation] | Tay-Sachs | 100%
|
| ash leaf macules, Shagreen patches, LD, epilepsy inc infantile spasms, cardiac rhabdomyomas, renal angiomyolipomas [AD] | Tuberous sclerosis | 100%
|
| hepatic and renal failure [AR] | Tyrosinaemia | 100%
|
| retinal dystrophy + SNHL | Usher | 100%
|
| cardiomyopathy, liver disease, hepatomegaly, sudden death in infancy, late-onset rhabdomyalisis [AR] | VLCADD | 100%
|
| tumour suppressor gene mutation -> visceral cysts + tumours. Retinal, cerebellar, spinal haemangioblastomas, renal cell carcinoma, phaeochromocytoma, pancreatic tumours [AD] | Von Hippel-Lindau | 100%
|
| pigmentary anomalies of hair/skin/eyes + HL [AD] | Waardenburg | 100%
|
| Neuropsychiatric + liver disease presentation due to copper build up [AR, ATP7B gene] | Wilson | 100%
|
| severe cardiomyopathy, arrythmias, liver diseasae; low total carnitine, may have dicarboxylic aciduria [AR] | Carnitine translocase deficiency | 0%
|
| Progressive neurodegenerative disorder, onset at 2-4 years. Seizures esp myoclonic, visual problems, motor decline. | Late infantile ceroid lipofuscinosis | 0%
|
| Oculocerebrorenal dystrophy. Congenital cataracts, glaucoma, bupthalmos. Hypotonia, hyporeflexia. Progressive intellectual disability. Fanconi syndrome. Rickets and pathological fractures [XR] | Lowe | 0%
|
| neonatal hyperammonaemia, raised glutamine, low citrulline, normal urinary orotic acid, can be managed with carbaglumic acid [AR] | N-acetylglutamate syntase deficiency | 0%
|
| thyroid dysmorphogenesis + congenital SNHL (high freqhency) [AR, SCL26A4 (a chloride/iodide transporter) mutations] | Pendred | 0%
|
| Developmental abnormality of midline brain structures. Optic nerve hypoplasia (-> congenital blindness), hypopituitarism, absent septum pellucidum. Roving eye movements in infant (rotatory nystagmus). | Septo-optic dysplasia | 0%
|