BACKGROUND: Lymphocytic hypophysitis (LYH) is a rare inflammatory disease of the pituitary gland that usually affects women in their ante- or immediate postpartum period; males are affected less frequently than females. An autoimmune pathogenesis is suggested. Symptoms comprise anterior and/or posterior pituitary insufficiency of varying degrees. So far, specific characteristics of this rare disease in childhood are not well described. CASE HISTORY: We report the case of a 12-year-and-11-month-old boy with histologically confirmed LYH clinically presenting with diabetes insipidus. A high-dose steroid therapy was administered, in which the therapeutic effect was uncertain. His 6-year follow-up is presented. DISCUSSION: The literature is reviewed for children presenting with LYH; their characteristics, pituitary involvement, and clinical follow-up are listed and discussed. CONCLUSION: Even though magnetic resonance imaging can be highly suspicious for LYH, only surgical exploration can confirm the diagnosis. The efficacy of medical treatment is still controversial; a close follow-up is necessary to control and correct the endocrinological function, if required.
BACKGROUND:Lymphocytic hypophysitis (LYH) is a rare inflammatory disease of the pituitary gland that usually affects women in their ante- or immediate postpartum period; males are affected less frequently than females. An autoimmune pathogenesis is suggested. Symptoms comprise anterior and/or posterior pituitary insufficiency of varying degrees. So far, specific characteristics of this rare disease in childhood are not well described. CASE HISTORY: We report the case of a 12-year-and-11-month-old boy with histologically confirmed LYH clinically presenting with diabetes insipidus. A high-dose steroid therapy was administered, in which the therapeutic effect was uncertain. His 6-year follow-up is presented. DISCUSSION: The literature is reviewed for children presenting with LYH; their characteristics, pituitary involvement, and clinical follow-up are listed and discussed. CONCLUSION: Even though magnetic resonance imaging can be highly suspicious for LYH, only surgical exploration can confirm the diagnosis. The efficacy of medical treatment is still controversial; a close follow-up is necessary to control and correct the endocrinological function, if required.
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