An unusual presentation of macular amyloidosis. An Bras Dermatol. 2011;86 (4 suppl 1):s24-s27. Venugopal SB, Muralidhar A. Primary localized cutaneous amyloidosis – a clinicopathological study.

Among patients with PCA, the disease can be categorized as macular amyloidosis (MA) and lichen amyloidosis (LA), with material derived from epidermal keratinocytes, and nodular amyloidosis (NA ...

Both macular amyloidosis (MA) and LA will display apple green birefringence with a Congo red stain and can be difficult to differentiate clinically.