ESPE Abstracts (2015) 84 P-3-869

ESPE2015 Poster Category 3 Fat (88 abstracts)

Severe Hypothalamic Obesity in a Girl with Craniopharyngioma – Case Report

Monika Obara-Moszynska a , Marek Harat b, & Marek Niedziela a

aDepartment of Pediatric Endocrinology and Rheumatology, Poznan University of Medical Sciences, Poznan, Poland; bDepartment of Neurosurgery, Tenth Military Research Hospital and Polyclinic, Bydgoszcz, Poland; cLudwik Rydygier Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland

Background: Hypothalamic obesity is a form of obesity syndrome associated with a variety of hypothalamic disorders including intracranial tumors, infections, trauma, vascular problems and hydrocephalus and acquired or congenital functional defects in central energy homeostasis. The pathogenetic mechanisms underlying hypothalamic obesity are multifactorial. Weight gain results from the hypothalamus damage, which leads to excessive apetite and low metabolic rate, multiple pituitary hormonal deficiency, hypomobility and insomnia.

Aims: The aim is to present a 20-year-old female who underwent neurosurgical operation in the age of 11 years because of craniopharyngioma and manifested severe obesity thereafter (BMI>50 kg/m2).

Case presentation: The girl in the age of 10 years was referred to endocrinologic outpatient clinic because of height deceleration and weight gain. In the age of 11 years craniopharyngioma (max. diameter 30 mm) was diagnosed. Postsurgically she developed multihormonal pituitary insufficiency and excessive appetite. The girl was on hormonal substitution therapy. With time the disturbed energy balance led to severe obesity with complications like insulin resistance, scoliosis, knee valgus and low self-assessment. The pharmacological treatment with metformin, orlistat, alpha-glucosidase inhibitor and psychological therapy did not bring weight loss. The BMI was critical 52 kg/m2. In the age of 19 years she underwent very unique neurosurgical operation. The stimulator for deep brain stimulation into the nucleus accumbens septi of the brain was installed. The aim of this intervention was to modify the appetite control. The operation was successful. The weight loss was significant - from a total weight of 150–130 kg. Since that time the weight is stable. The most important fact is that the self-assessment has been changed. The motivation improved and there is no obsessive thinking about eating. The treatment of hypothalamic obesity is very difficult. The deep brain stimulation gives a chance of better appetite control which seems to be the main problem in the disease.

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