Prab: CSV import

2025-04-08T04:07:06Z

CSV import

← Older revision		Revision as of 04:07, 8 April 2025
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	= Miliary ~~Tuberculosis~~ and ~~Hematogenous Dissemination~~ =		{{SI}}
			{{Infobox medical condition
	[[File:Chest radiograph of miliary tuberculosis 1.jpg\|thumb\|500px\|Chest radiograph of miliary tuberculosis]]		\| name = Miliary tuberculosis
			\| image = [[File:PulmonaryTBCXR.png\|left\|thumb\|Chest X-ray showing miliary tuberculosis]]
	~~== Introduction ==~~		\| caption = Chest X-ray showing miliary tuberculosis
			\| field = [[Infectious disease]]
			\| symptoms = [[Fever]], [[night sweats]], [[weight loss]], [[cough]], [[shortness of breath]]
			\| complications = [[Respiratory failure]], [[meningitis]], [[hepatitis]]
			\| onset = Gradual
			\| duration = Weeks to months
			\| causes = [[Mycobacterium tuberculosis]]
			\| risks = [[HIV/AIDS]], [[immunosuppression]], [[malnutrition]]
			\| diagnosis = [[Chest X-ray]], [[CT scan]], [[tuberculin skin test]], [[interferon-gamma release assays]], [[sputum culture]]
			\| differential = [[Sarcoidosis]], [[histoplasmosis]], [[coccidioidomycosis]]
			\| treatment = [[Antibiotics]] such as [[isoniazid]], [[rifampicin]], [[ethambutol]], [[pyrazinamide]]
			\| prognosis = Variable, depends on early diagnosis and treatment
			\| frequency = Rare in developed countries, more common in developing regions
			}}
			[[File:Chest radiograph of miliary tuberculosis 1.jpg\|left\|thumb\|500px\|Chest radiograph of miliary tuberculosis]]
	'''Miliary Tuberculosis (TB)''' is a form of [[tuberculosis]] characterized by a wide dissemination into the human body and the tiny size of the lesions (resembling millet seeds). It results from the hematogenous spread of [[Mycobacterium tuberculosis]] and represents a severe, often life-threatening form of TB.		'''Miliary Tuberculosis (TB)''' is a form of [[tuberculosis]] characterized by a wide dissemination into the human body and the tiny size of the lesions (resembling millet seeds). It results from the hematogenous spread of [[Mycobacterium tuberculosis]] and represents a severe, often life-threatening form of TB.

	<youtube>		<youtube>
	title='''{{PAGENAME}}'''		title='''{{PAGENAME}}'''
	movie_url=http://www.youtube.com/v/6P6zBHpWiGA		movie_url=http://www.youtube.com/v/6P6zBHpWiGA
	&rel=1		&rel=1
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	height=600		height=600
	</youtube>		</youtube>

	== Pathophysiology ==		== Pathophysiology ==
	=== Hematogenous Dissemination ===		=== Hematogenous Dissemination ===
	Hematogenous dissemination occurs when Mycobacterium tuberculosis spreads through the bloodstream to various organs. This can happen in both primary infection and reactivation of latent TB.		Hematogenous dissemination occurs when Mycobacterium tuberculosis spreads through the bloodstream to various organs. This can happen in both primary infection and reactivation of latent TB.

	=== Characteristics of Lesions ===		=== Characteristics of Lesions ===
	The lesions in miliary TB are small, typically 1-5 mm in diameter, and resemble millet seeds in appearance, hence the name 'miliary'.		The lesions in miliary TB are small, typically 1-5 mm in diameter, and resemble millet seeds in appearance, hence the name 'miliary'.

	== Epidemiology ==		== Epidemiology ==
	Miliary TB is more common in:		Miliary TB is more common in:
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	* Young children and the elderly		* Young children and the elderly
	* Patients with a history of TB or latent TB infection		* Patients with a history of TB or latent TB infection

	== Clinical Features ==		== Clinical Features ==
	Patients with miliary TB may present with:		Patients with miliary TB may present with:
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	* Cough and difficulty breathing		* Cough and difficulty breathing
	* Organ-specific symptoms depending on the area of dissemination		* Organ-specific symptoms depending on the area of dissemination

	== Diagnosis ==		== Diagnosis ==
	=== Methods of Diagnosis ===		=== Methods of Diagnosis ===
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	* '''CT Scan or MRI''': For more detailed imaging of affected organs		* '''CT Scan or MRI''': For more detailed imaging of affected organs
	* '''Tuberculin Skin Test''' and '''IGRA (Interferon Gamma Release Assays)''': To detect TB infection		* '''Tuberculin Skin Test''' and '''IGRA (Interferon Gamma Release Assays)''': To detect TB infection

	== Treatment ==		== Treatment ==
	Treatment involves a combination of [[antituberculosis drugs]] for an extended period, often lasting 6-12 months. The regimen typically includes:		Treatment involves a combination of [[antituberculosis drugs]] for an extended period, often lasting 6-12 months. The regimen typically includes:
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	* Pyrazinamide		* Pyrazinamide
	* Ethambutol		* Ethambutol

	== Prevention ==		== Prevention ==
	Preventive strategies include:		Preventive strategies include:
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	* Early detection and treatment of latent TB infection		* Early detection and treatment of latent TB infection
	* Public health measures to reduce the transmission of TB		* Public health measures to reduce the transmission of TB

	== Complications and Prognosis ==		== Complications and Prognosis ==
	Untreated miliary TB can lead to serious complications, including:		Untreated miliary TB can lead to serious complications, including:
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	* Meningitis		* Meningitis
	* Death		* Death

	The prognosis improves significantly with timely and adequate treatment.		The prognosis improves significantly with timely and adequate treatment.

