Case Report

Idiopathic Central Precocious Puberty Associated with 11 Mb De Novo Distal Deletion of the Chromosome 9 Short Arm

Table 1

Clinical features of 9p-syndrome, as described in OMIM web site [11], compared to the clinical features presented by our patient affected of 9p-syndrome due to 9p24.3-p23 deletion.

Category FeaturesPresent case

Head TrigonocephalyNo

Face Midface hypoplasiaNo
Long philtrumYes
Micrognathia No

Ears Low-set earsYes
Malformed earsNo
Posteriorly angulated earsYes

Eyes Upslanting palpebral fissuresYes
HypertelorismYes
Epicanthal foldsYes
Small palpebral fissuresYes
MyopiaNo
High-arched eyebrowsYes

Nose Flat nasal bridgeYes
Anteverted naresNo
Choanal atresiaNo

Mouth Thin upper lipYes
MicrostomiaNo
High narrow palateYes

NeckShort neckNo

Heart Heart murmurs Yes
Congenital cardiac malformations No
Atrial septal defect No
Ventricular septal defect No
Patent ductus arteriosusNo

Breasts Widely spaced nipplesNo

Abdomen Inguinal herniaYes
Omphalocele No

Skeletal ScoliosisNo
Tapering fingersNo
Pes planusNo

Skin, nails, and hairPale skinYes
Hyperconvex nailsNo
High arched eyebrowsNo

CNSMental retardation Yes
Delayed psychomotor development Yes
Speech delay Yes
HypotoniaYes

Central precocious puberty

Short metacarpal
Short metatarsal

Wide mouth
Dental crowding
Geographic tongue

Ungueal decalcification

Low anterior hairline
Synophrys