Primary cutaneous amyloidosis: Difference between revisions
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{{SI}} | |||
{{Infobox medical condition | |||
| name = Primary cutaneous amyloidosis | |||
| image = [[File:Macular_amyloidosis.jpg|250px]] | |||
| caption = Macular amyloidosis on the skin | |||
| synonyms = PCA | |||
| specialty = [[Dermatology]] | |||
| symptoms = [[Itching]], [[hyperpigmentation]], [[lichenification]] | |||
| onset = Usually in [[adulthood]] | |||
| duration = [[Chronic (medicine)|Chronic]] | |||
| causes = Deposition of [[amyloid]] in the skin | |||
| risks = [[Genetic predisposition]], [[chronic friction]] | |||
| diagnosis = [[Skin biopsy]], [[clinical examination]] | |||
| differential = [[Lichen planus]], [[post-inflammatory hyperpigmentation]] | |||
| treatment = [[Topical corticosteroids]], [[laser therapy]], [[dermabrasion]] | |||
| frequency = More common in [[Southeast Asia]] and [[Latin America]] | |||
}} | |||
'''Primary cutaneous amyloidosis''' is a form of [[amyloidosis]], a group of diseases in which an abnormal protein, known as amyloid, builds up in tissues and organs. In primary cutaneous amyloidosis, the skin is the organ that is primarily affected. | '''Primary cutaneous amyloidosis''' is a form of [[amyloidosis]], a group of diseases in which an abnormal protein, known as amyloid, builds up in tissues and organs. In primary cutaneous amyloidosis, the skin is the organ that is primarily affected. | ||
== Symptoms == | == Symptoms == | ||
The symptoms of primary cutaneous amyloidosis can vary, but often include [[itching]], changes in skin color, and the development of raised skin lesions. These symptoms are typically chronic and can significantly impact a person's quality of life. | The symptoms of primary cutaneous amyloidosis can vary, but often include [[itching]], changes in skin color, and the development of raised skin lesions. These symptoms are typically chronic and can significantly impact a person's quality of life. | ||
== Causes == | == Causes == | ||
The exact cause of primary cutaneous amyloidosis is unknown. However, it is believed to be related to an abnormal response of the skin to injury or inflammation. Some studies have suggested a genetic component, as the condition often runs in families. | The exact cause of primary cutaneous amyloidosis is unknown. However, it is believed to be related to an abnormal response of the skin to injury or inflammation. Some studies have suggested a genetic component, as the condition often runs in families. | ||
== Diagnosis == | == Diagnosis == | ||
Diagnosis of primary cutaneous amyloidosis is typically made through a combination of clinical examination and skin biopsy. The biopsy can reveal the presence of amyloid in the skin. | Diagnosis of primary cutaneous amyloidosis is typically made through a combination of clinical examination and skin biopsy. The biopsy can reveal the presence of amyloid in the skin. | ||
== Treatment == | == Treatment == | ||
Treatment for primary cutaneous amyloidosis is aimed at relieving symptoms and preventing further accumulation of amyloid in the skin. This can include the use of topical creams, oral medications, and in some cases, light therapy. | Treatment for primary cutaneous amyloidosis is aimed at relieving symptoms and preventing further accumulation of amyloid in the skin. This can include the use of topical creams, oral medications, and in some cases, light therapy. | ||
<gallery> | |||
<gallery caption="Primary_cutaneous_amyloidosis"> | |||
File:Histopathology_of_lichen_amyloidosis_with_Congo_red.jpg|Histopathology of lichen amyloidosis with Congo red | |||
File:Lichen_amyloidosis_on_leg_1.jpg|Lichen amyloidosis on leg | |||
File:Lichen_amyloidosis_on_leg_2.jpg|Lichen amyloidosis on leg | |||
</gallery> | |||
== See also == | == See also == | ||
* [[Amyloidosis]] | * [[Amyloidosis]] | ||
* [[Skin biopsy]] | * [[Skin biopsy]] | ||
* [[Light therapy]] | * [[Light therapy]] | ||
== References == | == References == | ||
<references /> | <references /> | ||
[[Category:Skin conditions]] | [[Category:Skin conditions]] | ||
[[Category:Amyloidosis]] | [[Category:Amyloidosis]] | ||
{{stub}} | {{stub}} | ||
Revision as of 12:26, 12 April 2025
Editor-In-Chief: Prab R Tumpati, MD
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| Primary cutaneous amyloidosis | |
|---|---|
| |
| Synonyms | PCA |
| Pronounce | N/A |
| Specialty | Dermatology |
| Symptoms | Itching, hyperpigmentation, lichenification |
| Complications | N/A |
| Onset | Usually in adulthood |
| Duration | Chronic |
| Types | N/A |
| Causes | Deposition of amyloid in the skin |
| Risks | Genetic predisposition, chronic friction |
| Diagnosis | Skin biopsy, clinical examination |
| Differential diagnosis | Lichen planus, post-inflammatory hyperpigmentation |
| Prevention | N/A |
| Treatment | Topical corticosteroids, laser therapy, dermabrasion |
| Medication | N/A |
| Prognosis | N/A |
| Frequency | More common in Southeast Asia and Latin America |
| Deaths | N/A |
Primary cutaneous amyloidosis is a form of amyloidosis, a group of diseases in which an abnormal protein, known as amyloid, builds up in tissues and organs. In primary cutaneous amyloidosis, the skin is the organ that is primarily affected.
Symptoms
The symptoms of primary cutaneous amyloidosis can vary, but often include itching, changes in skin color, and the development of raised skin lesions. These symptoms are typically chronic and can significantly impact a person's quality of life.
Causes
The exact cause of primary cutaneous amyloidosis is unknown. However, it is believed to be related to an abnormal response of the skin to injury or inflammation. Some studies have suggested a genetic component, as the condition often runs in families.
Diagnosis
Diagnosis of primary cutaneous amyloidosis is typically made through a combination of clinical examination and skin biopsy. The biopsy can reveal the presence of amyloid in the skin.
Treatment
Treatment for primary cutaneous amyloidosis is aimed at relieving symptoms and preventing further accumulation of amyloid in the skin. This can include the use of topical creams, oral medications, and in some cases, light therapy.
-
Histopathology of lichen amyloidosis with Congo red -
Lichen amyloidosis on leg -
Lichen amyloidosis on leg
See also
References
<references />
