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← Older revision		Revision as of 02:49, 6 April 2025
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			{{SI}}
			{{Infobox medical condition
			\| name = Kirner's deformity
			\| image = [[File:Autosomal_dominant_-_en.svg\|200px]]
			\| alt =
			\| caption = Kirner's deformity is often inherited in an [[autosomal dominant]] pattern.
			\| field = [[Orthopedics]]
			\| symptoms = Curvature of the distal phalanx of the [[fifth finger]]
			\| complications =
			\| onset = Childhood
			\| duration =
			\| types =
			\| causes = [[Genetic]]
			\| risks =
			\| diagnosis = [[Physical examination]], [[X-ray]]
			\| differential =
			\| prevention =
			\| treatment = [[Surgery]]
			\| medication =
			\| prognosis =
			\| frequency = Rare
			}}
	{{Short description\|A rare deformity of the fifth finger}}		{{Short description\|A rare deformity of the fifth finger}}
	~~{{Use dmy dates\|date=October 2023}}~~

	'''Kirner's deformity''' is a rare [[musculoskeletal disorder]] characterized by a progressive curvature of the distal phalanx of the [[fifth finger]] (little finger) in a palmar and radial direction. This condition is typically observed in children and adolescents and is often bilateral.		'''Kirner's deformity''' is a rare [[musculoskeletal disorder]] characterized by a progressive curvature of the distal phalanx of the [[fifth finger]] (little finger) in a palmar and radial direction. This condition is typically observed in children and adolescents and is often bilateral.

	==Presentation==		==Presentation==
	Kirner's deformity usually presents during childhood or early adolescence. The deformity is characterized by a painless, progressive curvature of the distal phalanx of the little finger. The curvature is typically directed towards the palm and the radial side of the hand. In most cases, the condition is bilateral, affecting both hands.		Kirner's deformity usually presents during childhood or early adolescence. The deformity is characterized by a painless, progressive curvature of the distal phalanx of the little finger. The curvature is typically directed towards the palm and the radial side of the hand. In most cases, the condition is bilateral, affecting both hands.

	==Etiology==		==Etiology==
	The exact cause of Kirner's deformity is unknown. However, it is believed to have a genetic component, as it can occur in families. The condition is often associated with [[autosomal dominant]] inheritance patterns, although sporadic cases have also been reported.		The exact cause of Kirner's deformity is unknown. However, it is believed to have a genetic component, as it can occur in families. The condition is often associated with [[autosomal dominant]] inheritance patterns, although sporadic cases have also been reported.

	~~[[File:Autosomal_dominant_-_en.svg\|Autosomal dominant inheritance pattern\|thumb\|right]]~~

	==Pathophysiology==		==Pathophysiology==
	The pathophysiology of Kirner's deformity involves abnormal growth of the distal phalanx of the fifth finger. This abnormal growth leads to the characteristic curvature of the finger. The underlying bone may show changes such as sclerosis and irregularity, which can be observed on [[radiographic imaging]].		The pathophysiology of Kirner's deformity involves abnormal growth of the distal phalanx of the fifth finger. This abnormal growth leads to the characteristic curvature of the finger. The underlying bone may show changes such as sclerosis and irregularity, which can be observed on [[radiographic imaging]].

	==Diagnosis==		==Diagnosis==
	Diagnosis of Kirner's deformity is primarily clinical, based on the characteristic appearance of the finger. [[X-ray]] imaging can be used to confirm the diagnosis and assess the extent of the deformity. The X-ray typically shows a ventral and radial curvature of the distal phalanx with possible bone changes.		Diagnosis of Kirner's deformity is primarily clinical, based on the characteristic appearance of the finger. [[X-ray]] imaging can be used to confirm the diagnosis and assess the extent of the deformity. The X-ray typically shows a ventral and radial curvature of the distal phalanx with possible bone changes.

	==Management==		==Management==
	In most cases, Kirner's deformity is a benign condition that does not require treatment. However, if the deformity is severe or causes functional impairment, surgical intervention may be considered. Surgical options include corrective osteotomy or epiphysiodesis to straighten the affected phalanx.		In most cases, Kirner's deformity is a benign condition that does not require treatment. However, if the deformity is severe or causes functional impairment, surgical intervention may be considered. Surgical options include corrective osteotomy or epiphysiodesis to straighten the affected phalanx.

	==Prognosis==		==Prognosis==
	The prognosis for individuals with Kirner's deformity is generally good. The condition is usually painless and does not progress to cause significant functional impairment. In cases where surgery is performed, the outcome is typically favorable with improved finger alignment.		The prognosis for individuals with Kirner's deformity is generally good. The condition is usually painless and does not progress to cause significant functional impairment. In cases where surgery is performed, the outcome is typically favorable with improved finger alignment.
			==See also==
	==~~Related pages~~==
	* [[Clinodactyly]]		* [[Clinodactyly]]
	* [[Camptodactyly]]		* [[Camptodactyly]]
	* [[Brachydactyly]]		* [[Brachydactyly]]

	[[Category:Congenital disorders of musculoskeletal system]]		[[Category:Congenital disorders of musculoskeletal system]]
	[[Category:Genetic disorders with no OMIM]]		[[Category:Genetic disorders with no OMIM]]

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{{Short description|A rare deformity of the fifth finger}}
{{Use dmy dates|date=October 2023}}

'''Kirner's deformity''' is a rare [[musculoskeletal disorder]] characterized by a progressive curvature of the distal phalanx of the [[fifth finger]] (little finger) in a palmar and radial direction. This condition is typically observed in children and adolescents and is often bilateral.

==Presentation==
Kirner's deformity usually presents during childhood or early adolescence. The deformity is characterized by a painless, progressive curvature of the distal phalanx of the little finger. The curvature is typically directed towards the palm and the radial side of the hand. In most cases, the condition is bilateral, affecting both hands.

==Etiology==
The exact cause of Kirner's deformity is unknown. However, it is believed to have a genetic component, as it can occur in families. The condition is often associated with [[autosomal dominant]] inheritance patterns, although sporadic cases have also been reported.

[[File:Autosomal_dominant_-_en.svg|Autosomal dominant inheritance pattern|thumb|right]]

==Pathophysiology==
The pathophysiology of Kirner's deformity involves abnormal growth of the distal phalanx of the fifth finger. This abnormal growth leads to the characteristic curvature of the finger. The underlying bone may show changes such as sclerosis and irregularity, which can be observed on [[radiographic imaging]].

==Diagnosis==
Diagnosis of Kirner's deformity is primarily clinical, based on the characteristic appearance of the finger. [[X-ray]] imaging can be used to confirm the diagnosis and assess the extent of the deformity. The X-ray typically shows a ventral and radial curvature of the distal phalanx with possible bone changes.

==Management==
In most cases, Kirner's deformity is a benign condition that does not require treatment. However, if the deformity is severe or causes functional impairment, surgical intervention may be considered. Surgical options include corrective osteotomy or epiphysiodesis to straighten the affected phalanx.

==Prognosis==
The prognosis for individuals with Kirner's deformity is generally good. The condition is usually painless and does not progress to cause significant functional impairment. In cases where surgery is performed, the outcome is typically favorable with improved finger alignment.

==Related pages==
* [[Clinodactyly]]
* [[Camptodactyly]]
* [[Brachydactyly]]

[[Category:Congenital disorders of musculoskeletal system]]
[[Category:Genetic disorders with no OMIM]]

Kirner's deformity - Revision history

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