| dyskeratosis congenita | An x-linked syndrome occurring predominantly in males, with onset in childhood and characterised by nail dystrophy, reticular cutaneous hyperpigmentation, mucosal leukokeratosis, and pancytopenia resembling that of fanconi. It is also known as zinsser-cole-engman syndrome. (12 Dec 1998) |
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| ectopia pupillae congenita | Displacement of the pupil present at birth. (05 Mar 2000) |
| fistula auris congenita | A congenital fistula resulting from a defect in the formation of the auricle of the ear. (05 Mar 2000) |
| fistula colli congenita | A congenital fistula of the neck leading to the pharynx, larynx, or trachea. (05 Mar 2000) |