{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,6,6]],"date-time":"2024-06-06T23:30:46Z","timestamp":1717716646449},"reference-count":11,"publisher":"Bentham Science Publishers Ltd.","issue":"8","content-domain":{"domain":["eurekaselect.com"],"crossmark-restriction":true},"short-container-title":["CMIR"],"published-print":{"date-parts":[[2020,10,18]]},"abstract":"<jats:sec>\n<jats:title>Background:<\/jats:title>\n<jats:p>The ectopic posterior pituitary (EPP) is a rare condition characterized by\nthe ectopic location of the posterior pituitary lobe associated with varying degrees of stalk anomalies.\nThe arachnoid cysts (AC) are benign lesions of the arachnoid, which account for 1% of all intracranial\nspace-occupying lesions. Sellar\/suprasellar ACs account for approximately 1% of all\nACs. This is the first case of coexistence EPP with sellar\/suprasellar AC.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>Case Report:<\/jats:title>\n<jats:p>A 67-year-old woman presented with 6 months history of fatigue. Her medical history\nwas positive for irregular menstruation. Her endocrine examinations indicated low free thyroxine\nlevel with low TSH level, low oestradiol with low gonadotrophin level, slightly elevated prolactin\nlevel. Her Insulin-like growth factor-1 was below the normal levels. Dynamic contrast hypophysis\nMRI revealed a sellar cystic lesion with a dimension of 18 \u00d7 14 \u00d7 14 mm, extending from\nthe suprasellar cistern, traversing the diaphragma sellae and reaching the level of the floor of the\n3rd ventricle, consistent with sellar\/suprasellar AC. There was no wall enhancement. The optic chiasm\nwas compressed. The precontrast T1-weighted magnetic resonance images did not demonstrate\nthe characteristic bright spot of posterior pituitary within the sella, which was higher in position,\nin the region of the median eminence. The pituitary stalk was not present.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>Conclusion:<\/jats:title>\n<jats:p>Although speculative, we have a hypothesis to explain how the EPP and sellar\/-\nsuprasellar AC coexist in this patient. Due to the absence of stalk, CSF may enter the sella tursica\nfrom the central aperture of the diaphragma sellae through which normally the stalk passes.<\/jats:p>\n<\/jats:sec>","DOI":"10.2174\/1573405616666200530210847","type":"journal-article","created":{"date-parts":[[2020,5,30]],"date-time":"2020-05-30T20:19:49Z","timestamp":1590869989000},"page":"1055-1057","update-policy":"http:\/\/dx.doi.org\/10.2174\/bsp_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Coexistence of Ectopic Posterior Pituitary and Sellar\/Suprasellar Arachnoid Cyst: A Case Report"],"prefix":"10.2174","volume":"16","author":[{"given":"Suzan","family":"Saylisoy","sequence":"first","affiliation":[{"name":"Department of Radiology, Eskisehir Osmangazi University, Faculty of Medicine, Eskisehir, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Goknur","family":"Yorulmaz","sequence":"additional","affiliation":[{"name":"Department of Endocrinology and Metabolic Diseases, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"965","reference":[{"key":"ref=1","doi-asserted-by":"publisher","first-page":"764","DOI":"10.1016\/j.radcr.2018.05.004","volume":"13","author":"Lahiri A.K.","year":"2018","unstructured":"Lahiri A.K.; Sundareyan R.; Jenkins D.; Nilak A.; MRI of ectopic posterior pituitary gland with dysgenesis of pituitary stalk in a patient with hypogonadotropic hypogonadism. 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