Giant occipital meningohydroencephalocele in an adult: Another historical case in neural tube defects

Coulibaly, Oumar; Sogoba, Youssouf; Kanikomo, Drissa; Dama, Mahamadou; Camara, Mody Abdoulaye; Diallo, O

doi:10.1016/j.neuchi.2016.04.002

Cited by 1 publication

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“…In encephalocele, the meninges, with brain tissue, protrude towards the exterior through an opening in the skull as a sac, leading to the exposure of the brain and potential damage before and after birth [67]. Meningocele and meningohydroencephalocele are also skull base developmental defects that result in herniation of the dura and arachnoid (in meningocele) through a laminar defect in the spinal column [68], or the herniations of meninges, cerebrospinal fluid, brain parenchyma, and a small part of the ventricular system (in meningohydroencephalocele) [69]. While, in clinical terms, meningocele or meningohydroencephalocele is distinguished by a smaller skull defect with the sac-like protrusions being covered with skin, exencephaly-anencephaly is characterized by a massive skull defect and no skin over it.…”

Section: Discussionmentioning

confidence: 99%

Exencephaly–Anencephaly Sequence Associated with Maxillary Brachygnathia, Spinal Defects, and Palatoschisis in a Male Domestic Cat

Marc,

Savici,

Sicoe

et al. 2023

Animals

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Anencephaly, a severe neural tube defect characterized by the absence of major parts of the brain and skull, is a rare congenital disorder that has been observed in various species, including cats. Considering the uncommon appearance of anencephaly, this paper aims to present anencephaly in a stillborn male kitten from an accidental inbreeding using various paraclinical methods. Histological examination of tissue samples from the cranial region, where parts of the skull were absent, revealed the presence of atypical nerve tissue with neurons and glial cells organized in clusters, surrounded by an extracellular matrix and with an abundance of blood vessels, which are large, dilated, and filled with blood, not characteristic of nerve tissue structure. In CT scans, the caudal part of the frontal bone, the fronto-temporal limits, and the parietal bone were observed to be missing. CT also revealed that the dorsal tubercle of the atlas, the dorsal neural arch, and the spinal process of the C2–C7 bones were missing. In conclusion, the kitten was affected by multiple congenital malformations, a combination of exencephaly–anencephaly, maxillary brachygnathism, closed cranial spina bifida at the level of cervical vertebrae, kyphoscoliosis, palatoschisis, and partial intestinal atresia. The importance of employing imaging techniques cannot be overstated when it comes to the accurate diagnosis of neural tube defects.

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Section: Discussionmentioning

confidence: 99%