Duplication of the hypophysis associated with precocious puberty: presentation of two cases and review of pituitary embryogenesis.
نویسندگان
چکیده
Pituitary duplication is a rare malformation commonly associated with other major neural/craniofacial anomalies, easily shown by magnetic resonance imaging. The authors describe two girls with duplication of the pituitary gland and thickening of the hypothalamus, facial dysmorphism and precocious pubertal development. The pathogenesis of pituitary duplication and its relationship with precocious pubertal development are discussed.
منابع مشابه
Whether all patients with Central precocious puberty should be treated?
Extended Abstract Precocious puberty is the appearance of secondary sexual characteristics before 8 years old in girls and 9 years old in boys. Precocious puberty is divided into 3 groups of central, peripheral and normal variants. Central precocious puberty is accompanied by activation of hypothalamic-pituitary-gonadal axis which causes increase in secretion of GnRH, and in turn increase i...
متن کاملPrecocious Puberty: An Unusual Presentation of Hypothyroidism
Hypothyroidism is usually associated with delayed pubertal development but in rare occasions precocious puberty may ensue which is seen in cases of prolonged and untreated hypothyroidism. This is also called the Van Wyk Grumbach syndrome. Here we present 4 cases of precocious puberty due to hypothyroidism.
متن کاملPituitary Abscess: a Report of Two Cases
Background and Importance: Abscess of the hypophysis or pituitary adenoma is a very rare entity, and its preoperative diagnosis could be challenging. The clinical presentation is less specific, and despite the recent advancement in imaging, diagnosis before surgery is still difficult. Case Presentation: We reported two cases of pituitary abscesses in patients aged 38 and 42 years. The first ...
متن کاملRare association of schizophrenia and unilateral Graves’ disease with contralateral thyroid hemiagenesis in two cases of McCune-Albright syndrome
The classical triad of McCune-Albright syndrome (MAS) consists of polyostotic fibrous dysplasia (FD), skin hyperpigmentation (café-au-lait spots), and endocrine dysfunction, frequently seen in females as precocious puberty. Etiology is genetically based and is explained by mosaicism of activating somatic mutations of the alpha-subunit of Gs protein. Clinical presentation is varied and is depend...
متن کاملبررسی سن قدی و سن استخوانی در بلوغ زودرس درمانگاه غدد اطفال بیمارستان امام، 79-1372
Background: The first step in assessment of children with precocious puberty is to determine whether the cases are of benign nature or have more serious causes. It seems that two criteria of "height age" and "bone age" are helpful for this decision. Materials and Methods: To evaluate the usefulness of those criteria, a retrospective study of 74 children (50 girls and 24 boys) with precocious pu...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Arquivos brasileiros de endocrinologia e metabologia
دوره 49 2 شماره
صفحات -
تاریخ انتشار 2005