06.09.2024 | Image
Joubert syndrome with the decaying molar tooth sign: report of 2 cases
verfasst von:
Felipe Scortegagna, Diogo Goulart Corrêa, Felipe Torres Pacheco, Renato Hoffmann Nunes, Antônio José da Rocha
Erschienen in:
Acta Neurologica Belgica
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Excerpt
Joubert syndrome (JS) is an autosomal-recessive ciliopathy, clinically characterized by hypotonia, ataxia, oculomotor apraxia, developmental delay and irregular breathing, first described in 1969 [
1]. A midbrain-hindbrain malformation, with cerebellar vermis hypo/dysplasia, elongated, thickened and horizontalized superior cerebellar peduncles, associated with abnormally deep interpeduncular fossa, configuring the molar tooth sign, is essential for its diagnosis [
2,
3]. The decayed molar tooth sign is a rarely described feature of this syndrome, characterized by additional asymmetrical cerebral peduncles [
4]. In this article, we describe two cases of JS with the decaying molar tooth sign. …