From: TRNT1 deficiency: clinical, biochemical and molecular genetic features
Clinical feature | Total | Percent |
---|---|---|
Symptom/sign | ||
 Recurrent ‘inflammatory’ episodes | 14/18 | 78 |
 Developmental delay | 14/18 | 78 |
 Sideroblastic anaemia | 13/18 | 72 |
 Diarrhoea | 8/18 | 44 |
 Vomiting | 7/18 | 39 |
 Sensorineural deafness | 7/18 | 39 |
 Seizures | 7/18 | 39 |
 Retinitis pigmentosa | 6/18 | 33 |
 Splenomegaly | 6/18 | 31 |
 Ataxia | 5/18 | 28 |
 Brittle hair | 5/18 | 28 |
 Hypotonia | 5/18 | 28 |
 Nephrocalcinosis | 5/18 | 28 |
 Renal tubulopathy | 4/18 | 22 |
 Hepatomegaly | 4/18 | 22 |
 Pancreatic insufficiency | 3/18 | 17 |
 Villous atrophy | 2/18 | 11 |
 Acute encephalopathy | 2/18 | 11 |
 Cardiomyopathy | 1/18 | 6 |
Laboratory investigations | ||
 Low or low-normal haemoglobin | 16/18 | 89 |
 Microcytosis | 16/18 | 89 |
 B lymphopaenia/hypogammaglobulinaemia | 12/18 | 67 |
 Anisocytosis | 9/18 | 50 |
 High lactate | 6/18 | 33 |
 Metabolic acidosis | 5/18 | 28 |
 High alanine | 3/18 | 17 |