{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,9]],"date-time":"2025-10-09T21:15:57Z","timestamp":1760044557060,"version":"3.37.3"},"reference-count":20,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2017,8,16]],"date-time":"2017-08-16T00:00:00Z","timestamp":1502841600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neuropathology"],"published-print":{"date-parts":[[2017,12]]},"abstract":"<jats:p>Ornithine transcarbamylase deficiency (<jats:styled-content style=\"fixed-case\">OTCD<\/jats:styled-content>) is an <jats:styled-content style=\"fixed-case\">X<\/jats:styled-content>\u2010linked urea cycle defect associated with severe and usually fatal hyperammonemia. This study describes a patient with early onset lethal <jats:styled-content style=\"fixed-case\">OTCD<\/jats:styled-content> due to a known pathogenic variant (c.298+1<jats:styled-content style=\"fixed-case\">G<\/jats:styled-content>&gt;<jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>), as well as the novel autopsy finding of kernicterus with relatively low blood concentration of unconjugated bilirubin (<jats:styled-content style=\"fixed-case\">UCB<\/jats:styled-content>) (11.55\u2009mg\/dL). The patient was a full\u2010term male with a family history of two previous male siblings who died as newborns after acute neurologic deterioration. The patient's symptoms began at 24\u2009h of life with lethargy that rapidly progressed to coma upon admission to the neonatal intensive care unit. Although hyperammonemia and hyperbilirubinemia were documented, hemofiltration could not be performed. <jats:styled-content style=\"fixed-case\">OTCD<\/jats:styled-content> diagnosis was biochemically established. Despite nutritional intervention and treatment for hyperammonemia, the patient died on the sixth day of life. At autopsy, external brain examination revealed a marked yellow pigmentation typical of kernicterus that included gray matter, particularly the thalamus and basal ganglia; dentate nuclei of the cerebellum and brain stem gray matter were also affected. Microscopic findings were consistent with the classical description of tissue damage in <jats:styled-content style=\"fixed-case\">OTCD<\/jats:styled-content>, including the presence of <jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>lzheimer type <jats:styled-content style=\"fixed-case\">II<\/jats:styled-content> astrocytes in basal ganglia, necrosis, neuronal loss with spongiform degeneration and macrophage infiltration surrounded by astroglia. This condition may be an important comorbidity in newborns with hyperammonemia.<\/jats:p>","DOI":"10.1111\/neup.12404","type":"journal-article","created":{"date-parts":[[2017,8,17]],"date-time":"2017-08-17T08:14:28Z","timestamp":1502957668000},"page":"586-590","source":"Crossref","is-referenced-by-count":7,"title":["Kernicterus in a boy with ornithine transcarbamylase deficiency: <scp>A<\/scp> case report"],"prefix":"10.1111","volume":"37","author":[{"given":"Eduardo","family":"L\u00f3pez\u2010Corella","sequence":"first","affiliation":[{"name":"Department of Pathology National Institute of Pediatrics  Mexico City Mexico State Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Isabel","family":"Ibarra\u2010Gonz\u00e1lez","sequence":"additional","affiliation":[{"name":"Nutritional Genetics Unit Biomedical Research Institute UNAM\u2010National Institute of Pediatrics  Mexico City Mexico State 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