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J Neurol Surg Rep. 2017 Jan;78(1):e26-e33. doi: 10.1055/s-0037-1598203.

Remarkable Diagnostic Magnetic Resonance Imaging Findings in Sellar Xanthogranuloma: Report of Three First Cases in Latin America.

Author information

1
Department of Otorhinolaryngology - Head and Neck Surgery, Regional Hospital of Concepción, Concepción, Chile.
2
Department of Neurosurgery, Regional Hospital of Concepción, Concepción, Chile.
3
Department of Radiology, Regional Hospital of Concepción, Concepción, Chile.
4
Department of Pathology, Regional Hospital of Concepción, Concepción, Chile.
5
Faculty of Medicine, University of Concepción, Concepción, Chile.
6
Department of Otorhinolaryngology - Head and Neck Surgery, University of Concepción, Chile.

Abstract

The sellar xanthogranuloma is a rare lesion of the sellar-parasellar region difficult to differentiate from other tumors such as craniopharyngiomas or Rathke's cleft cyst in the preoperative evaluation. As they are recently recognized as a separate entity and the few number of reports in the literature, its etiology is unknown and its impact remains uncertain. This article will describe the first three cases reported in Latin America, identified in one of them an imaging feature that may be helpful to elucidate an imaging growth pattern. Current evidence will be described regarding to the clinicopathological features, imaging diagnosis, and etiology origin theories.

KEYWORDS:

MRI; craniopharyngioma; sellar region; xanthogranuloma

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