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Sella Turcica Size in Women with Sheehan Syndrome-A Case-Control Study
Bashir Ahmad Laway1, Atul Sharma1, Naseer Ahmad Choh2
1Department of Endocrinology, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu and Kashmir, India.
Introduction:
Sheehan syndrome is a common cause of hypopituitarism in developing countries. Among risk factors, in addition to post-partum haemorrhage, a smaller sellar volume is also believed to predispose to pituitary necrosis. Some earlier studies have reported smaller sellar volume in these patients but involved a small number of patients and lacked matched controls. The main of the present study was to study the sellar volume in a large cohort of patients with Sheehan syndrome and compare it with age- and parity-matched controls.
Methods:
Fifty women with Sheehan syndrome and an equal number of age- and parity-matched controls were studied. Baseline investigations, relevant hormonal assay, and MRI of pituitary were studied in all.
Results:
Sellar volume was significantly lower in patients with Sheehan syndrome (334.50 ± 129.08 mm3 in patients as against 456.64 ± 169.25 mm3 in controls, P = 0.000). Far more women with Sheehan syndrome than controls had decreased sellar volume (40% vs. 12%).
Conclusions:
Patients with Sheehan syndrome have a smaller sellar volume that may be a non-modifiable risk factor for the development of post-partum pituitary necrosis.
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