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Blepharophimosis forms a part of blepharophimosis, ptosis, epicanthus inversus syndrome (BPES), also called blepharophimosis syndrome, which is an autosomal dominant condition characterised by blepharophimosis, ptosis (upper eyelid drooping), epicanthus inversus (skin folds by the nasal bridge, more prominent lower than upper lid) and telecanthus (widening of the distance between the inner ...
A flat nasal bridge can be a sign of Down syndrome (Trisomy 21), Fragile X syndrome, 48,XXXY variant Klinefelter syndrome, [2] or Bartarlla-Scott syndrome. An appearance of a widened nasal bridge can be seen with dystopia canthorum, which is a lateral displacement of the inner canthi of the eyes. [3]
The fissure may be increased in vertical height in Graves' disease, which is manifested as Dalrymple's sign. It is seen in disorders such as cri-du-chat syndrome. In animal studies using four times the therapeutic concentration of the ophthalmic solution latanoprost, the size of the palpebral fissure can be increased. The condition is reversible.
The extra chromosome content can arise through several different ways. The most common cause (about 92–95% of cases) is a complete extra copy of chromosome 21, resulting in trisomy 21. [92] [97] In 1–2.5% of cases, some of the cells in the body are normal and others have trisomy 21, known as mosaic Down syndrome.
2p15-16.1 microdeletion is an extremely rare genetic disorder caused by a small deletion in the short arm of human chromosome 2. First described in two patients in 2007, [1] by 2013 only 21 [citation needed] people have been reported as having the disorder in the medical literature. [2] [3] [4] [5]
Other common findings include hypotonia, a round face with full cheeks, epicanthal folds, down-slanting palpebral fissures (eyelids), strabismus, flat nasal bridge, down-turned mouth, low-set ears, short fingers, single palmar creases and cardiac defects (e.g., ventricular septal defect [VSD], atrial septal defect [ASD], patent ductus ...
Trigonocephaly-bifid nose-acral anomalies syndrome is a very rare genetic disorder which is characterized by trigono brachycephaly, narrow forehead, up-ward slanting palpebral fissures, bulbous, slightly bifid nose, macrostomia, thin upper lip, macrognathia (facial dysmorphisms), broad thumbs, rather large toes, broad fingertips with short nail beds, joint hypermobility and fifth finger ...
Some examples of the possible dysmorphic features include: downslanting palpebral fissures, broad nasal bridge, microcephaly, low-set ears, preauricular tags, round faces, short neck, micrognathia, and dental malocclusion, hypertelorism, epicanthal folds, downturned corners of the mouth. There is no specific correlation found between size of ...