	== Public Health and Global Impact ==		== Public Health and Global Impact ==
	Miliary TB is a significant public health challenge, particularly in regions with high rates of TB and HIV co-infection.		Miliary TB is a significant public health challenge, particularly in regions with high rates of TB and HIV co-infection.

	== References ==		== References ==
	<references>		<references>
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	* [https://www.cdc.gov/tb/ Centers for Disease Control and Prevention - Tuberculosis]		* [https://www.cdc.gov/tb/ Centers for Disease Control and Prevention - Tuberculosis]
	</references>		</references>

	== External Links ==		== External Links ==
	* [https://www.who.int/ World Health Organization]		* [https://www.who.int/ World Health Organization]
	* [https://www.cdc.gov/ Centers for Disease Control and Prevention]		* [https://www.cdc.gov/ Centers for Disease Control and Prevention]

	== See Also ==		== See Also ==
	* [[Tuberculosis]]		* [[Tuberculosis]]
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	* [[Latent Tuberculosis]]		* [[Latent Tuberculosis]]
	* [[Antituberculosis Drugs]]		* [[Antituberculosis Drugs]]

	[[Category:Tuberculosis]]		[[Category:Tuberculosis]]
	[[Category:Infectious Diseases]]		[[Category:Infectious Diseases]]
	{{stub}}		{{stub}}

Kondreddy Naveen at 21:50, 20 December 2023

2023-12-20T21:50:21Z

New page

= Miliary Tuberculosis and Hematogenous Dissemination =

[[File:Chest radiograph of miliary tuberculosis 1.jpg|thumb|500px|Chest radiograph of miliary tuberculosis]]

== Introduction ==
'''Miliary Tuberculosis (TB)''' is a form of [[tuberculosis]] characterized by a wide dissemination into the human body and the tiny size of the lesions (resembling millet seeds). It results from the hematogenous spread of [[Mycobacterium tuberculosis]] and represents a severe, often life-threatening form of TB.

<youtube>
title='''{{PAGENAME}}'''
movie_url=http://www.youtube.com/v/6P6zBHpWiGA
&rel=1
embed_source_url=http://www.youtube.com/v/6P6zBHpWiGA
&rel=1
wrap = yes
width=750
height=600
</youtube>

== Pathophysiology ==
=== Hematogenous Dissemination ===
Hematogenous dissemination occurs when Mycobacterium tuberculosis spreads through the bloodstream to various organs. This can happen in both primary infection and reactivation of latent TB.

=== Characteristics of Lesions ===
The lesions in miliary TB are small, typically 1-5 mm in diameter, and resemble millet seeds in appearance, hence the name 'miliary'.

== Epidemiology ==
Miliary TB is more common in:
* Individuals with weakened immune systems, such as those with HIV/AIDS
* Young children and the elderly
* Patients with a history of TB or latent TB infection

== Clinical Features ==
Patients with miliary TB may present with:
* Fever and night sweats
* Weight loss and fatigue
* Cough and difficulty breathing
* Organ-specific symptoms depending on the area of dissemination

== Diagnosis ==
=== Methods of Diagnosis ===
* '''Chest X-ray''': Shows a characteristic 'millet seed' pattern in the lungs
* '''Sputum Test''': To identify Mycobacterium tuberculosis
* '''CT Scan or MRI''': For more detailed imaging of affected organs
* '''Tuberculin Skin Test''' and '''IGRA (Interferon Gamma Release Assays)''': To detect TB infection

== Treatment ==
Treatment involves a combination of [[antituberculosis drugs]] for an extended period, often lasting 6-12 months. The regimen typically includes:
* Isoniazid
* Rifampicin
* Pyrazinamide
* Ethambutol

== Prevention ==
Preventive strategies include:
* Vaccination with the [[BCG vaccine]] in TB-endemic areas
* Early detection and treatment of latent TB infection
* Public health measures to reduce the transmission of TB

== Complications and Prognosis ==
Untreated miliary TB can lead to serious complications, including:
* Disseminated organ failure
* Meningitis
* Death

The prognosis improves significantly with timely and adequate treatment.

== Public Health and Global Impact ==
Miliary TB is a significant public health challenge, particularly in regions with high rates of TB and HIV co-infection.

== References ==
<references>
* [https://www.who.int/tb/en/ World Health Organization - Tuberculosis]
* [https://www.cdc.gov/tb/ Centers for Disease Control and Prevention - Tuberculosis]
</references>

== External Links ==
* [https://www.who.int/ World Health Organization]
* [https://www.cdc.gov/ Centers for Disease Control and Prevention]

== See Also ==
* [[Tuberculosis]]
* [[Pulmonary Tuberculosis]]
* [[Latent Tuberculosis]]
* [[Antituberculosis Drugs]]

[[Category:Tuberculosis]]
[[Category:Infectious Diseases]]
{{stub}}

Miliary tuberculosis - Revision history

Prab: CSV import

Kondreddy Naveen at 21:50, 20 December 2023