RT Journal Article SR Electronic T1 Ki- 1-positive anaplastic large cell lymphoma of the masticator space with intracranial extension. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1388 OP 1391 VO 17 IS 7 A1 DelBalso, A M A1 Herz, P A1 Miller, L A1 Hall, R E A1 Heffner, R YR 1996 UL http://www.ajnr.org/content/17/7/1388.abstract AB Ki- 1-positive anaplastic large cell lymphoma (ki- 1 ALCL) is a recently recognized form of non-Hodgkin lymphoma occurring predominantly in the skin and/or peripheral lymph nodes. We report the clinical, pathologic, and radiographic findings of a case of Ki- 1 ALCL arising within the masticator space and extending intracranially into the epidural space.