[Juvenile hyaline fibromatosis].

Background: Juvenile hyaline fibromatosis and infantile systemic hyalinosis are two rare autosomal recessive diseases arising from mutation in the capillary morphogenesis factor-2 gene. They are characterized by accumulation of hyaline material, in the skin in the first instance and in other organs in the second. We describe a case of juvenile hyaline fibromatosis.

[Splenic lymphoma with villous lymphocytes revealed by purpura pigmentosa progressiva associated with cryoglobulinemia and chronic hepatitis C infection].

Background: Splenic lymphoma with villous lymphocytes is occasionally associated with chronic hepatitis C infection. Antiviral hepatitis C therapy has been recently reported to be efficacious against splenic lymphoma with villous lymphocytes. We report a new case revealed by cutaneous symptoms.