Transient hyogammaglobulinaemia of infancy (THI) is the name for a condition in which the immune system matures more slowly than usual, but eventually functions entirely normally. This information sheet from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of transient hypogammaglobulinaemia of infancy (THI) and where to get help.
Transposition of the great arteries is a condition where that the two main blood vessels leaving the heart, the pulmonary artery (which takes blood to the lungs to pick up oxygen) and the aorta (which takes blood from the heart to the body) are swapped over (switched).
Treacher-Collins syndrome is a congenital (present at birth) condition affecting the bones and tissues in the face. This information sheet from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of Treacher-Collins syndrome (also known as mandibulofacial dysostosis) and where to get help.
Tricuspid valve abnormalities (including Ebstein's anomaly) are congenital heart defects – that is, they were present when a child is born. Around eight in every 1,000 babies born have a congenital heart defect, though Ebstein's anomaly is rarer than that.
Tufting enteropathy (also known as intestinal epithelial dysplasia) is a very rare congenital (present at birth) condition affecting the inner surface of the intestines. It causes severe life-threatening diarrhoea in the first few days after birth. This page from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of tufting enteropathy and where to get help.
Hernias develop when there is a weak area in the abdomen or a small opening in the abdominal muscles, causing the tissues below to bulge. Both children and adults can have hernias. Thispage explains hernias, how they can be treated and what to expect when your child comes to Great Ormond Street Hospital (GOSH).