Presentation
Weiner, Bernard Gonik, Caroline Crowther, and Stephen Robson present an evidence-based approach to the available management options, equipping you with the most appropriate strategy for each patient. [books.google.com]
[…] may be present include: polyhydramnios development of hydrops fetalis Treatment and prognosis The prognosis is generally poor, with most infants being stillborn or dying soon after birth. [radiopaedia.org]
Get Update Overview Achondrogenesis is a group of severe disorders that are present from birth and affect the development of cartilage and bone. [diseaseinfosearch.org]
In 1983, Whitley and Gorlin reviewed 79 cases that presented with a lethal neonatal chondrodysplasia. Affected infants had a short trunk, extreme micromelia, and a disproportionately large cranium. [mhmedical.com]
Página 51 - Selective IgA deficiency: presentation of 30 cases and a review of the literature. Página 188 - Dudding, BA, Gorlin, RJ, and Langer, LO: The oto-palato-digital syndrome. [books.google.es]
Entire Body System
- Short Stature
short stature Short limb dwarfism, disproportionate Short-limbed dwarfism [ more ] 0008873 Disproportionate short-trunk short stature Disproportionate short-trunked dwarfism Disproportionate short-trunked short stature Short-trunked dwarfism [ more ] [rarediseases.info.nih.gov]
Patients with STLI usually have normal stature and premature OA of many joints [ 8, 9 ], while all our patients (III:1 and II:3) had short stature (−8 to −9 SD at adulthood). [bmcmedgenet.biomedcentral.com]
Background: Achondrogenesis is a skeletal dysplasia characterized primarily by short stature, severe micromelia, short and narrow chest, prematurity, polyhydramnios, fetal hydrops, and in utero or neonatal death. [ncbi.nlm.nih.gov]
Achondrogenesis II-hypochondrogenesis and lethal spondyloepiphyseal dysplasia congenita (SEDC) represent the more severe end of the spectrum. [7] These entities are characterized by severe disproportionate short stature of prenatal onset. [emedicine.medscape.com]
- Asymptomatic
Monostotic fibrous dysplasia is usually asymptomatic, a radiologist's curiosity. Often one side of the jaw is involved, producing a distinctive asymmetry of the lower face. [pathguy.com]
Musculoskeletal
- Short Trunk
[…] by severe bone dysplasia of all four limbs, micromelia, enlarged cranium, and a short trunk with delayed or absent ossification of the lower spine and pubic bones. [medical-dictionary.thefreedictionary.com]
Affected infants had a short trunk, extreme micromelia, and a disproportionately large cranium. [mhmedical.com]
and short trunk. [rarediseases.info.nih.gov]
Achondrogenesis is a genetic disorder that results in skeletal abnormalities such as small limbs, short trunk and a narrow chest. It occurs when a person’s body does not produce enough growth hormone. [onlymyhealth.com]
- Macrocephaly
Additional sonographic findings include: micrognathia macrocephaly frontal bossing flat face anteverted nares long philtrum narrow fetal thorax lung aplasia / hypoplasia rib fractures may be present in type 1A Other ancillary sonographic features that [radiopaedia.org]
[…] upper limb ( Cleidocranial dysostosis, Madelung's deformity, Sprengel's deformity) knee ( Genu valgum, Genu varum ) Arthrogryposis Skull and face bones Craniosynostosis ( Scaphocephaly ) - Trigonocephaly - Oxycephaly - Crouzon syndrome - Hypertelorism - Macrocephaly [bionity.com]
[…] upturned Upturned nasal tip Upturned nose Upturned nostrils [ more ] 0000463 Aplasia/Hypoplasia of the lungs Absent/small lungs Absent/underdeveloped lungs [ more ] 0006703 Flat face Flat facial shape 0012368 Frontal bossing 0002007 Long philtrum 0000343 Macrocephaly [rarediseases.info.nih.gov]
- Severe Short Stature
short stature Dwarfism Proportionate dwarfism Short stature, severe [ more ] 0003510 Short neck Decreased length of neck 0000470 Short nose Decreased length of nose Shortened nose [ more ] 0003196 Short thorax Shorter than typical length between neck [rarediseases.info.nih.gov]
- Long Arm
It is the diastrophic dysplasia sulfate transporter gene (DTDST), which is located on the long arm of chromosome 5 (5q32-q33 specifically). [encyclopedia.com]
People in retinoblastoma families are at much greater risk, and deletions of the Rb anti-oncogene on long arm of chromosome 13 are the rule in osteosarcomas. [pathguy.com]
Face, Head & Neck
- Short Neck
A dwarfed fetus with large head, short neck and chest, prominent abdomen and short limbs was terminated transvaginally. Radiologic and histopathologic examination revealed features of mild form of achondrogenesis type II. [ncbi.nlm.nih.gov]
External morphology revealed a relatively large head, short upper and lower extremities, short neck, and distended abdomen. [jpatholtm.org]
Note the disproportionately large head, large and prominent forehead, flat facial plane, flat nasal bridge, small nose with severely anteverted nostrils, micrognathia, extremely short neck, short and flared thorax, protuberant abdomen, and extremely short [emedicine.medscape.com]
