Directory
Rhabdomyolysis
Rhabdomyolysis is a pathological process characterized by the destruction of muscle cells with the release of myoglobin and other intracellular...
Rhabdomyosarcoma
Rhabdomyosarcoma (RM) is a malignant tumor originating from somatic tissue, particularly from striated...
Embryonic rhabdomyosarcoma
Embryonic rhabdomyosarcoma is a rare but highly aggressive tumor type that originates from undifferentiated myoblasts, which are...
Ruptured eardrum
A ruptured eardrum, or perforation of the tympanic membrane, is a localized injury to the thin membrane that separates the eardrum from the eardrum.
REM sleep behavior disorder
REM sleep behavior disorder (RBD) is a neurological disorder characterized by disruption of the normal mecha...
Rickets
Rickets is a disease characterized by a violation of bone mineralization and the occurrence of skeletal deformities as a result of insufficient...
Reactive arthritis
Reactive arthritis is an inflammatory disease of the joints that occurs in response to an infection in the body but is not...
Rheumatic fever
Rheumatic fever (RF) is a systemic inflammatory disease that develops as a complication of streptococcal infection, whi...
Rheumatoid lung disease
Rheumatoid lung disease is a complex group of pathologies that arise against the background of systemic rheumatoid arthritis. This...
Rheumatoid arthritis (RA)
Rheumatoid arthritis (RA) is a chronic inflammatory disease of autoimmune origin that primarily affects the...
Rheumatoid vasculitis
Rheumatoid vasculitis is a complex inflammatory disease characterized by involvement of the vascular system...
Rheumatoid pneumoconiosis
Rheumatoid pneumoconiosis is a disease caused by long-term exposure to inhaled particulate matter such as cream...
Renovascular hypertension
Renovascular hypertension (RH) is a pathological condition caused by narrowing or occlusion of the arteries that supply the...
Respiratory alkalosis
Respiratory alkalosis is a condition characterized by an increase in blood pH due to a decrease in the concentration of carbon dioxide (CO2...
Respiratory acidosis
Respiratory acidosis is a condition characterized by elevated levels of carbon dioxide in the bloodstream, resulting in decreased...
Restrictive cardiomyopathy (RCM)
Restrictive cardiomyopathy (RCM) is one of the rarest types of cardiomyopathy, characterized by impaired diastolic ...
Reticulohistiocytoma
Reticulohistiocytoma is a rare chronic disease belonging to the group of histiocytic neoplasias, characterized by proliferation...
Reticuloendotheliosis
Reticuloendotheliosis is a group of diseases characterized by the proliferation of cells of the reticuloendothelial system, which pr...
Retinal vasculopathy with cerebral leukodystrophy
Retinal vasculopathy with cerebral leukodystrophy is a rare disorder characterized by impaired...
Retinoblastoma
Retinoblastoma is a malignant neoplasm of the retina that most often occurs in children. It is a tumor that ...
Retinopathy Arteriosclerotic
Arteriosclerotic retinopathy is a pathological condition of the retina caused by changes in small vessels...
Retinopathy Pigmentary mental retardation
Retinopathy pigmentosa mental retardation (RPM) is a genetically determined disease characterized by progressive...
Retinopathy of prematurity
Retinopathy of prematurity (ROP) is a progressive disease of the retina that occurs in premature infants, who...
Retinochoroidal coloboma
Retinochoroidal coloboma is a congenital defect that affects the retina and choroid of the eye. This disease is charac...
Retroversion of the uterus
Retroversion of the uterus is an anatomical anomaly characterized by a backward deviation of the uterus relative to its normal position...
Retrograde ejaculation
Retrograde ejaculation (RE) is a condition in which semen does not flow out through the urethra, but instead...
Retroperitoneal fibrosis
Retroperitoneal fibrosis (RPF) is a pathological process characterized by the formation of fibrous tissue in the retroperitoneal...
Reflux nephropathy
Reflux nephropathy (RNP) is a pathological condition characterized by the backflow of urine from the bladder into the ureters and kidneys...
Recessive Chondrodysplasia Punctata 1
Recessive chondrodysplasia punctata 1 (RTCH1) is a rare genetic disorder that belongs to the group of chondrodysplasias - disorders of the...
Relapsed refractory multiple myeloma (RRMM)
Multiple myeloma (MM) is a malignant disease characterized by a neoplastic proliferative process ...