Thumb absence hypoplastic halluces
Overview
A rare syndrome characterized mainly by missing thumbs and underdeveloped big toes
Symptoms
* Missing thumb * Short fingers * Underdeveloped thumb * Irregular finger length * Irregular finger shape
Causes
* 1q deletion * 2q deletion * 3q deletion * 46,XX chromosome 7 deletion p13 * 49,XXXXX syndrome * Acro-pectoro-renal field defect * Acro-reno-ocular syndrome * Acrofacial dysostosis autosomal recessive * Acrofacial dysostosis Catania form * Acrofacial dysostosis postaxial, atypical