Hirschsprung's disease: Difference between revisions

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{{SI}}
{{Infobox medical condition
| name            = Hirschsprung's disease
| image          = [[File:Hirschsprung_acetylcholine.jpg|250px]]
| caption        = Histological image showing absence of ganglion cells in Hirschsprung's disease
| field          = [[Gastroenterology]], [[Pediatric surgery]]
| synonyms        = Congenital aganglionic megacolon
| symptoms        = [[Constipation]], [[abdominal distension]], [[vomiting]], [[failure to thrive]]
| complications  = [[Enterocolitis]], [[bowel obstruction]], [[perforation]]
| onset          = [[Neonatal]]
| duration        = Long-term
| causes          = [[Genetic mutation]]
| risks          = [[Family history]], [[Down syndrome]], [[Waardenburg syndrome]]
| diagnosis      = [[Rectal biopsy]], [[anorectal manometry]], [[contrast enema]]
| differential    = [[Chronic constipation]], [[intestinal pseudo-obstruction]]
| treatment      = [[Surgical resection]] of the affected bowel segment
| medication      = [[Laxatives]], [[antibiotics]] for complications
| prognosis      = Generally good with treatment
| frequency      = 1 in 5,000 live births
| deaths          = Rare with treatment
}}
{{Short description|A congenital condition affecting the colon}}
{{Short description|A congenital condition affecting the colon}}
{{Use dmy dates|date=October 2023}}


== Overview ==
== Introduction ==
[[File:Hirschsprung.jpg|thumb|right|Diagram illustrating the affected colon in Hirschsprung's disease]]
[[File:Hirschsprung.jpg|left|thumb|Diagram illustrating the affected colon in Hirschsprung's disease]]
'''Hirschsprung's disease''' is a congenital condition characterized by the absence of [[ganglion cells]] in the [[colon]], leading to severe [[constipation]] or [[intestinal obstruction]]. This condition is also known as congenital aganglionic megacolon. It is named after the Danish physician [[Harald Hirschsprung]], who first described the condition in 1888.
'''Hirschsprung's disease''' is a congenital condition characterized by the absence of [[ganglion cells]] in the [[colon]], leading to severe [[constipation]] or [[intestinal obstruction]]. This condition is also known as congenital aganglionic megacolon. It is named after the Danish physician [[Harald Hirschsprung]], who first described the condition in 1888.
== Pathophysiology ==
== Pathophysiology ==
In Hirschsprung's disease, the absence of ganglion cells occurs in the [[myenteric plexus]] and [[submucosal plexus]] of the bowel. This results in a lack of peristalsis in the affected segment, causing a functional obstruction. The proximal bowel becomes dilated due to the accumulation of fecal material, leading to the characteristic megacolon.
In Hirschsprung's disease, the absence of ganglion cells occurs in the [[myenteric plexus]] and [[submucosal plexus]] of the bowel. This results in a lack of peristalsis in the affected segment, causing a functional obstruction. The proximal bowel becomes dilated due to the accumulation of fecal material, leading to the characteristic megacolon.
== Clinical Presentation ==
== Clinical Presentation ==
The disease typically presents in [[newborn]]s with symptoms such as failure to pass [[meconium]] within the first 48 hours of life, abdominal distension, and vomiting. In older children, it may present as chronic constipation, [[failure to thrive]], and [[enterocolitis]].
The disease typically presents in [[newborn]]s with symptoms such as failure to pass [[meconium]] within the first 48 hours of life, abdominal distension, and vomiting. In older children, it may present as chronic constipation, [[failure to thrive]], and [[enterocolitis]].
== Diagnosis ==
== Diagnosis ==
Diagnosis is confirmed through a combination of clinical evaluation, radiological imaging, and histopathological examination. A [[barium enema]] may show a transition zone between the normal and affected bowel. A definitive diagnosis is made by a rectal biopsy demonstrating the absence of ganglion cells.
Diagnosis is confirmed through a combination of clinical evaluation, radiological imaging, and histopathological examination. A [[barium enema]] may show a transition zone between the normal and affected bowel. A definitive diagnosis is made by a rectal biopsy demonstrating the absence of ganglion cells.
== Treatment ==
== Treatment ==
The primary treatment for Hirschsprung's disease is surgical. The most common procedure is the pull-through surgery, where the aganglionic segment is resected, and the normal bowel is anastomosed to the [[anus]].
The primary treatment for Hirschsprung's disease is surgical. The most common procedure is the pull-through surgery, where the aganglionic segment is resected, and the normal bowel is anastomosed to the [[anus]].
== Prognosis ==
== Prognosis ==
With appropriate surgical intervention, most children with Hirschsprung's disease can lead normal lives. However, some may experience complications such as enterocolitis, fecal incontinence, or constipation post-surgery.
With appropriate surgical intervention, most children with Hirschsprung's disease can lead normal lives. However, some may experience complications such as enterocolitis, fecal incontinence, or constipation post-surgery.
 
