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  • Title: Comparison of hypothalamopituitary axis dysfunction of intrasellar and third ventricular craniopharyngiomas in children.
    Author: Lee YY, Wong TT, Fang YT, Chang KP, Chen YW, Niu DM.
    Journal: Brain Dev; 2008 Mar; 30(3):189-94. PubMed ID: 17870266.
    Abstract:
    In this study, we attempted to determine if different locations of a tumor influence the hypothalamopituitary axis function and outcomes with childhood craniopharyngiomas. The preoperative, postoperative, and long-term follow-up endocrinological disturbances of 66 children with a craniopharyngioma were retrospectively studied. The patients were divided into two subgroups according to the location of the tumor (intrasellar and third ventricle floor). The mean age at onset was 8.02 (range, 1.42-17.58)years. These patients were followed-up for a median duration of 7.2 (range, 2-22)years. Vision problems as the first symptom were more common in Group One (with intrasellar tumors) compared to Group Two (55.6% vs 15.4%; p=0.001; Fisher's exact test). Increased intracranial pressure was the most common initial symptom in patients in Group Two (51.3%) and the second most common symptom in Group One (37%). The majority of patients in both Group One and Group Two required some forms of pituitary hormone supplements (96% vs 84%). At the last follow-up, more patients with intrasellar craniopharyngiomas needed cortisone supplements (79.2% in Group One vs 45.9% in Group Two; p=0.016; Fisher's exact test); however, children with third ventricle floor tumors had more prevalent weight gain (4.2% in Group One vs 27.0% in Group Two; p=0.038; Fisher's exact test). There were different initial presentations and endocrinological outcomes between children with intrasellar and third ventricle floor craniopharyngiomas. The intrasellar tumors had greater pituitary hormone disturbance. However, at the long-term follow-up, children with third ventricle floor tumors had a greater prevalence of being overweight and obese, which was associated with hypothalamic dysfunction.
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