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Primary cutaneous amyloidosis
Other names	Primary localized cutaneous amyloidosis
Macular amyloidosis, located on the right lumbar region of the back
Specialty	Dermatology

Primary cutaneous amyloidosis is a form of amyloidosis associated with oncostatin M receptor. This type of amyloidosis has been divided into the following types:

• Macular amyloidosis is a cutaneous condition characterized by itchy, brown, rippled macules usually located on the interscapular region of the back. Combined cases of lichen and macular amyloidosis are termed biphasic amyloidosis, and provide support to the theory that these two variants of amyloidosis exist on the same disease spectrum.
• Lichen amyloidosis is a cutaneous condition characterized by the appearance of occasionally itchy lichenoid papules, typically appearing bilaterally on the shins.

• Histopathology of lichen amyloidosis, with subepithelial Congo red-positive deposits
• Lichen amyloidosis on a 56-year-old male's leg
• Lichen amyloidosis on a 56-year-old male's leg

• Nodular amyloidosis is a rare cutaneous condition characterized by nodules that involve the acral areas.

See also

• Amyloidosis
• List of cutaneous conditions

References

1. "Primary cutaneous amyloidosis | Genetic and Rare Diseases Information Center (GARD) – an NCATS Program". rarediseases.info.nih.gov. Retrieved 18 April 2019.
2. "Amyloid".
3. Arita K, South AP, Hans-Filho G, et al. (January 2008). "Oncostatin M receptor-beta mutations underlie familial primary localized cutaneous amyloidosis". Am. J. Hum. Genet. 82 (1): 73–80. doi:10.1016/j.ajhg.2007.09.002. PMC 2253984. PMID 18179886.
4. ^ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 978-0-7216-2921-6.
5. Lichen amyloidosis of the auricular concha Craig, E. (2006) Dermatology Online Journal 12 (5): 1, University of California, Davis Department of Dermatology

External links

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