Papulonecrotic tuberculid - Revision history

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			{{Infobox medical condition
			\| name = Papulonecrotic tuberculid
			\| synonyms =
			\| image =
			\| caption =
			\| field = [[Dermatology]]
			\| symptoms = [[Papule]], [[necrosis]], [[ulcer]]
			\| complications =
			\| onset =
			\| duration =
			\| types =
			\| causes = [[Mycobacterium tuberculosis]]
			\| risks =
			\| diagnosis = [[Skin biopsy]], [[tuberculin skin test]]
			\| differential = [[Lichen scrofulosorum]], [[Erythema induratum]]
			\| prevention =
			\| treatment = [[Antitubercular therapy]]
			\| medication =
			\| prognosis =
			\| frequency =
			\| deaths =
			}}
	'''Papulonecrotic tuberculid''' is a skin condition that is considered to be a form of [[tuberculosis]]. It is characterized by recurrent crops of symmetrically distributed 1 to 2 mm [[papules]] that heal with varioliform scarring.		'''Papulonecrotic tuberculid''' is a skin condition that is considered to be a form of [[tuberculosis]]. It is characterized by recurrent crops of symmetrically distributed 1 to 2 mm [[papules]] that heal with varioliform scarring.

	== Signs and Symptoms ==		== Signs and Symptoms ==
	The main symptom of papulonecrotic tuberculid is the appearance of small, necrotic skin papules. These papules are usually symmetrically distributed and often heal with scarring. Other symptoms may include [[fever]], [[malaise]], and [[weight loss]].		The main symptom of papulonecrotic tuberculid is the appearance of small, necrotic skin papules. These papules are usually symmetrically distributed and often heal with scarring. Other symptoms may include [[fever]], [[malaise]], and [[weight loss]].

	== Causes ==		== Causes ==
	Papulonecrotic tuberculid is caused by a hypersensitivity reaction to [[Mycobacterium tuberculosis]]. The bacteria cause an infection in the body, which then triggers an immune response. This immune response results in the formation of the characteristic skin lesions.		Papulonecrotic tuberculid is caused by a hypersensitivity reaction to [[Mycobacterium tuberculosis]]. The bacteria cause an infection in the body, which then triggers an immune response. This immune response results in the formation of the characteristic skin lesions.

	== Diagnosis ==		== Diagnosis ==
	The diagnosis of papulonecrotic tuberculid is typically made based on the clinical presentation and a skin biopsy. The biopsy will show necrotizing granulomatous inflammation, which is characteristic of this condition. Additional tests may be done to confirm the presence of tuberculosis, such as a [[tuberculin skin test]] or a chest x-ray.		The diagnosis of papulonecrotic tuberculid is typically made based on the clinical presentation and a skin biopsy. The biopsy will show necrotizing granulomatous inflammation, which is characteristic of this condition. Additional tests may be done to confirm the presence of tuberculosis, such as a [[tuberculin skin test]] or a chest x-ray.

	== Treatment ==		== Treatment ==
	The treatment for papulonecrotic tuberculid involves treating the underlying tuberculosis infection. This is typically done with a combination of [[antituberculous drugs]]. In some cases, [[corticosteroids]] may also be used to help reduce inflammation.		The treatment for papulonecrotic tuberculid involves treating the underlying tuberculosis infection. This is typically done with a combination of [[antituberculous drugs]]. In some cases, [[corticosteroids]] may also be used to help reduce inflammation.

	== Prognosis ==		== Prognosis ==
	With appropriate treatment, the prognosis for papulonecrotic tuberculid is generally good. However, if left untreated, the condition can lead to significant scarring and disfigurement.		With appropriate treatment, the prognosis for papulonecrotic tuberculid is generally good. However, if left untreated, the condition can lead to significant scarring and disfigurement.

	== See Also ==		== See Also ==
	* [[Tuberculosis]]		* [[Tuberculosis]]
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	* [[Papules]]		* [[Papules]]
	* [[Antituberculous drugs]]		* [[Antituberculous drugs]]

	[[Category:Dermatology]]		[[Category:Dermatology]]
	[[Category:Infectious diseases]]		[[Category:Infectious diseases]]
	[[Category:Tuberculosis]]		[[Category:Tuberculosis]]

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Prab at 17:37, 18 March 2025

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'''Papulonecrotic tuberculid''' is a skin condition that is considered to be a form of [[tuberculosis]]. It is characterized by recurrent crops of symmetrically distributed 1 to 2 mm [[papules]] that heal with varioliform scarring.

== Signs and Symptoms ==
The main symptom of papulonecrotic tuberculid is the appearance of small, necrotic skin papules. These papules are usually symmetrically distributed and often heal with scarring. Other symptoms may include [[fever]], [[malaise]], and [[weight loss]].

== Causes ==
Papulonecrotic tuberculid is caused by a hypersensitivity reaction to [[Mycobacterium tuberculosis]]. The bacteria cause an infection in the body, which then triggers an immune response. This immune response results in the formation of the characteristic skin lesions.

== Diagnosis ==
The diagnosis of papulonecrotic tuberculid is typically made based on the clinical presentation and a skin biopsy. The biopsy will show necrotizing granulomatous inflammation, which is characteristic of this condition. Additional tests may be done to confirm the presence of tuberculosis, such as a [[tuberculin skin test]] or a chest x-ray.

== Treatment ==
The treatment for papulonecrotic tuberculid involves treating the underlying tuberculosis infection. This is typically done with a combination of [[antituberculous drugs]]. In some cases, [[corticosteroids]] may also be used to help reduce inflammation.

== Prognosis ==
With appropriate treatment, the prognosis for papulonecrotic tuberculid is generally good. However, if left untreated, the condition can lead to significant scarring and disfigurement.

== See Also ==
* [[Tuberculosis]]
* [[Mycobacterium tuberculosis]]
* [[Papules]]
* [[Antituberculous drugs]]

[[Category:Dermatology]]
[[Category:Infectious diseases]]
[[Category:Tuberculosis]]

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