Scalp Markers for Precise Craniotomy Siting, Using Computed Tomography

La, Hayman; Ra, Evans; Vc, Hinck

doi:10.1097/00004728-197910000-00026

Cited by 9 publications

(2 citation statements)

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“…As such, it is essential that surgeons possess a deep knowledge of skull and brain anatomy as well as existing cranioencephalic relationships before performing minimally invasive neuronavigation procedures with the aid of a stereotactic system based on skull and encephalic surface morphological characteristics (e.g. points, structures and areas presented in their natural anatomy that could be used as landmarks) (Yasargil et al., ; Yasargil et al., ; Hayman et al., ; Alker and Kelly,; Carreira and Ferreira, ; Ojemann et al., ; Ebeling et al., ; Uematsu et al., ; Fitzgerald et al., ; Yasargil, ; Rutten et al., ; Carreira et al., ). Such landmarks should be easily identifiable and show repeatability among individuals.…”

Section: Introductionmentioning

confidence: 99%

Morphological Variations in the Transverse Venous Sinus Anatomy of Dogs and its Relationship to Skull Landmarks

Carreira

Ferreira

2015

Anat. Histol. Embryol.

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We characterized the anatomical morphology of the transverse venous sinus (TVS) of 69 canine adult cadavers belonging to three groups: brachycephalic (B), dolichocephalic (D) and mesaticephalic (M). In addition, we outlined its path over the skull using five classic human craniometric points (CPs): the asterion (ast), the bregma (b), the glabella (g), the stephanion (st) and the pterion (pt). The study aimed to establish anatomical differences in the TVS between groups and in the relationship between the TVS and skull. We found that TVS anatomy and its relationships to skull landmarks vary markedly between the groups, with similar anatomical arrangements in B and M. The TVS length can be ranked as M < B < D (with D being the biggest), whereas the width can be ranked as M < D < B (with B being the widest) with the right side being smaller than the left. In the B and M groups, the TVS assumes a craniocaudal trajectory that is closer to the lateral skull wall than in D, where the TVS presents a caudocranial direction. By documenting the morphological characteristics of the TVS, we can create a set of anatomical references allowing construction of a basic framework to greatly decrease the probability of TVS injury during neuronavigation procedures when supported by a good knowledge of the skull, brain anatomies and their relationships.

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Section: Introductionmentioning

confidence: 99%

Morphological Variations in the Transverse Venous Sinus Anatomy of Dogs and its Relationship to Skull Landmarks

Carreira

Ferreira

2015

Anat. Histol. Embryol.

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“…A similar rapid, simple and inexpensive CT technique has been developed for marking the scalp and lateral skull radiograph of patients with small cerebral convexity lesions. [1] It is safe to use the frame and needs no special training. It is also not costly and can address the issue, where image guidance/stereotactic systems are not available.…”

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confidence: 99%