Craniovertebral anomalies associated with pituitary gland duplication

Milić, I; Samardžić, Miroslav; Djorić, Igor; Tasić, Goran; Djulejić, V; Marinković, Slobodan

doi:10.5603/fm.2015.0118

Cited by 6 publications

(6 citation statements)

References 43 publications

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“…At the level of the craniocervical junction, our patient showed an absence of the anterior arch and an incomplete fusion of the posterior synchondrosis of the atlas, a broadened base of C2, a broad/duplicated odontoid process and a bony fusion of a midline ossicle (possibly the secondary ossification center/persistent ossiculum terminale) with the clivus. Similar anomalies seen with DPG can be found in the literature [12,14]. Bony vertebral anomalies are seen in 35% of patients with DPG [17].…”

Section: Discussionsupporting

confidence: 82%

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Duplication of the Pituitary Gland: CT, MRI and DTI Findings and Updated Review of the Literature

et al. 2022

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Duplication of the pituitary gland (DPG) is an extremely rare malformation. DPG is associated with a wide variety of midline and central nervous system malformations (DPG-plus syndrome). We present the computed tomography (CT), magnetic resonance imaging (MRI) and diffusion tensor imaging (DTI) findings of a rare case of DPG with associated tuberomammillary fusion resulting in a hypothalamic mass-like configuration, oropharyngeal teratoma, cleft palate, hypertelorism, duplicated/broad sella, duplication/low bifurcation of the basilar artery, and craniovertebral midline anomalies. Qualitative interpretation of DTI yielded normal white matter organization of the brain. The duplication of the prechordal plate and the rostral end of the notochordal plate/notochord is thought to be the main factor leading to a duplication of the pituitary primordium and resulting in the formation of two morphologically normal glands. The time of induction of the teratogenic influence, the extent of the prechordal plate and notochordal plate/notochord abnormalities, and the faulty interactions are believed to be the reason for the wide spectrum of associated midline abnormalities.

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Section: Discussionsupporting

confidence: 82%

“…Bony vertebral anomalies are seen in 35% of patients with DPG [17]. It is believed that the odontoid has two ossification centers on each side of the midline and that a broadened/duplicated odontoid process is a result of a lack and/or abnormal fusion [12].…”

Section: Discussionmentioning

confidence: 99%

Duplication of the Pituitary Gland: CT, MRI and DTI Findings and Updated Review of the Literature

et al. 2022

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“…As regards the axis, we did not observe any anomaly in the present study, but we described a duplication of the odontoid process and the axis body in the mentioned patient [23]. The same anomaly was noticed by some other authors as well [10,32].…”

Section: Congenital Anomaliessupporting

confidence: 51%

“…There is sometimes a combination of the anterior-posterior arch anomalies, which is known as a split or bipartite atlas [14]. We found such a combination in our previous patient with a double pituitary gland [23]. Some of the mentioned anomalies can cause the atlanto-occipital instability [27,28,33].…”

Section: Congenital Anomaliesmentioning

confidence: 85%

Morphometric multislice computed tomography examination of the craniovertebral junction in neck flexion and extension

et al. 2017

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“…Blood supplying the pituitary gland is obscure. In performing an Internet and PubMed search, some schematic drafting pictures or radiologically reconstructed images were provided (Ranabir and Baruah, 2011;Mili c et al, 2015;Reifschneider et al, 2015). In this current study, we checked the vascularity of the pituitary gland (Fig.…”

Section: Discussionmentioning

confidence: 99%

Comparing the Superficial Vasculature of the Central Nervous System in Six Laboratory Animals: A Hypothesis About the Role of the “Circle of Willis”

Kim

Chao

Kim

et al. 2019

The Anatomical Record

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We provide images of the entire central nervous system vasculature, and compare the anatomical findings in six different laboratory animals. A detailed understanding of the specific anatomy for each is important in the design of experimental modeling and for understanding the specific function of each target organ. Six different types of animals, the Korean wild mouse, C57BL/6J mouse, F344 rat, mongolian gerbil, Syrian hamsters, and guinea pigs, were included. To stain the blood vessels in each of the animals, Alcian blue reagent was used to perfuse each species. The bifurcation and anastomotic patterns of the anterior cerebral arteries differed in each species. The vascular supply to the olfactory nerve was visualized as a single artery supplying both olfactory nerves, and arteries supplying the lateral portion of the olfactory nerves originating from the olfactory bulb area. The posterior communicating arteries of the six animals demonstrated unique morphologies. The shape of the hypophyseal portal system varied by species. Most animals used in this study had a hexagonal Circle of Willis, except for the Korean wild mouse. Using this approach, we successfully mapped the brain vascular system in six different species of animals. This information and the images created can guide other researchers as Additional Supporting Information may be found in the online version of this article.

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Craniovertebral anomalies associated with pituitary gland duplication

Abstract: (Folia Morphol 2015; 74, 4: 524-531)

Cited by 6 publications

References 43 publications

Duplication of the Pituitary Gland: CT, MRI and DTI Findings and Updated Review of the Literature

Duplication of the Pituitary Gland: CT, MRI and DTI Findings and Updated Review of the Literature

Morphometric multislice computed tomography examination of the craniovertebral junction in neck flexion and extension

Comparing the Superficial Vasculature of the Central Nervous System in Six Laboratory Animals: A Hypothesis About the Role of the “Circle of Willis”

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