T-cell Activation Deficiency see Primary Immunodeficiencies
T-cell Receptor Deficiency see Primary Immunodeficiencies
Talipes see Congenital Talipes Equinovarus
Tangier disease see Metabolic diseases
TAR syndrome
Tauri disease see Glycogen Storage diseases
Tay Sachs disease
TB see Tuberculosis
TBS see Townes-Brocks syndrome
Telangiectasia see Vascular Birthmarks
Termination of Pregnancy see Fetal Abnormality
Testicular Feminisation see Androgen Insensitivity syndrome
Tetrahydrobiopterin Deficiency see Metabolic diseases
Tetralogy of Fallot see Heart Defects
Tetraplegia see Spinal Injuries
Thalassaemia Major (ß Thalassaemia)
Thiopurine Methyltransferase deficiency/superactivity see Purine & Pyrimidine Metabolic diseases
Thomsen disease see Muscular Dystrophy and neuromuscular disorders
Thrombocytopenia with Absent Radii see TAR syndrome
Thrombotic Thrombocytopenic Purpura
Thymic Aplasia see Primary Immunodeficiencies
Thymoma with Hypogammaglobulinaemia see Primary Immunodeficiencies
Thyroid Associated Ophthalmopathy see Thyroid Eye disease
Thyroid Disorders
Thyroid Eye disease
Thyroid Ophthalmopathy see Thyroid Eye disease
Thyrotoxicosis see Thyroid Disorders
Tibial Hemimelia see Hemimelia
Tibial Torsion see Lower Limb abnormalities
Tic Douloureux see Trigeminal Neuralgia
Tick-Borne Encephalitis see Arboviral Encephalitides
Tinnitus
Torseten Sjögren see Marinesco-Sjögren Syndrome
Torticollis see Dystonia
Tourette syndrome
Townes-Brocks syndrome
Toxic and drug induced neuropathies see Peripheral Neuropathy
Toxocariasis
Toxoplasmosis