Chromosome 3p Inverted Duplication with Terminal Deletion: Second Postnatal Case Report with Additional Clinical Features
Table 1
Comparison of phenotypic features of patients with chromosome 3p duplication with terminal deletion.
Phenotypic Features
Common Features of 3pterp25 Deletion Syndrome
Common Features of Chromosome 3pterp24 Duplications
Our Patient
Jenderny Patient
Kennedy Patient
46XX,der(3)del(3)(p26.3p 26.1)dup(3)(p24.3p26.1)
46,XX,invdup(3)(qter > p26::p26- > p21.3::p26)
46,XY,der(3)del(3)(p26)d up(3)(p26p21.3)
Congenital heart defects
+
+
+
+
Dilated aorta, pulmonary artery
+
Umbilical hernia
+
Cleft lip and palate
-
+
+
Holoprosencephaly
-
+
Meningomyelocele
-
+
Microcephaly
+
+
+
Supernumerary nipple
+
Hemangiomas
+
Trigonocephaly
+
-
Micro/retrognathia
+
-
+
Growth retardation
+
+
-
Feeding difficulties
+
Neutropenia, autoimmune
+(resolved)
Anemia
+(resolved)
Hypothyroidism
+
Hypotonia
+
+
Developmental delay/psychomotor retardation
+
+
+
+
Intellectual disability
+
+
+
Sleep abnormalities
+
Astigmatism
+
Myopia
+
Ptosis
+
+(resolved)
-
Prominent epicanthal folds
1
1
Square-shaped face
+
-
+
Frontal bossing
+
-
+
Temporal indentation
-
+
Prominent cheeks
-
+
Hypertelorism
+
+
+
+
Downslanting palpebral fissures
+
-
Abnormal nose
+
+
Abnormal philtrum
+
+
Down-turned corners of the mouth
+
-
+
Prominent middle upper lip
+
-
Eversion of lips
-
+
Low-set/dysmorphic ears
+
+
+
Short neck
+
-
+
Based on features reported in ≥50% of patients reviewed by Fernandez et al. 2008 [9]. Based on features reported in ≥50% of patients (Case Numbers 12-14, 20, 31, 35, 43, 44) reviewed by Conte et al. 1995 [2]. Blanks indicate features not reported as positive or negative findings in individual patients.