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4 results on '"intrasellar region"'

1. Capillary hemangioma of the sphenoid sinus with intrasellar and parasellar extensions

Author

Maciej Pas, MD, PhD, Taro Shimono, MD, PhD, Hiroki Morisako, MD, PhD, Taro Tsukamoto, MD, PhD, Reia Kuramoto, MD, Daisuke Horiuchi, MD, Akane Tashiro, MD, Shoko Shigeki, MD, and Yukio Miki, MD, PhD

Subjects
Capillary hemangioma, Intrasellar region, Cavernous sinus, Sphenoid sinus, Magnetic resonance imaging, Computed tomography, Medical physics. Medical radiology. Nuclear medicine, R895-920
Abstract

Capillary hemangiomas are benign vascular tumors usually diagnosed in infancy and involving skin and soft tissues. We report a rare case of an adult capillary hemangioma of the left sphenoid sinus extending into the intrasellar and parasellar regions. A 71-year-old woman presented with complaints of headaches and diplopia. Magnetic resonance imaging revealed a T2-hyperintense mass-like lesion involving the left posterior ethmoid and sphenoid sinuses and left cavernous sinus, that had extended into the intrasellar and parasellar regions. Dynamic contrast-enhanced computed tomography revealed enhancing vessel-like structures within the lesion during the arterial phase, which were observed to expand further in the late phase of the examination. This characteristic feature indicated increased vascularity, suggesting the presence of a capillary hemangioma. The patient underwent endoscopic resection via the endonasal transpterygoid approach, and the lesion was diagnosed histopathologically as a capillary hemangioma. To aid diagnosis and clinical management, radiologists should be aware of the imaging findings related to capillary hemangiomas.

Published
2022
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2. Preoperative 3D volume reconstruction of the posterior wall of the sphenoid sinus with Horos: A free, simple and reliable tool in endoscopic endonasal trans-sphenoidal surgery.

Author

Paglia, Francesco, Caporlingua, Alessandro, Armocida, Daniele, Rizzo, Francesca, Santoro, Antonio, and D'angelo, Luca

Abstract

Copyright of Neurocirugía is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2022
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3. Preoperative 3D volume reconstruction of the posterior wall of the sphenoid sinus with Horos: A free, simple and reliable tool in endoscopic endonasal trans-sphenoidal surgery

Author

Luca D'Angelo, Daniele Armocida, Alessandro Caporlingua, Antonio Santoro, Francesca Rizzo, and Francesco Paglia

Subjects
medicine.medical_specialty, Sphenoid Sinus, Planum temporale, Neurosurgery, Nose, Brain tumor, Intrasellar region, Neuroendoscopy, Pituitary gland, Transphenoidal approach, Posterior wall, medicine, Humans, Dicom viewer, Volume reconstruction, Trans sphenoidal, Sinus (anatomy), Preoperative planning, business.industry, Volume rendering, Endoscopy, General Medicine, medicine.anatomical_structure, Surgery, Neurology (clinical), Radiology, business, Tomography, X-Ray Computed
Abstract

Background The purpose of the study was to create computer-aided design models of the sphenoid sinus with a free-source software in order to perform a preoperative planning during trans-sphenoidal endoscopic surgery (TES) and clarify the three-dimensional anatomical features of the sphenoid sinus and its surrounding structures. Methods For each patient a 3D volume rendering of the sphenoid sinus was obtained from a thin slice head and maxilla-facial CT scan using a free-source DICOM viewer. The 3D models obtained preoperatively were examined preoperatively by six neurosurgeons in order to identify the boundaries of the sella. Results For the main anatomical landmark, all of the observers were able to recognize the anatomical structure at a rate ranging from 80 to 98%, 28 to 60% and 25 to 58% for expert (n = 3), inexpert (n = 3) and the entire group of observers (n = 6), respectively. The analysis of the data shows that both observation groups presented a lower recognition rate of the following parameters: right and left medial and lateral optocarotid recesses and tumor prominence, however, the sellar prominence, clival recess, planum sphenoidalis, right and left ICA prominence, right and left optic prominences represent the main anatomical landmarks to be recognized during TES immediately before the opening of the sellar floor. Conclusions The use of a preoperative 3D imaging is not in itself a novelty in the literature, however the fact that a simple tool obtained with a free-source software like Horos can represent a considerable help in surgical practice without resorting to the use of more complex software and expensive represents the real utility of this work.

Published
2022

4. Capillary hemangioma of the sphenoid sinus with intrasellar and parasellar extensions.

Author

Pas M, Shimono T, Morisako H, Tsukamoto T, Kuramoto R, Horiuchi D, Tashiro A, Shigeki S, and Miki Y

Abstract

Capillary hemangiomas are benign vascular tumors usually diagnosed in infancy and involving skin and soft tissues. We report a rare case of an adult capillary hemangioma of the left sphenoid sinus extending into the intrasellar and parasellar regions. A 71-year-old woman presented with complaints of headaches and diplopia. Magnetic resonance imaging revealed a T2-hyperintense mass-like lesion involving the left posterior ethmoid and sphenoid sinuses and left cavernous sinus, that had extended into the intrasellar and parasellar regions. Dynamic contrast-enhanced computed tomography revealed enhancing vessel-like structures within the lesion during the arterial phase, which were observed to expand further in the late phase of the examination. This characteristic feature indicated increased vascularity, suggesting the presence of a capillary hemangioma. The patient underwent endoscopic resection via the endonasal transpterygoid approach, and the lesion was diagnosed histopathologically as a capillary hemangioma. To aid diagnosis and clinical management, radiologists should be aware of the imaging findings related to capillary hemangiomas., (© 2021 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

Published
2021
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