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Case Report

Spontaneous recovery in infantile mitochondrial hepatopathy due to TRMU gene mutation

Rahul Deshmukh, Alpana Kondekar, Vishal Sawant, Pravin M Rathi.

Background: Depending on the genetic mutation, mitochondrial hepatopathy has a variable presentation. Spontaneous recovery is a rare occurrence in these patients. However, complete recovery is possible in infants having t-RNA5-methylaminomethyl-2-thiouridylate methyl-transferase (TRMU) gene mutation.
Case presentation: A 53-day-old female child presented with hepatopathy and lactic acidosis. Genetic work up showed she has a mitochondrial respiratory chain disorder due to the TRMU gene mutation. Very few patients with isolated hepatic involvement have been described in the literature. We are reporting the first case from India of transient hepatopathy due to heterozygous TRMU gene mutation. Recovery was spontaneous at 4 months of age.
Conclusion: Complete recovery is possible in infants having TRMU mutation if they are supported through and survive the acute phase. The identification of TRMU mutation could impact clinical management.

Key words: Infantile mitochondrial hepatopathy, TRMU, Hepatic failure, spontaneous recovery, case report

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The articles in Bibliomed are open access articles licensed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (https://creativecommons.org/licenses/by-nc-sa/4.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.