== See also ==
== Related pages ==
* [[Congenital disorder]]
* [[Congenital disorder]]
* [[Intestinal obstruction]]
* [[Intestinal obstruction]]
* [[Pediatric surgery]]
* [[Pediatric surgery]]
[[Category:Congenital disorders of digestive system]]
[[Category:Congenital disorders of digestive system]]
[[Category:Pediatric diseases]]
[[Category:Pediatric diseases]]

Latest revision as of 04:20, 7 April 2025

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
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Hirschsprung's disease
File:Hirschsprung acetylcholine.jpg
Synonyms Congenital aganglionic megacolon
Pronounce N/A
Specialty N/A
Symptoms Constipation, abdominal distension, vomiting, failure to thrive
Complications Enterocolitis, bowel obstruction, perforation
Onset Neonatal
Duration Long-term
Types N/A
Causes Genetic mutation
Risks Family history, Down syndrome, Waardenburg syndrome
Diagnosis Rectal biopsy, anorectal manometry, contrast enema
Differential diagnosis Chronic constipation, intestinal pseudo-obstruction
Prevention N/A
Treatment Surgical resection of the affected bowel segment
Medication Laxatives, antibiotics for complications
Prognosis Generally good with treatment
Frequency 1 in 5,000 live births
Deaths Rare with treatment


A congenital condition affecting the colon


Introduction[edit]

File:Hirschsprung.jpg
Diagram illustrating the affected colon in Hirschsprung's disease

Hirschsprung's disease is a congenital condition characterized by the absence of ganglion cells in the colon, leading to severe constipation or intestinal obstruction. This condition is also known as congenital aganglionic megacolon. It is named after the Danish physician Harald Hirschsprung, who first described the condition in 1888.

Pathophysiology[edit]

In Hirschsprung's disease, the absence of ganglion cells occurs in the myenteric plexus and submucosal plexus of the bowel. This results in a lack of peristalsis in the affected segment, causing a functional obstruction. The proximal bowel becomes dilated due to the accumulation of fecal material, leading to the characteristic megacolon.

Clinical Presentation[edit]

The disease typically presents in newborns with symptoms such as failure to pass meconium within the first 48 hours of life, abdominal distension, and vomiting. In older children, it may present as chronic constipation, failure to thrive, and enterocolitis.

Diagnosis[edit]

Diagnosis is confirmed through a combination of clinical evaluation, radiological imaging, and histopathological examination. A barium enema may show a transition zone between the normal and affected bowel. A definitive diagnosis is made by a rectal biopsy demonstrating the absence of ganglion cells.

Treatment[edit]

The primary treatment for Hirschsprung's disease is surgical. The most common procedure is the pull-through surgery, where the aganglionic segment is resected, and the normal bowel is anastomosed to the anus.

Prognosis[edit]

With appropriate surgical intervention, most children with Hirschsprung's disease can lead normal lives. However, some may experience complications such as enterocolitis, fecal incontinence, or constipation post-surgery.

See also[edit]