A spontaneous extra-axial hematoma extending from the dorsum sella to the foramen magnum is described. Although two cases of clivus epidural hematomas have been reported previously, review of the literature failed to reveal any case reports of spontaneous hematomas in this region.
\s=b\Advancements in imaging pose new diagnostic and therapeutic dilemmas as smaller lesions in the relatively inaccessible regions of the petrous apex and clivus are identified. Differentiation of true pathology from artifact and anatomic variants is critical in management of these lesions. We describe our experience with five patients diagnosed with petrous apex lesions: three, cholesteatomas; one, cholesterol granuloma; and one, false-positive. Soft-tissue obliteration of the temporal bone defect with postoperative followup using high-resolution computed tomographic scanning and magnetic resonance imaging is proposed as an alternative to exteriorization.
MR imaging is commonly used to evaluate orbital and facial soft-tissue disease. Although the eyelids are visible on these images, the radiographic appearance and the detailed anatomy of these structures has received little attention in the literature [1-4]. Anatomic correlation with MR images may be extremely helpful in the accurate interpretation and staging of eyelid malignancies and infections.
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