Case Report Sellar spine: A rare Bony variant of the Sella Turcica

Luke D. Metelo-Liquito, Thandi E. Buthelezi

About the author(s) Luke D. Metelo-Liquito, Department of Diagnostic Radiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
Thandi E. Buthelezi, Department of Diagnostic Radiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

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Abstract

A sellar spine is a rare osseous projection from the dorsum sellae, resulting in variable compression of sellar and suprasellar structures and varied clinical presentations. CT is the diagnostic modality of choice, while variable signal intensity on MRI may mimic a pituitary microadenoma. A patient presented with hypoprolactinaemia and puerperal alactogenesis due to a sellar spine diagnosed on CT Brain. Neurosurgical and endocrine review and pituitary MRI were recommended with subsequent loss to follow-up.

Keywords

sellar spine; pituitary fossa; sella turcica; bony variant; hypoprolactinaemia

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