Preferred Label : Hypoglossia with situs inversus;
Type : Phenotype or locus, molecular basis unknown;
Included titles and symbols : Hypoglossia, isolated;
Description : Hypoglossia with situs inversus is a very rare congenital condition that likely represents
a developmental field defect. Only sporadic cases have been reported (Faqeih et al.,
2008). Hypoglossia is part of a group of malformation syndromes collectively termed
'oromandibular limb hypogenesis syndromes,' that usually include limb defects. Hall
(1971) provided a classification system (see 103300). See also agnathia with holoprosencephaly
(202650), which shows hypoglossia and situs inversus in addition to severe neurodevelopmental
defects.;