Eczema is a chronic recurrent inflammatory polyetiological skin disease with pronounced polymorphism of rash elements.

Eczema of the nasal vestibule is a very common disease that complicates various infectious rhinitis due to profuse nasal discharge and maceration of the skin.

An ectopic pregnancy cannot be carried to term and eventually terminates or regresses. In an ectopic pregnancy, implantation occurs outside the uterine cavity - in the fallopian tube (in its intramural part), cervix, ovary, abdominal cavity or in the small pelvis.

Focal ectomesodermal dysplasia (syn.: Goltz syndrome, Goltz-Gorlin syndrome, focal dermal hypoplasia, mesoectodermal dysplasia syndrome) is a rare disease, probably genetically heterogeneous, but in most cases inherited in an X-linked dominant manner with a lethal outcome in male fetuses.

A relatively rare disease, ectodermal dysplasia, is a genetic disorder characterized by a disruption in the functionality and structure of the derivative elements of the outer layer of the skin.

Eclampsia is the development of a convulsive seizure, a series of convulsive seizures in women against the background of gestosis in the absence of other causes capable of causing a convulsive seizure.

There are two chronic echinococcal liver diseases: echinococcal cyst caused by Echinococcus granulosus larvae and alveolococcosis caused by Echinococcus multilocularis.

Echinococcosis is a chronic biohelminthiasis caused by parasitism of humans by cestodes of the genus Echinococcus. Hydatid echinococcosis (single-chamber echinococcosis, cystic echinococcosis, lat. echinococcosis, eng. echinococcus disease) is a chronic zoonotic biohelminthiasis with a fecal-oral mechanism of transmission of the pathogen, characterized by the formation of parasitic cysts in the liver, less often in the lungs and other organs.