Abstract

In the first part of this 2-part series, we described how to implement microscopy coil MR imaging of the orbits. Beyond being a useful anatomic educational tool, microscopy coil MR imaging has valuable applications in clinical practice. By depicting deep tissue tumor extension, which cannot be evaluated clinically, ophthalmic surgeons can minimize the surgical field, preserve normal anatomy when possible, and maximize the accuracy of resection margins. Here we demonstrate common and uncommon pathologies that may be encountered in orbital microscopy coil MR imaging practice and discuss the imaging appearance, the underlying pathologic processes, and the clinical relevance of the microscopy coil MR imaging findings.

Highlights

  • By accurately demonstrating deep tissue tumor extension, the ophthalmic surgeons at our institution think they can better plan surgical procedures, preserving structures that

  • In the first part of this 2-part series, we described how to implement microscopy coil MR imaging (MC-MR imaging) of the orbits and described pearls and pitfalls of the technique that were acquired from experience at our institution (Ninewells Hospital, Dundee)

  • We have demonstrated that submillimeter depiction of orbital structures using MC-MR imaging generates images that provide functional and clinically relevant anatomy of the orbit and orbital content

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Summary

Introduction

By accurately demonstrating deep tissue tumor extension, the ophthalmic surgeons at our institution think they can better plan surgical procedures, preserving structures that Surgically challenging site for BCC resection.[9,10,12,13] This issue is Surgical treatment for orbital dermoid cysts is primarily cosbecause the complex anatomy of the eyelids and tear ducts in this region may require complex reconstructive surgery[10,11,12] and reliable clinical assessment of the deep lesion extent is impossible,[10,11] with subclincal tumor extension being one of the main features found in recurrent BCC.[14] When reporting MC-MR

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