Thrombophlebitis Tuberculosis Tooth Abscess Thiamin (Vitamin B1) Transient Hypogammaglobulinemia of Infancy Transplantation Transplantation of Other Organs Transient Tachypnea Thyroid Disorders Turner's Syndrome Triple X Syndrome Teething Temper Tantrums Tonsils and Adenoids (Enlarged) Tangier Disease Tardive Dyskinesia Tarlov Cysts Tarsal Tunnel Syndrome Tay Sachs Disease Telecanthus with Associated Abnormalities Temporomandibular Joint Dysfunction (TMJ) Tethered Spinal Cord Syndrome Tetrahydrobiopterin Deficiency Tetralogy of Fallot Thalamic Syndrome (Dejerine Roussy) Thalassemia Major Thalassemia Minor Thoracic Outlet Syndrome Three M Syndrome Thrombocythemia, Essential Thrombocytopenia Absent Radius Syndrome Thrombocytopenia, Essential Thrombotic Thrombocytopenic Purpura Thyroid Cancer Tietze Syndrome Timothy Syndrome Tinnitus Tolosa Hunt Syndrome Tongue Cancer Tongue, Fissured Tongue, Geographic Tongue, Hairy Tooth and Nail Syndrome TORCH Syndrome Tourette Syndrome Townes Brocks Syndrome Toxic Epidermal Necrolysis Toxic Shock Syndrome Toxocariasis Toxoplasmosis Transverse Myelitis Treacher Collins Syndrome Tricho Dento Osseous Syndrome Trichorhinophalangeal Syndrome Type I Trichorhinophalangeal Syndrome Type II Trichorhinophalangeal Syndrome Type III Trichotillomania Trigeminal Neuralgia (Tic Douloureux) Trimethylaminuria Triosephosphate Isomerase Deficiency Triplo X Syndrome Triploid Syndrome Trismus Pseudocamptodactyly Syndrome Trisomy 13 Syndrome Trisomy 18 Syndrome Trisomy Tropical Sprue Truncus Arteriosus Tuberculosis Tuberous Sclerosis Tularemia Tumor Necrosis Factor Receptor-Associated Periodic Syndrome Turcot Syndrome Turner Syndrome Twin-Twin Transfusion Syndrome Typhoid Typical Hemolytic Uremic Syndrome Tyrosinemia, Hereditary