Download Intraoperative Ultrasound (IOUS) in Neurosurgery: From by Francesco Prada, Luigi Solbiati, Alberto Martegani, PDF

By Francesco Prada, Luigi Solbiati, Alberto Martegani, Francesco DiMeco

ISBN-10: 3319252666

ISBN-13: 9783319252667

ISBN-10: 3319252682

ISBN-13: 9783319252681

This ebook is meant as a pragmatic handbook at the use of intraoperative ultrasound (IOUS) as a device for imaging counsel in the course of cranial and spinal neurosurgical strategies. complete account is taken of the emergence of novel medical functions and up to date technical advances, with huge insurance of the impression of advancements akin to enhanced probe expertise, fusion imaging and digital navigation, 3D ultrasound imaging, contrast-enhanced ultrasound, and elastosonography. uncomplicated ideas of ultrasound are elucidated to be able to help in the optimum use of IOUS and transparent suggestions is equipped at the interpretation of imaging findings in numerous pathologies. Informative comparisons also are made from using strategies reminiscent of fusion imaging and contrast-enhanced ultrasound typically radiology and neurosurgery. the purpose of the authors is to augment the final wisdom relating to intra-operative ultrasound mind imaging, standardizing its use and exploring new concepts, prime not directly towards compensating the inability of particular education within the software of ultrasound one of the neurosurgical neighborhood. IOUS is a delicate software which can enhance surgical precision and aid to lessen morbidity.

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Extra info for Intraoperative Ultrasound (IOUS) in Neurosurgery: From Standard B-mode to Elastosonography

Example text

The fibrillar echotexture is seen in higher detail, resembling histological section; however, image depth is as limited as 2 cm from the skin surface 3 Ultrasound System Setup and General Semeiology 25 Fig. 6 Use of calipers to measure the right thyroid lobe (Th). Anterior-posterior diameter is indicated by caliper #1 (arrows), while medial-lateral diameter is indicated by caliper #2 (arrowheads). Measures are reported on the side of the image (curved arrow). T trachea, C carotid screen. ). Freeze command is indicated as #2 on Fig.

On the other hand, highly infiltrative lesions such as lowgrade gliomas have not well-defined margins, in particular in case of surrounding edema [20]. It is mandatory to remember that the IOUS semeiotics is not static but dynamic. Surgical manipulation of tumor and brain leads to a drop in diagnostic accuracy, mainly due to the appearance of artifacts [18, 21]. Blood clots and hemostatic materials within the surgical cavity are hyperechoic and create an acoustic shadow that does not permit study of the cavity wall to find the tumor-brain interface.

Other tools are Doppler, contrast, and elastography. Through direct control of the machine, it is also possible to review the acquired images and further define the surgical strategy. The probe is wrapped in plastic sterile sheath together with sterile US gel and it is used to perform a first scan on intact dura mater (b) and multiple scans during surgery (c) a complete overview and its major relationships (Fig. 3). • Probe tilting and shifting to perform a detailed study of the region of interest and to create a three-dimensional visualization of the lesion (Fig.

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