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Anatomic and Pathologic Spectrum of Pituitary Infundibulum Lesions

¹ Department of Radiology, University of Utah, Salt Lake City, UT.
² Present address: Department of Radiology, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd., Portland, OR 97239.

OBJECTIVE. The pathologic spectrum of pituitary infundibulum disease is diverse. We reviewed 65 infundibular lesions in 44 adult and 21 pediatric patients and summarized their imaging features and clinical presentation.

CONCLUSION. The spectrum of pathology involving the pituitary infundibulum is broad yet distinct from other pathology in the sella and parasellar region. Pituitary stalk lesions can be grouped into three categories: congenital and developmental, inflammatory and infectious, and neoplastic. Knowledge of the imaging appearance of diseases specific to adults and to children is important for accurate diagnosis and treatment.

Keywords: anatomy • central nervous system • neuroradiology • pituitary lesions

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