[Clinical heterogeneity of Townes-Brocks syndrome]. 1995

P Parent, and M Bensaid, and H Le Guern, and A Colin, and L Broussine, and A Chabarot, and A Cozic, and B Jehannin, and L de Parscau
Service de pédiatrie et génétique médicale, CHU Morvan, Brest, France.

BACKGROUND Townes-Brocks syndrome (TBS) is a rare autosomal dominant entity mainly characterized by ano-rectal, ear and extremities abnormalities with variable clinical expression. METHODS The first case had ear and extremities, but not anorectal, abnormalities; a Pierre-Robin sequence with esophageal atresia was also observed. The second case had the classical triad of abnormalities also associated with tetralogy of Fallot which has been only once reported in the literature. CONCLUSIONS Both cases are other examples of the frequent clinical variability observed in this syndrome explaining diagnostic difficulties in the absence of a specific marker.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008297 Male Males
D010855 Pierre Robin Syndrome Congenital malformation characterized by MICROGNATHIA or RETROGNATHIA; GLOSSOPTOSIS and CLEFT PALATE. The mandibular abnormalities often result in difficulties in sucking and swallowing. The syndrome may be isolated or associated with other syndromes (e.g., ANDERSEN SYNDROME; CAMPOMELIC DYSPLASIA). Developmental mis-expression of SOX9 TRANSCRIPTION FACTOR gene on chromosome 17q and its surrounding region is associated with the syndrome. Glossoptosis, Micrognathia, and Cleft Palate,Pierre Robin Sequence,Pierre Robin's Sequence,Pierre-Robin Syndrome,Robin Sequence,Pierre Robins Sequence,Robin Syndrome, Pierre,Sequence, Pierre Robin,Sequence, Pierre Robin's,Sequence, Robin,Syndrome, Pierre Robin,Syndrome, Pierre-Robin
D012007 Rectum The distal segment of the LARGE INTESTINE, between the SIGMOID COLON and the ANAL CANAL. Rectums
D004431 Ear, External The outer part of the hearing system of the body. It includes the shell-like EAR AURICLE which collects sound, and the EXTERNAL EAR CANAL, the TYMPANIC MEMBRANE, and the EXTERNAL EAR CARTILAGES. External Ear,Outer Ear,Ear, Outer,Ears, External,Ears, Outer,External Ears,Outer Ears
D004933 Esophageal Atresia Congenital abnormality characterized by the lack of full development of the ESOPHAGUS that commonly occurs with TRACHEOESOPHAGEAL FISTULA. Symptoms include excessive SALIVATION; GAGGING; CYANOSIS; and DYSPNEA. Atresia, Esophageal,Atresias, Esophageal,Esophageal Atresias
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000015 Abnormalities, Multiple Congenital abnormalities that affect more than one organ or body structure. Multiple Abnormalities
D001003 Anal Canal The terminal segment of the LARGE INTESTINE, beginning from the ampulla of the RECTUM and ending at the anus. Anal Gland, Human,Anal Sphincter,Anus,Anal Gland,Anal Glands, Human,Detrusor External Sphincter,External Anal Sphincter,Internal Anal Sphincter,Anal Sphincter, External,Anal Sphincter, Internal,Anal Sphincters,Detrusor External Sphincters,External Anal Sphincters,Human Anal Gland,Human Anal Glands,Internal Anal Sphincters,Sphincter, Anal,Sphincter, Detrusor External,Sphincter, External Anal,Sphincter, Internal Anal,Sphincters, Anal
D013577 Syndrome A characteristic symptom complex. Symptom Cluster,Cluster, Symptom,Clusters, Symptom,Symptom Clusters,Syndromes

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