hrp0095p2-293 | Thyroid | ESPE2022

The importance of thyroid function tests in precocious menarche: Van Wyk Grumbach syndrome

Köprülü Özge , Acar Sezer

Introduction: Van Wyk Grumbach Syndrome (VWGS) is characterized by untreated severe hypothyroidism, isosexual precocious puberty, multiple ovarian cysts and delayed bone age. The disorder is most likely due to complex interactions of the hormonal axis; (1) excess TSH stimulates the FSH-receptor, (2) pituitary enlargement and hyperstimulation, (3) secondary ovarian hyperstimulation. Although it is extremely rare, it is important to recognize before the unnecess...

hrp0094p2-451 | Thyroid | ESPE2021

A girl with Trisomy 21 presents with Van Wyk-Grumbach syndrome. A rare diagnosis

Dikaiakou Eirini , Vlachopapadopoulou Elpis Athina , Kosteria Ioanna , Panos Alexandros , Dede Eirini , Koutrouveli Eleni , Zouridaki Christina , Michalacos Stefanos

Background: Van Wyk-Grumbach syndrome (VWGS) is a rare diagnosis that should be suspected in children with signs of peripheral precocious puberty and hypothyroidism. It is characterized by multicystic enlarged ovaries, in the presence of long-term severe hypothyroidism. Treatment of VWGS consists of hormonal replacement with levothyroxine. Usually, ovarian cysts and increased ovarian volume subside within an average of 2 months but can persist up to 12 months after treatment.<...

hrp0097rfc8.2 | Fat, metabolism and obesity 2 | ESPE2023

Acute rise of leptin after five days of dexamethasone and its association with hunger, fat mass, sleep and fatigue, in children with acute lymphoblastic leukemia

van Hulst Annelienke , Verwaaijen Emm , van den Berg Sjoerd , van Litsenburg Raphaele , Grootenhuis Martha , Fiocco Marta , Neggers Sebastian , van den Heuvel-Eibrink Marry , van den Akker Erica

Background & Aims: Children with acute lymphoblastic leukemia (ALL) frequently receive high doses dexamethasone during treatment, which may induce acute side effects. The aims of the current study were to determine the influence of a five-day dexamethasone course on changes in leptin, fat mass, body mass index (BMI), hunger, sleep and fatigue and to explore the associations between these changes.Methods: Pediatric AL...

hrp0086p1-p914 | Thyroid P1 | ESPE2016

Van Wyk Grumbach Syndrome with Kocher Smeglaine Debre Syndrome: Case Report of a Rare Association

Syed Mohd. Razi , Gupta Abhinav Kumar , Gupta Deepak Chand , Gupta Keshav Kumar

Background: Van Wyk Grumbach Syndrome (VWGS) is a rare presentation of juvenile hypothyroidism which manifests in females as chronic autoimmune hypothyroidism, isosexual pseudo-precocious puberty and multicystic ovaries. It uniquely presents with short stature and delayed bone age unlike other causes of precocious puberty. Kocher-Debre-Smeglaine Syndrome (KDSS) is a rare presentation of juvenile hypothyroidism manifesting as calf muscle pseudo-hypertrophy, delayed contraction ...

hrp0094p2-21 | Adrenals and HPA Axis | ESPE2021

The reliability of Salivary Cortisol compared to Serum Cortisol for diagnosing adrenal insufficiency in the gold standard ACTH stimulation test in children

Ciancia Silvia , van den Berg Sjoerd A.A. , van den Akker Erica L.T. ,

Introduction: The gold standard for the diagnosis of adrenal insufficiency (AI) is the ACTH stimulation test. According to the guidelines approved by the European Endocrine Society, the ACTH stimulation test should be performed with the administration of the standard dose of i.v. Synachten® 250 µg for adults and children aged ≥ 2 years (infants should receive 15 µg/kg, children ≤ 2 years 125 µg). In many clinical settings a Syna...

hrp0094p2-337 | Multisystem endocrine disorders | ESPE2021

Van Wyk Grumbach Syndrome in an Egyptian Female Pediatric Patient: a rare presentation of a common disease

Ibrahim Amany , Abdel Rahman Alshaimaa Mahfouz ,

Background: Van Wyc-Grumbach syndrome is a rare presentation of long standing pre-pubertal hypothyroidism characterized by bilateral multicystic ovaries, vaginal bleeding and delayed skeletal growth in case of female.Case Presentation: we present a clinical course, diagnosis and management of a case of Van Wyc-Grumbach syndrome in a 10-years old Egyptian counselled for recurrent vaginal bleeding and pubertal advancement for age. She was ...

hrp0086fc11.1 | Thyroid | ESPE2016

Mutations in TBL1X as a Novel Cause of Familial Central Hypothyroidism

Heinen Charlotte , Losekoot Monique , Sun Yu , Watson Peter , Fairall Louise , Joustra Sjoerd , Zwaveling-Soonawala Nitash , Oostdijk Wilma , van den Akker Erica , Santen Gijs , van Rijn Rick , Dreschler Wouter , Surovtseva Olga , Biermasz Nienke , Hennekam Raoul , Wit Jan , Schwabe John , Boelen Anita , Fliers Eric , van Trotsenburg Paul

Background: Congenital central hypothyroidism (CeH) may occur isolated, or in combination with other pituitary hormone deficiencies. Although a third causative gene for CeH was recently reported (IGSF1), the aetiology of isolated CeH has remained unexplained in most cases.Objective and hypotheses: We hypothesized that in three relatives with unexplained isolated CeH a mutation in another gene might be responsible for the phenotype.<p class="...

hrp0095p1-398 | Thyroid | ESPE2022

Unusually Enlarged Ovaries Associated with Severe Hypothyroidism - Van Wyk and Grumbach Syndrome Case Report

Cvetković Dimitrije , Todorović Slađana , Milenković Tatjana , Mitrović Katarina , Vuković Rade , Panić Zarić Sanja , Savić Đorđe , Mijović Tanja , Smolović Dijana , Tončev Jovana

Introduction: Since 1960, enlarged polycystic ovaries associated with hypothyroidism, delayed bone age and precocious puberty are recognized as Van Wyk and Grumbach syndrome. Although it is rare entity, it should be considered in differential diagnosis of the enlarged polycystic ovaries.Case: An eleven-year-old girl was presented with sudden onset of abdominal pain and vomiting. A large mass with multiple cysts was seen ...

hrp0086p2-p969 | Thyroid P2 | ESPE2016

An Unusual Presentation of Hashimoto Thyroiditis (HT) and Precocious Puberty: The Van Wyk-Grumbach Syndrome

Leka-Emiri Sofia , Karachaliou Feneli , Fotinou Aspasia , Petrou Vassilis , Michalakos Stefanos

Background: The association of primary hypothyroidism and isosexual precocious pseudopuberty in females was first described in 1960 by Van Wyk and Grumbach. The unique elements that lead to the diagnosis are FSH-dominated sexual precocity with non advanced bone age in the presence of hypothyroidism.Objective and methods: Describe an 8.5 years old girl with hypothyroidism due to HT and clinical and hormonal features of Van-Wyk and Grumbach syndrome.<p...