Polymelia: Difference between revisions
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{{SI}} | |||
{{Infobox medical condition | |||
| name = Polymelia | |||
| image = [[File:Radiograph_of_a_child_with_polymelia.jpg|250px]] | |||
| caption = Radiograph of a child with polymelia | |||
| field = [[Medical genetics]] | |||
| synonyms = Supernumerary limbs | |||
| symptoms = Presence of extra limbs | |||
| complications = [[Mobility impairment]], [[surgical complications]] | |||
| onset = Congenital | |||
| duration = Lifelong | |||
| causes = [[Genetic mutation]], [[embryological development errors]] | |||
| risks = [[Genetic predisposition]], [[teratogens]] | |||
| diagnosis = [[Physical examination]], [[imaging studies]] | |||
| differential = [[Polydactyly]], [[Sirenomelia]] | |||
| prevention = None | |||
| treatment = [[Surgical removal]] of extra limbs | |||
| prognosis = Varies depending on associated conditions | |||
| frequency = Rare | |||
}} | |||
[[File:Female_child_with_polymelia.jpg|Female child with polymelia|thumb|left]] | |||
[[File:Monsters_&_Prodigies_14.jpg|Polymelia|thumb]] | |||
[[File:Deformed_steer_(1).JPG|Deformed steer with polymelia|thumb|left]] | |||
[[File:Kiev-UkrainianNationalChernobylMuseum_15.jpg|Polymelia|thumb]] | |||
'''Polymelia''' is a birth defect in which the affected individual has more than the usual number of limbs. This condition is a type of [[congenital physical anomaly]] in humans, as well as animals. Polymelia occurs in the developing fetus due to an irregularity in cell division during the early stages of [[embryonic development]]. | '''Polymelia''' is a birth defect in which the affected individual has more than the usual number of limbs. This condition is a type of [[congenital physical anomaly]] in humans, as well as animals. Polymelia occurs in the developing fetus due to an irregularity in cell division during the early stages of [[embryonic development]]. | ||
==Causes== | ==Causes== | ||
Polymelia is caused by the disruption of normal cell activity during embryonic development. This can occur due to a variety of factors, including genetic mutations, exposure to harmful substances, or complications during pregnancy. The exact cause of polymelia is often difficult to determine, as it can be influenced by a combination of genetic and environmental factors. | Polymelia is caused by the disruption of normal cell activity during embryonic development. This can occur due to a variety of factors, including genetic mutations, exposure to harmful substances, or complications during pregnancy. The exact cause of polymelia is often difficult to determine, as it can be influenced by a combination of genetic and environmental factors. | ||
==Types== | ==Types== | ||
There are several types of polymelia, which are classified based on the location and number of extra limbs. These include: | There are several types of polymelia, which are classified based on the location and number of extra limbs. These include: | ||
* '''Dipus''': This type of polymelia is characterized by the presence of two extra limbs. | * '''Dipus''': This type of polymelia is characterized by the presence of two extra limbs. | ||
* '''Tripus''': This type involves the presence of three extra limbs. | * '''Tripus''': This type involves the presence of three extra limbs. | ||
* '''Tetrapus''': In this type, the individual has four extra limbs. | * '''Tetrapus''': In this type, the individual has four extra limbs. | ||
* '''Pentapus''': This is a rare form of polymelia in which the individual has five extra limbs. | * '''Pentapus''': This is a rare form of polymelia in which the individual has five extra limbs. | ||
==Treatment== | ==Treatment== | ||
The treatment for polymelia involves surgical removal of the extra limbs. This is usually performed during infancy or early childhood, to prevent complications and improve the individual's quality of life. The surgery involves careful planning and precision, to avoid damaging the surrounding tissues and organs. | The treatment for polymelia involves surgical removal of the extra limbs. This is usually performed during infancy or early childhood, to prevent complications and improve the individual's quality of life. The surgery involves careful planning and precision, to avoid damaging the surrounding tissues and organs. | ||
==See also== | ==See also== | ||
* [[Congenital anomalies]] | * [[Congenital anomalies]] | ||
* [[Embryonic development]] | * [[Embryonic development]] | ||
* [[Genetic mutation]] | * [[Genetic mutation]] | ||
==References== | ==References== | ||
<references /> | <references /> | ||
{{stub}} | {{stub}} | ||
[[Category:Medical conditions]] | [[Category:Medical conditions]] | ||
[[Category:Congenital disorders]] | [[Category:Congenital disorders]] | ||
[[Category:Rare diseases]] | [[Category:Rare diseases]] | ||
Latest revision as of 10:15, 13 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD medical weight loss NYC and sleep center NYC
| Polymelia | |
|---|---|
| |
| Synonyms | Supernumerary limbs |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Presence of extra limbs |
| Complications | Mobility impairment, surgical complications |
| Onset | Congenital |
| Duration | Lifelong |
| Types | N/A |
| Causes | Genetic mutation, embryological development errors |
| Risks | Genetic predisposition, teratogens |
| Diagnosis | Physical examination, imaging studies |
| Differential diagnosis | Polydactyly, Sirenomelia |
| Prevention | None |
| Treatment | Surgical removal of extra limbs |
| Medication | N/A |
| Prognosis | Varies depending on associated conditions |
| Frequency | Rare |
| Deaths | N/A |
.JPG)
Polymelia is a birth defect in which the affected individual has more than the usual number of limbs. This condition is a type of congenital physical anomaly in humans, as well as animals. Polymelia occurs in the developing fetus due to an irregularity in cell division during the early stages of embryonic development.
Causes[edit]
Polymelia is caused by the disruption of normal cell activity during embryonic development. This can occur due to a variety of factors, including genetic mutations, exposure to harmful substances, or complications during pregnancy. The exact cause of polymelia is often difficult to determine, as it can be influenced by a combination of genetic and environmental factors.
Types[edit]
There are several types of polymelia, which are classified based on the location and number of extra limbs. These include:
- Dipus: This type of polymelia is characterized by the presence of two extra limbs.
- Tripus: This type involves the presence of three extra limbs.
- Tetrapus: In this type, the individual has four extra limbs.
- Pentapus: This is a rare form of polymelia in which the individual has five extra limbs.
Treatment[edit]
The treatment for polymelia involves surgical removal of the extra limbs. This is usually performed during infancy or early childhood, to prevent complications and improve the individual's quality of life. The surgery involves careful planning and precision, to avoid damaging the surrounding tissues and organs.
See also[edit]
References[edit]
<references />