Signs and symptoms Traits found in all subtypes of achondrogenesis All infants with achondrogenesis share these characteristics: an extremely short neck, underdeveloped lungs, a protuberant abdomen, low birth weight, extremely short limbs (micromelia) [encyclopedia.com]
[…] stature Dwarfism Proportionate dwarfism Short stature, severe [ more ] 0003510 Short neck Decreased length of neck 0000470 Short nose Decreased length of nose Shortened nose [ more ] 0003196 Short thorax Shorter than typical length between neck and abdomen [rarediseases.info.nih.gov]
- Frontal Bossing
Additional sonographic findings include: micrognathia macrocephaly frontal bossing flat face anteverted nares long philtrum narrow fetal thorax lung aplasia / hypoplasia rib fractures may be present in type 1A Other ancillary sonographic features that [radiopaedia.org]
bossing 0002007 Long philtrum 0000343 Macrocephaly Increased size of skull Large head Large head circumference [ more ] 0000256 Micrognathia Little lower jaw Small jaw Small lower jaw [ more ] 0000347 Narrow chest Low chest circumference Narrow shoulders [rarediseases.info.nih.gov]
Treatment
Treatment - Achondrogenesis type 2 Treatment of achondrogenesis is symptomatic and supportive and involves palliative care, in which physicians attempt to reduce or minimize pain, stress and specific symptoms associated with the disorder. [checkorphan.org]
Prepare for clinical challenges and save time in addressing them thanks to expert advice on treatment options from international contributors. [books.google.com]
CLOSE Medical Disclaimer The medical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. [diseaseinfosearch.org]
There is no treatment for Achondrogenesis. The only real option available to parents is genetic counselling to screen for the birth defect and make an informed choice in consultation with their doctor. [myvmc.com]
No treatments exist for the disorder. Care focuses on making the baby as comfortable as possible for the duration of their life. [healthline.com]
Prognosis
The prognosis is generally poor, with most infants being stillborn or dying soon after birth. [radiopaedia.org]
Prognosis of Developmental Bone Birth Defect (Achondrogenesis) The outcome of this birth defect is generally very poor. [myvmc.com]
Prognosis - Achondrogenesis type 2 This disorder is fatal at birth or soon after. [checkorphan.org]
Follow-up prognosis was even worse after the autopsy, or at least that’s what we were told. Frankly, it’s done. I don’t want to know much more. The hardest thing for me to overcome, besides the crippling grief, is the word abortion. [endingawantedpregnancy.com]
The prognosis for soft-tissue leiomyosarcoma is still generally guarded: Cancer 109 : 282, 2007. * The inferior vena cava is a fairly common site. The prognosis is still poor (Am. J. Surg. 201 : e18, 2011; J. Am. [pathguy.com]
Etiology
Etiology ... Classification ... Clinical features ... Diagnosis and differential diagnosis ... Associated anomalies ... Prognosis ... Type of inheritance ... [ibis-birthdefects.org]
This led us to hypothesize that the etiologic mutation was in COL2A1. WES identified a five-base pair deletion in this gene. [bmcmedgenet.biomedcentral.com]
Putting together what we know about the etiology of Paget's: J. Clin. Inv. 115 : 200, 2005. The fundamental lesion is that osteoclast precursors are too sensitive to factors that transform them into osteoclasts. [pathguy.com]
Epidemiology
Not only are good current epidemiologic studies not there (meta-analysis BMJ 333 : 775, 2006), the idea also doesn't make sense -- osteoporosis reflects a lack of matrix protein, not a lack of calcium. [pathguy.com]
Pathophysiology
Pathophysiology Mutation series of the DDST gene have been observed in achondrogenesis type IB patients. Compound heterozygosity or homozygosity for the mutations is associated with achodrogenesis type IB. [medigest.uk]
Pathophysiology A series of mutations in the DDST gene has been identified in patients with achondrogenesis type IB.5, 6 Homozygosity or compound heterozygosity for these mutations, which leads to premature stop codons or structural mutations in transmembrane [odlarmed.com]
Prevention
Mutations in the COL2A1 gene interfere with the assembly of type II collagen molecules, which prevents bones and other connective tissues from developing properly. Read more at Wikipedia.org [the-medical-dictionary.com]
Mutations in the TRIP11 gene prevent the production of functional GMAP-210, which alters the structure and function of the Golgi apparatus. [ghr.nlm.nih.gov]
Achondrogenesis- type 4, ACG2, Achondrogenesis, Langer-Saldino type, Langer-Saldino achondrogenesis, Chondrogenesis imperfecta Symptoms - Achondrogenesis type 2 Causes - Achondrogenesis type 2 Prevention - Achondrogenesis type 2 Not supplied. [checkorphan.org]
Mutations in the COL2A1 gene interfere with the assembly of type II collagen molecules, which prevents bones and other connective tissues from developing properly. [bionity.com]
What parent could allow their child to suffer, even for a minute, if they could prevent it? We couldn’t let her be hurt, not our little girl. That, and we were warned of the risks to me, if we waited. [endingawantedpregnancy.com]