Sheehan's syndrome MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Iqra Qamar M.D.[2]

Overview

Findings on MRI suggestive of Sheehan's syndrome include decreased sellar volume, empty sella, pituitary remnant tissue or CSF in sella.

MRI shows an empty sella, in chronic cases of Sheehan's syndrome.^[1]^[2]^[3]
It can also show decreased sellar volume, pituitary remnant tissue or CSF in sella.
It is done to exclude any pituitary mass.

Early
- Enlarged pituitary, with low T1, high T2 homogenous signal
- Ring enhancement
Late
- Empty sella of normal size.^[4]

↑ Barkan AL (1989). "Pituitary atrophy in patients with Sheehan's syndrome". Am. J. Med. Sci. 298 (1): 38–40. PMID 2750772.
↑ Sherif IH, Vanderley CM, Beshyah S, Bosairi S (1989). "Sella size and contents in Sheehan's syndrome". Clin. Endocrinol. (Oxf). 30 (6): 613–8. PMID 2591059.
↑ Bakiri F, Bendib SE, Maoui R, Bendib A, Benmiloud M (1991). "The sella turcica in Sheehan's syndrome: computerized tomographic study in 54 patients". J. Endocrinol. Invest. 14 (3): 193–6. doi:10.1007/BF03346787. PMID 1906495.
↑ Kaplun J, Fratila C, Ferenczi A, Yang WC, Lantos G, Fleckman AM, Schubart UK (2008). "Sequential pituitary MR imaging in Sheehan syndrome: report of 2 cases". AJNR Am J Neuroradiol. 29 (5): 941–3. doi:10.3174/ajnr.A1016. PMID 18296547.
↑ Radiopaedia.org
↑ rID: 5484