PubMed · 14501283
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Susan Sturgeon. 2003. When is "interaction" really interaction?. https://doi.org/10.1097/01.ede.0000081994.85932.64
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Septo-optic dysplasia (SOD) is a heterogeneous disorder. While most cases represent an isolated defect, SOD has also been seen in association with mutations in single genes, as a part of multiple congenital anomaly syndromes and with exposure to various teratogens. We report a boy with features of SOD who also has limb defects suggestive of amniotic bands. This case, in addition to others in the literature, provides evidence for a vascular pathogenesis of SOD in some individuals. This hypothesis is also supported by the sporadic occurrence of SOD and its association with decreased maternal age, vascular teratogens, and neuropathologic findings suggestive of vascular insults.
A boy is described with clinical features including post-natal short stature, short limbs, speech delay, relatively large skull, prominent metopic ridge, wide palpebral fissures, proptosis, epicanthic folds, capillary hemangioma between the eyes and nose, flat nasal bridge, everted and small nares, small ears with a narrow external auditory canal and thick lobes, short neck, brachydactyly, bilateral Simian creases, a single flexion crease of the first and fifth fingers, protruding abdomen, and bilateral cryptorchidism. Radiographs did not show any features of bone dysplasia. However, a delayed bone age was noted. The boy's parents are first cousins. To the best of our knowledge, this constellation of anomalies has not been reported before, and may be considered a new syndrome.