Gonadal dysgenesis, XY female type (medical condition): A rare disorder where a female has all the normal external femal characteristics but has non-functioning gonads. This means that none sex hormones needed for puberty are produced.
Goniodysgenesis mental retardation short stature (medical condition): A rare syndrome characterized by mental retardation, short stature and an eye abnormality. .Gms syndrome: A rare syndrome characterized by mental retardation, short stature and an eye abnormality.
Gonococcal conjunctivitis: An eye disease that is sexually transmitted. It is caused by a bacterium called Neisseria gonorrhoeae.
Gonzales del angel syndrome (medical condition): A very rare syndrome characterized mainly by abnormal calcification of the skull.
Good syndrome (medical condition): A rare condition characterized by low immunity (due to reduced number of B cells) and thymoma.
Goodman camptodactyly: A rare genetic disorder characterized by head, hand and genital anomalies. It is a mild form of Carpenter syndrome without mental retardation and less pronounced deformities.
Goodpasture syndrome (GPS, Goodpasture's disease, antiglomerular basement antibody disease, anti-GBM disease) is a rare autoimmune disease in which antibodies attack the basement membrane in lungs and kidneys, leading to bleeding from the lungs and kidney failure. It is thought to attack the alpha-3 subunit of type IV collagen, which has therefore been referred to as Goodpasture's antigen. Goodpasture syndrome may quickly result in permanent lung and kidney damage, often leading to death. It is treated with immunosuppressant drugs such as corticosteroids and cyclophosphamide, and with plasmapheresis, in which the antibodies are removed from the blood.
The disease was first described by an American pathologist Ernest Goodpasture of Vanderbilt University, in 1919 and was later named in his honor.
Gordon Syndrome: A genetic musculoskeletal disorder characterized mainly by camptodactyly, cleft palate and club foot. The type and severity of symptoms is variable.
Alternative Names: Arthrogryposis Multiplex Congenita, Distal, Type IIA, Camptodactyly-Cleft Palate-Clubfoot, Distal Arthrogryposis, Type IIA
Gorham syndrome is a very rare skeletal condition of unknown cause, characterized by the uncontrolled proliferation of distended, thin-walled vascular or lymphatic channels within bone, which leads to resorption and replacement of bone with angiomas and/or fibrosis.
Gorlin-Bushkell-Jensen syndrome: A rare disorder characterized by the development of numerous sebaceous cysts (mainly on the back, chest, arms, thighs and scrotum) as well as kidney stones and white nails.
Gorlin-Chaudhry-Moss Syndrome: A very rare inherited condition involving various physical and mental abnormalities.
Gracile bone dysplasia: An inherited disorder characterized by brittle bones and thin, slender long bones and ribs as well as other abnormalities.
Graft-versus-host disease (GvHD) is a medical complication following the receipt of transplanted tissue from a genetically different person. GvHD is commonly associated with stem cell or bone marrow transplant but the term also applies to other forms of tissue graft. Immune cells (white blood cells) in the donated tissue (the graft) recognize the recipient (the host) as "foreign." The transplanted immune cells then attack the host's body cells. GvHD can also occur after a blood transfusion if the blood products used have not been irradiated or treated with an approved pathogen reduction system.
Graft-Versus-Host Disease (GVHD) is a complication of allogeneic stem cell transplantation where the donor’s immune cells (the graft) attack the recipient’s body (the host) because they recognize the host’s cells as foreign. It can be categorized as acute, appearing within months and affecting the skin, liver, and gut, or chronic, developing later and causing long-term damage to various organs like the eyes, skin, and lungs. While treatments like immunosuppressive medication and close monitoring are used to prevent or manage GVHD, it remains a serious risk for recipients of stem cell transplants.
Graham boyle troxell syndrome (medical condition): A very rare condition characterized mainly by benign cysts in the lungs and kidneys.
Grand-Kaine-Fulling syndrome: A very rare syndrome characterized by disease of the retinal blood vessels and degeneration of the central nervous system.
Grant syndrome: A rare genetic condition characterized by short stature, skeletal abnormalities and blue sclerae.
Granulocytopenia: Reduced number of granulocytes in the blood. Granulocytes are a type of white blood cell (neutrophils, eosinophils and basophils). White blood cells help protect the body from invading pathogen and hence act as the body's defense to infection.
Granuloma annulare: A harmless skin disease characterized by raised, bumpy, ring-shaped skin lesions.
Granulomas, congenital cerebral: A rare birth condition characterized by granulomas in the brain. Cerebral granulomas are small inflamed areas of the brain. Death occurs with a day or so of birth.
Granulomatous Angiitis of the Central Nervous System: Inflammation of blood vessels in the central nervous system (brain and spinal cord). The condition tends to recur.
Granulomatous hypophysitis: A rare disorder caused by the inflammation of the pituitary gland. It can occur as a result of other infections such as tuberculosis and sarcoidosis.
Granulomatous rosacea: A rare variant of rosacea characterized by facial redness and the development of pustules and bumps on the skin of the face.
Granulosa cell tumor of the ovary: A rare type of ovarian tumor which can cause excess estrogen hormone production. The tumor is a low grade malignant tumor.
Graphite Pneumoconiosis: Lung damage caused by excessive inhalation of graphite. Cases are rare and severity can vary depending on the level of exposure.
Graves Disease: A form of hyperthyroidism where the thyroid gland produces too much thyroxine which results in various symptoms such as goiter, protruding eyes and skin disorders.
Gray platelet syndrome: A rare inherited disease characterized by deficiency of alpha granule inside blood platelets which inhibits it's clotting ability.
Transposition of the great vessels is a congenital heart defect in which the 2 major vessels that carry blood away from the heart -- the aorta and the pulmonary artery -- are switched (transposed).
Green Sandford Davison syndrome (medical condition): A rare genetic disorder characterized by kidney, anal and genital abnormalities.
Greenberg dysplasia: A very rare form of short-limbed dwarfism.