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			{{SI}}
			{{Infobox medical condition
			\| name = Pulmonary alveolar microlithiasis
			\| image = [[File:Autosomal_recessive_-_en.svg\|200px]]
			\| caption = Pulmonary alveolar microlithiasis is inherited in an [[autosomal recessive]] pattern.
			\| synonyms = Alveolar microlithiasis
			\| pronounce =
			\| specialty = [[Pulmonology]]
			\| symptoms = [[Cough]], [[dyspnea]], [[chest pain]]
			\| complications = [[Respiratory failure]], [[cor pulmonale]]
			\| onset = Usually in [[adulthood]]
			\| duration = [[Chronic (medicine)\|Chronic]]
			\| types =
			\| causes = Mutations in the [[SLC34A2]] gene
			\| risks =
			\| diagnosis = [[Chest X-ray]], [[CT scan]], [[lung biopsy]]
			\| differential = [[Sarcoidosis]], [[tuberculosis]], [[pneumoconiosis]]
			\| prevention =
			\| treatment = [[Lung transplantation]], [[supportive care]]
			\| medication =
			\| prognosis = Variable, often poor without treatment
			\| frequency = Rare
			\| deaths =
			}}
			[[File:Histopathology_of_pulmonary_alveolar_microlithiasis.jpg\|Histopathology of pulmonary alveolar microlithiasis\|thumb\|left]]
	'''Pulmonary alveolar microlithiasis''' ('''PAM''') is a rare, autosomal recessive lung disease characterized by the accumulation of small stone-like calcium phosphate microliths in the alveoli. The disease is caused by mutations in the [[SLC34A2]] gene, which encodes a type IIb sodium-phosphate cotransporter that is expressed in the alveolar type II cells.		'''Pulmonary alveolar microlithiasis''' ('''PAM''') is a rare, autosomal recessive lung disease characterized by the accumulation of small stone-like calcium phosphate microliths in the alveoli. The disease is caused by mutations in the [[SLC34A2]] gene, which encodes a type IIb sodium-phosphate cotransporter that is expressed in the alveolar type II cells.

	==Symptoms==		==Symptoms==
	The symptoms of PAM are often non-specific and can include [[dyspnea]] (shortness of breath), [[cough]], and [[chest pain]]. Some patients may also present with [[clubbing]] of the fingers and toes. Despite the extensive calcification of the lungs, many patients remain asymptomatic for a long period of time.		The symptoms of PAM are often non-specific and can include [[dyspnea]] (shortness of breath), [[cough]], and [[chest pain]]. Some patients may also present with [[clubbing]] of the fingers and toes. Despite the extensive calcification of the lungs, many patients remain asymptomatic for a long period of time.

	==Diagnosis==		==Diagnosis==
	The diagnosis of PAM is often made by [[radiography]], which shows a characteristic "sandstorm" appearance due to the widespread microliths in the lungs. [[High-resolution computed tomography]] (HRCT) can also be used to confirm the diagnosis. In some cases, a lung biopsy may be necessary.		The diagnosis of PAM is often made by [[radiography]], which shows a characteristic "sandstorm" appearance due to the widespread microliths in the lungs. [[High-resolution computed tomography]] (HRCT) can also be used to confirm the diagnosis. In some cases, a lung biopsy may be necessary.

	==Treatment==		==Treatment==
	There is currently no cure for PAM, and treatment is mainly supportive. This can include [[oxygen therapy]] for patients with severe respiratory distress, and [[lung transplantation]] in end-stage disease.		There is currently no cure for PAM, and treatment is mainly supportive. This can include [[oxygen therapy]] for patients with severe respiratory distress, and [[lung transplantation]] in end-stage disease.

	==Epidemiology==		==Epidemiology==
	PAM is extremely rare, with fewer than 1,000 cases reported worldwide. The disease affects both males and females equally, and can occur at any age, although it is most commonly diagnosed in young adults.		PAM is extremely rare, with fewer than 1,000 cases reported worldwide. The disease affects both males and females equally, and can occur at any age, although it is most commonly diagnosed in young adults.

	==See also==		==See also==
	* [[List of genetic disorders]]		* [[List of genetic disorders]]
	* [[List of respiratory diseases]]		* [[List of respiratory diseases]]

	==References==		==References==
	<references />		<references />

	[[Category:Rare diseases]]		[[Category:Rare diseases]]
	[[Category:Genetic disorders]]		[[Category:Genetic disorders]]
	[[Category:Respiratory diseases]]		[[Category:Respiratory diseases]]
	{{stub}}		{{stub}}
	~~==Pulmonary_alveolar_microlithiasis==~~
	~~<gallery>~~
	~~File:Autosomal_recessive_-_en.svg\|Autosomal recessive inheritance pattern~~
	~~File:Histopathology_of_pulmonary_alveolar_microlithiasis.jpg\|Histopathology of pulmonary alveolar microlithiasis~~
	~~</gallery>~~

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	[[Category:Respiratory diseases]]		[[Category:Respiratory diseases]]
	{{stub}}		{{stub}}
			==Pulmonary_alveolar_microlithiasis==
			<gallery>
			File:Autosomal_recessive_-_en.svg\|Autosomal recessive inheritance pattern
			File:Histopathology_of_pulmonary_alveolar_microlithiasis.jpg\|Histopathology of pulmonary alveolar microlithiasis
			</gallery>

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2024-02-25T17:42:19Z

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'''Pulmonary alveolar microlithiasis''' ('''PAM''') is a rare, autosomal recessive lung disease characterized by the accumulation of small stone-like calcium phosphate microliths in the alveoli. The disease is caused by mutations in the [[SLC34A2]] gene, which encodes a type IIb sodium-phosphate cotransporter that is expressed in the alveolar type II cells.

==Symptoms==
The symptoms of PAM are often non-specific and can include [[dyspnea]] (shortness of breath), [[cough]], and [[chest pain]]. Some patients may also present with [[clubbing]] of the fingers and toes. Despite the extensive calcification of the lungs, many patients remain asymptomatic for a long period of time.

==Diagnosis==
The diagnosis of PAM is often made by [[radiography]], which shows a characteristic "sandstorm" appearance due to the widespread microliths in the lungs. [[High-resolution computed tomography]] (HRCT) can also be used to confirm the diagnosis. In some cases, a lung biopsy may be necessary.

==Treatment==
There is currently no cure for PAM, and treatment is mainly supportive. This can include [[oxygen therapy]] for patients with severe respiratory distress, and [[lung transplantation]] in end-stage disease.

==Epidemiology==
PAM is extremely rare, with fewer than 1,000 cases reported worldwide. The disease affects both males and females equally, and can occur at any age, although it is most commonly diagnosed in young adults.

==See also==
* [[List of genetic disorders]]
* [[List of respiratory diseases]]

==References==
<references />

[[Category:Rare diseases]]
[[Category:Genetic disorders]]
[[Category:Respiratory diseases]]
{{stub}}

Pulmonary alveolar microlithiasis - Revision history

Prab: CSV import

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