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  • Title: Clinical features and surgical outcomes of Rathke cleft cysts with suprasellar components: a single-center experience of 157 cases.
    Author: Qian A, Li R, Zhou J, Yu J, Huo G, Wang X.
    Journal: Acta Neurochir (Wien); 2023 Aug; 165(8):2267-2276. PubMed ID: 37160776.
    Abstract:
    BACKGROUND: Both intrasuprasellar and suprasellar Rathke cleft cysts (RCCs) have suprasellar components, and we aimed to explore their clinical features and surgical outcomes. METHOD: Patients with surgically treated intrasuprasellar or suprasellar RCCs were retrospectively analyzed. All patients with intrasuprasellar RCCs were treated with the standard endoscopic endonasal approach (EEA, group I); the patients with suprasellar RCCs received the extended EEA (group II) or supraorbital keyhole approach (SKA, group III) according to the relevant indications. A surgical strategy of maximal safe resection aiming to protect neuroendocrine function was adopted. In addition, patients (distinguished from the above 3 groups) who had aggressive resection of suprasellar RCC were also enrolled for comparison of different surgical strategies. RESULTS: A total of 157 patients were eligible, including 121 patients with intrasuprasellar RCCs in group I, 19 patients with suprasellar RCCs in group II, and 17 patients with suprasellar RCCs in group III. Preoperatively, the patients with suprasellar RCC (groups II and III) more commonly presented with visual dysfunction, diabetes insipidus (DI), and hyperprolactinemia than the patients with intrasuprasellar RCCs (all p<0.05). A higher incidence of hypopituitarism and a larger diameter were observed for intrasuprasellar RCCs (both p<0.05). Postoperatively, group II had a higher rate of new-onset DI, hyponatremia, and recurrence than group I (all p<0.025) and similar outcomes to group III. For suprasellar RCCs, comparison of the maximal safe resection vs. aggressive resection (supplementary patients: 14 with extended EEA, 12 with SKA) showed similar improvement and recurrence, with higher rates of DI and hyponatremia with the latter strategy (all p<0.05). CONCLUSIONS: Suprasellar RCC is associated with more complicated preoperative presentations, intricate postoperative complications, and frequent recurrence compared with intrasuprasellar RCC. Under rational indications, both extended EEA and SKA achieve satisfactory outcomes. The strategy of maximal safe resection is recommended for greatest functional preservation.
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