[Congenital galactosemia in newborn infant with vascular malformation of the internal organs].

The paper describes a case of hereditary thesaurismosis - galactosemia in neonate infant with mutation of GALT-gene (Q188R/N) and vascular malformation of the internal organs.

[Congenital fibromyxomatous hyperplasia of mitral and tricuspid valve leaflets in the newborn].

The paper describes a clinicoanatomic case of two deceased neonates with fibromyxomatous hyperplasia of mitral and tricuspid valve leaflets with vascular malformations of the lung, lower extremity, spermatic cord, and thrombotic and hemorrhagic complications. The cases are considered in the context of congenital connective tissue dysplasia.

[Congenital neuroblastoma].

The paper describes a clinicoanatomic case of congenital neuroblastoma of various differentiation degree in a boy aged 1 year and 9 months after 4 courses of up-to-date multidrug therapy.

[Ovarian follicular cysts in a 3-month girl].

The paper presents a clinicoanatomic case of the polycystic ovary in a 3-month-old girl who died from intestinal infection. It shows the pathomorphological changes of ovaries, the structure of cysts, primary ovocytes, with defects of their structural and spatial pattern. It is suggested that there is a dynamic imbalance of the biological program of folliculogenesis and follicular atresia, which leads to the cystic transformation of ovaries and the persistence of biologically defective primary ovocytes.

[Ganglioneuroma in a newborn with early inborn syphilis].

A case is reported of a retroperitoneal sympathic nodes ganglioneuroma in a newborn with classic early inborn syphilis involving practically all systems of the viscera, skin, placenta. Some peculiar morphological features of the tumour are described. Possible teratogenic and oncogenic effects of treponema pallidus on embryonal fetal structures during intrauterine development are suggested.