More than 250 cases of this disorder have been described in the literature, but occurrence of lipoid proteinosis in siblings is very rare.

Lipoid proteinosis is a rare autosomal recessive condition affecting the majority of organ systems, but predominantly involving skin and mucous membranes.

Lipoid proteinosis is presented by varying degrees of skin scars, beaded papules along the eyelid margins, variable signs of hoarseness of voice and respiratory disorders.