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17 lis 2019 · The pterion is the H-shaped formation of sutures on the side of the calvarium representing the junction of four skull bones: It is located at the anterior end of the s quamous suture, whereas the asterion is located at the posterior end.
13 maj 2024 · The pterional or fronto-temporo-sphenoidal approach is one of the most frequently performed neurocranial craniotomy / craniectomy approaches and allows access to numerous important supratentorial anatomical substrates of vascular and neoplastic pathology.
The pterion marks the front end of the parietosquamous suture on the skull’s side. The pterion region has an exceptionally thin skull bone. Consequently, it can be fractured if the head receives a traumatic injury to the side.
20 wrz 2024 · In radiology, the pterion serves as a key marker for interpreting cranial imaging. It helps radiologists identify the relative positions of cranial structures and assess any abnormalities or pathologies in the surrounding areas.
26 cze 2024 · Portal hypertension is defined as a hepatic venous pressure gradient (HVPG) >5 mmHg. Hepatic venous pressure gradient is a surrogate for the portosystemic pressure gradient. Clinically significant portal hypertension is defined as a gradient >10 mmHg and variceal bleeding may occur at a gradient >12 mmHg.
31 gru 2019 · The pterion is an area of confluence of frontal, parietal, squamous temporal and greater wing of sphenoid bones in the Norma lateralis of the skull [1]. It was first classified by Broca [2] into pterion en H, pterion retourne and pterion en K representing the sphenoparietal, frontotemporal and stellate varieties.
23 sty 2021 · Upon viewing a radiology report, a patient could click a link (Fig. 1 A ) to view the images in the image portal (Fig. 1 B). The integration used a uniform resource locator-based, study-specific connection with authentication managed by encryption keys between portals.
